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API PRICES

OpenAI · gpt-5.4

Q: Which API is cheapest for OpenAI · gpt-5.4?

aikun.uk, group "GPT-国模映射", 0.5625 CNY credit per million total tokens, observed 2026-10-23. 235 sites have comparable prices.

Q: What is the official price for OpenAI · gpt-5.4?

Input 2.5, output 15 USD per million tokens, checked 2026-10-24. Lowest inference provider: OpenRouter, input 2.5, output 15 USD per million tokens.

Q: How do I use OpenAI · gpt-5.4 in Claude Code or Codex?

Install Grandet Skill, then say "Connect the cheapest OpenAI · gpt-5.4 API to Claude Code for me".

Provider prices, cheapest first

Browse all models

Price comparison

Official (cash): Input 2.5 / output 15 USD/million tokensOpenAI · 10-24
Lowest inference provider (cash): Input 2.5 / output 15 USD/million tokensOpenRouter · Aggregator · 10-24
Lowest relay (credit): 0.5625 CNY credit/million total tokensaikun.uk "GPT-国模映射" · 10-23

Official and inference-provider prices are cash; relay prices are site credit (USD credit or CNY credit), a different unit, compared separately. Relay prices are per million total tokens at 75% input and 25% output.

All official and inference price observations

OpenAI · gpt-5.4 official price: input 2.5, output 15 USD per million tokens (OpenAI, observed 2026-10-24). Cheapest inference provider: OpenRouter, input 2.5, output 15 USD per million tokens. Cheapest relay: aikun.uk, group "GPT-国模映射 (Not yet translated)" 0.5625 CNY_CREDIT per million total tokens (credit price, not cash, observed 2026-10-23). 235 sites have comparable prices; 499 sites list this model.Relay blended price uses 75% input and 25% output. Conditions: Context tier: SHORT_CONTEXT · Standard processing · documentSection: Flagship models · processingMode: standard · promptLength: <272K context length · Context tier: OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE · Additional web_search price 0.01 USD (per unit as declared by OpenRouter)

Price ranges per million tokens

Official cash prices · Lowest 5.625 · median 7.5 · highest 9.375 · 2 quotes USD / per million tokens

Inference provider cash prices · Lowest 5.625 · median 5.625 · highest 5.625 · 1 quotes USD / per million tokens

Relay CNY credit prices · Lowest 0.5625 · median 5.9063 · highest 11.25 · 2 quotes CNY / per million tokens, site credit

Official price

Provider	Tariff	Input	Output	Cache read	Cache write	Unit	Observed	Conditions and source
OpenAI	Standard	2.5	15	0.25	—	USD / 1M tokens	2026-10-24	Context tier: SHORT_CONTEXT · Standard processing · documentSection: Flagship models · processingMode: standard · promptLength: <272K context length Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [], "contextTier": "SHORT_CONTEXT", "processingMode": "standard", "conditionNotes": [ "documentSection: Flagship models", "processingMode: standard", "promptLength: <272K context length" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Standard	5	22.5	0.5	—	USD / 1M tokens	2026-10-24	Context tier: LONG_CONTEXT · Standard processing · documentSection: Flagship models · processingMode: standard · promptLength: >272K input tokens Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [], "contextTier": "LONG_CONTEXT", "processingMode": "standard", "conditionNotes": [ "documentSection: Flagship models", "processingMode: standard", "promptLength: >272K input tokens" ], "effectiveFrom": null, "effectiveUntil": null } Official source

Provider

Tariff

Input

Output

Cache read

Cache write

Unit

Observed

Conditions and source

OpenAI

Standard

2.5

0.25

—

USD / 1M tokens

2026-10-24

Context tier: SHORT_CONTEXT · Standard processing · documentSection: Flagship models · processingMode: standard · promptLength: <272K context length

Full price conditions

{
  "sourceUnit": null,
  "sourceAmounts": null,
  "conditions": [],
  "contextTier": "SHORT_CONTEXT",
  "processingMode": "standard",
  "conditionNotes": [
    "documentSection: Flagship models",
    "processingMode: standard",
    "promptLength: <272K context length"
  ],
  "effectiveFrom": null,
  "effectiveUntil": null
}

Official source

OpenAI

Standard

22.5

0.5

—

USD / 1M tokens

2026-10-24

Context tier: LONG_CONTEXT · Standard processing · documentSection: Flagship models · processingMode: standard · promptLength: >272K input tokens

Full price conditions

{
  "sourceUnit": null,
  "sourceAmounts": null,
  "conditions": [],
  "contextTier": "LONG_CONTEXT",
  "processingMode": "standard",
  "conditionNotes": [
    "documentSection: Flagship models",
    "processingMode: standard",
    "promptLength: >272K input tokens"
  ],
  "effectiveFrom": null,
  "effectiveUntil": null
}

Official source

Official prices are the vendor's cash prices. Inference providers also list cash prices and can be compared directly. Relays list prices in site credit; what you actually pay depends on each site's top-up rate, so they cannot be compared with official prices directly.

Inference providers

Provider	Tariff	Input	Output	Cache read	Cache write	Unit	Observed	Conditions and source	vs official
OpenRouter · Aggregator	Standard	2.5	15	0.25	—	USD / 1M tokens	2026-10-24	Context tier: OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE · Additional web_search price 0.01 USD (per unit as declared by OpenRouter) Full price conditions { "sourceUnit": "USD_PER_TOKEN", "sourceAmounts": { "cacheRead": "0.00000025", "input": "0.0000025", "output": "0.000015" }, "conditions": [], "contextTier": "OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE", "processingMode": null, "conditionNotes": [ "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)" ], "effectiveFrom": null, "effectiveUntil": null } Official source

Provider

Tariff

Input

Output

Cache read

Cache write

Unit

Observed

Conditions and source

vs official

OpenRouter · Aggregator

Standard

2.5

0.25

—

USD / 1M tokens

2026-10-24

Context tier: OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE · Additional web_search price 0.01 USD (per unit as declared by OpenRouter)

Full price conditions

{
  "sourceUnit": "USD_PER_TOKEN",
  "sourceAmounts": {
    "cacheRead": "0.00000025",
    "input": "0.0000025",
    "output": "0.000015"
  },
  "conditions": [],
  "contextTier": "OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE",
  "processingMode": null,
  "conditionNotes": [
    "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)"
  ],
  "effectiveFrom": null,
  "effectiveUntil": null
}

Official source

Other tariffs and prices to review

Official price

Provider	Tariff	Input	Output	Cache read	Cache write	Unit	Observed	Conditions and source
OpenAI	Batch	1.25	7.5	0.13	—	USD / 1M tokens	2026-10-24	Context tier: SHORT_CONTEXT · Batch processing · processingMode: batch · documentSection: Flagship models · promptLength: <272K context length Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: batch" ], "contextTier": "SHORT_CONTEXT", "processingMode": "batch", "conditionNotes": [ "documentSection: Flagship models", "promptLength: <272K context length" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Batch	2.5	11.25	0.25	—	USD / 1M tokens	2026-10-24	Context tier: LONG_CONTEXT · Batch processing · processingMode: batch · documentSection: Flagship models · promptLength: >272K input tokens Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: batch" ], "contextTier": "LONG_CONTEXT", "processingMode": "batch", "conditionNotes": [ "documentSection: Flagship models", "promptLength: >272K input tokens" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Other tariff	1.25	7.5	0.13	—	USD / 1M tokens	2026-10-24	Context tier: SHORT_CONTEXT · Flex processing · processingMode: flex · documentSection: Flagship models · promptLength: <272K context length Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: flex" ], "contextTier": "SHORT_CONTEXT", "processingMode": "flex", "conditionNotes": [ "documentSection: Flagship models", "promptLength: <272K context length" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Other tariff	2.5	11.25	0.25	—	USD / 1M tokens	2026-10-24	Context tier: LONG_CONTEXT · Flex processing · processingMode: flex · documentSection: Flagship models · promptLength: >272K input tokens Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: flex" ], "contextTier": "LONG_CONTEXT", "processingMode": "flex", "conditionNotes": [ "documentSection: Flagship models", "promptLength: >272K input tokens" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Other tariff	5	30	0.5	—	USD / 1M tokens	2026-10-24	Context tier: SHORT_CONTEXT · Fast processing · processingMode: fast · documentSection: Flagship models · promptLength: <272K context length Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: fast" ], "contextTier": "SHORT_CONTEXT", "processingMode": "fast", "conditionNotes": [ "documentSection: Flagship models", "promptLength: <272K context length" ], "effectiveFrom": null, "effectiveUntil": null } Official source

Inference providers

Provider	Tariff	Input	Output	Cache read	Cache write	Unit	Observed	Conditions and source
OpenRouter · Aggregator	Standard	5	22.5	0.5	—	USD / 1M tokens	2026-10-24	Context tier: OPENROUTER_MIN_PROMPT_TOKENS_272000 · OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated) · Additional web_search price 0.01 USD (per unit as declared by OpenRouter) Full price conditions { "sourceUnit": "USD_PER_TOKEN", "sourceAmounts": { "cacheRead": "0.0000005", "input": "0.000005", "output": "0.0000225" }, "conditions": [ "OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated)" ], "contextTier": "OPENROUTER_MIN_PROMPT_TOKENS_272000", "processingMode": null, "conditionNotes": [ "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenRouter · Aggregator	Batch	1.25	7.5	0.125	—	USD / 1M tokens	2026-10-24	Context tier: OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE · OpenRouter batch variant · Additional web_search price 0.01 USD (per unit as declared by OpenRouter) Full price conditions { "sourceUnit": "USD_PER_TOKEN", "sourceAmounts": { "cacheRead": "0.000000125", "input": "0.00000125", "output": "0.0000075" }, "conditions": [ "OpenRouter batch variant" ], "contextTier": "OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE", "processingMode": null, "conditionNotes": [ "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenRouter · Aggregator	Batch	2.5	11.25	0.25	—	USD / 1M tokens	2026-10-24	Context tier: OPENROUTER_MIN_PROMPT_TOKENS_272000 · OpenRouter batch variant · OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated) · Additional web_search price 0.01 USD (per unit as declared by OpenRouter) Full price conditions { "sourceUnit": "USD_PER_TOKEN", "sourceAmounts": { "cacheRead": "0.00000025", "input": "0.0000025", "output": "0.00001125" }, "conditions": [ "OpenRouter batch variant", "OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated)" ], "contextTier": "OPENROUTER_MIN_PROMPT_TOKENS_272000", "processingMode": null, "conditionNotes": [ "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)" ], "effectiveFrom": null, "effectiveUntil": null } Official source

Provider

Tariff

Input

Output

Cache read

Cache write

Unit

Observed

Conditions and source

OpenRouter · Aggregator

Standard

22.5

0.5

—

USD / 1M tokens

2026-10-24

Context tier: OPENROUTER_MIN_PROMPT_TOKENS_272000 · OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated) · Additional web_search price 0.01 USD (per unit as declared by OpenRouter)

Full price conditions

{
  "sourceUnit": "USD_PER_TOKEN",
  "sourceAmounts": {
    "cacheRead": "0.0000005",
    "input": "0.000005",
    "output": "0.0000225"
  },
  "conditions": [
    "OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated)"
  ],
  "contextTier": "OPENROUTER_MIN_PROMPT_TOKENS_272000",
  "processingMode": null,
  "conditionNotes": [
    "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)"
  ],
  "effectiveFrom": null,
  "effectiveUntil": null
}

Official source

OpenRouter · Aggregator

Batch

1.25

7.5

0.125

—

USD / 1M tokens

2026-10-24

Context tier: OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE · OpenRouter batch variant · Additional web_search price 0.01 USD (per unit as declared by OpenRouter)

Full price conditions

{
  "sourceUnit": "USD_PER_TOKEN",
  "sourceAmounts": {
    "cacheRead": "0.000000125",
    "input": "0.00000125",
    "output": "0.0000075"
  },
  "conditions": [
    "OpenRouter batch variant"
  ],
  "contextTier": "OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE",
  "processingMode": null,
  "conditionNotes": [
    "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)"
  ],
  "effectiveFrom": null,
  "effectiveUntil": null
}

Official source

OpenRouter · Aggregator

Batch

2.5

11.25

0.25

—

USD / 1M tokens

2026-10-24

Context tier: OPENROUTER_MIN_PROMPT_TOKENS_272000 · OpenRouter batch variant · OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated) · Additional web_search price 0.01 USD (per unit as declared by OpenRouter)

Full price conditions

{
  "sourceUnit": "USD_PER_TOKEN",
  "sourceAmounts": {
    "cacheRead": "0.00000025",
    "input": "0.0000025",
    "output": "0.00001125"
  },
  "conditions": [
    "OpenRouter batch variant",
    "OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated)"
  ],
  "contextTier": "OPENROUTER_MIN_PROMPT_TOKENS_272000",
  "processingMode": null,
  "conditionNotes": [
    "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)"
  ],
  "effectiveFrom": null,
  "effectiveUntil": null
}

Official source

Older official and inference provider prices

Earlier price observations and their original conditions

Official price

Provider	Tariff	Input	Output	Cache read	Cache write	Unit	Observed	Conditions and source
OpenAI	Batch	1.25	7.5	0.13	—	USD / 1M tokens	2026-10-17	Context tier: SHORT_CONTEXT · Batch processing · processingMode: batch · documentSection: Flagship models · promptLength: Short context (<272K context length) Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: batch" ], "contextTier": "SHORT_CONTEXT", "processingMode": "batch", "conditionNotes": [ "documentSection: Flagship models", "promptLength: Short context (<272K context length)" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Other tariff	1.25	7.5	0.13	—	USD / 1M tokens	2026-10-17	Context tier: SHORT_CONTEXT · Flex processing · processingMode: flex · documentSection: Flagship models · promptLength: Short context (<272K context length) Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: flex" ], "contextTier": "SHORT_CONTEXT", "processingMode": "flex", "conditionNotes": [ "documentSection: Flagship models", "promptLength: Short context (<272K context length)" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Batch	2.5	11.25	0.25	—	USD / 1M tokens	2026-10-17	Context tier: LONG_CONTEXT · Batch processing · processingMode: batch · documentSection: Flagship models · promptLength: Long context Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: batch" ], "contextTier": "LONG_CONTEXT", "processingMode": "batch", "conditionNotes": [ "documentSection: Flagship models", "promptLength: Long context" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Other tariff	2.5	11.25	0.25	—	USD / 1M tokens	2026-10-17	Context tier: LONG_CONTEXT · Flex processing · processingMode: flex · documentSection: Flagship models · promptLength: Long context Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: flex" ], "contextTier": "LONG_CONTEXT", "processingMode": "flex", "conditionNotes": [ "documentSection: Flagship models", "promptLength: Long context" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Standard	2.5	15	0.25	—	USD / 1M tokens	2026-10-17	Context tier: SHORT_CONTEXT · Standard processing · documentSection: Flagship models · processingMode: standard · promptLength: Short context (<272K context length) Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [], "contextTier": "SHORT_CONTEXT", "processingMode": "standard", "conditionNotes": [ "documentSection: Flagship models", "processingMode: standard", "promptLength: Short context (<272K context length)" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Standard	5	22.5	0.5	—	USD / 1M tokens	2026-10-17	Context tier: LONG_CONTEXT · Standard processing · documentSection: Flagship models · processingMode: standard · promptLength: Long context Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [], "contextTier": "LONG_CONTEXT", "processingMode": "standard", "conditionNotes": [ "documentSection: Flagship models", "processingMode: standard", "promptLength: Long context" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenAI	Other tariff	5	30	0.5	—	USD / 1M tokens	2026-10-17	Fast processing · processingMode: fast · documentSection: Flagship models Full price conditions { "sourceUnit": null, "sourceAmounts": null, "conditions": [ "processingMode: fast" ], "contextTier": null, "processingMode": "fast", "conditionNotes": [ "documentSection: Flagship models" ], "effectiveFrom": null, "effectiveUntil": null } Official source

Inference providers

Provider	Tariff	Input	Output	Cache read	Cache write	Unit	Observed	Conditions and source
OpenRouter · Aggregator	Batch	1.25	7.5	0.125	—	USD / 1M tokens	2026-10-17	Context tier: OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE · OpenRouter batch variant · Additional web_search price 0.01 USD (per unit as declared by OpenRouter) Full price conditions { "sourceUnit": "USD_PER_TOKEN", "sourceAmounts": { "cacheRead": "0.000000125", "input": "0.00000125", "output": "0.0000075" }, "conditions": [ "OpenRouter batch variant" ], "contextTier": "OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE", "processingMode": null, "conditionNotes": [ "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenRouter · Aggregator	Batch	2.5	11.25	0.25	—	USD / 1M tokens	2026-10-17	Context tier: OPENROUTER_MIN_PROMPT_TOKENS_272000 · OpenRouter batch variant · OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated) · Additional web_search price 0.01 USD (per unit as declared by OpenRouter) Full price conditions { "sourceUnit": "USD_PER_TOKEN", "sourceAmounts": { "cacheRead": "0.00000025", "input": "0.0000025", "output": "0.00001125" }, "conditions": [ "OpenRouter batch variant", "OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated)" ], "contextTier": "OPENROUTER_MIN_PROMPT_TOKENS_272000", "processingMode": null, "conditionNotes": [ "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenRouter · Aggregator	Standard	2.5	15	0.25	—	USD / 1M tokens	2026-10-17	Context tier: OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE · Additional web_search price 0.01 USD (per unit as declared by OpenRouter) Full price conditions { "sourceUnit": "USD_PER_TOKEN", "sourceAmounts": { "cacheRead": "0.00000025", "input": "0.0000025", "output": "0.000015" }, "conditions": [], "contextTier": "OPENROUTER_DEFAULT_WHEN_NO_OVERRIDE", "processingMode": null, "conditionNotes": [ "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)" ], "effectiveFrom": null, "effectiveUntil": null } Official source
OpenRouter · Aggregator	Standard	5	22.5	0.5	—	USD / 1M tokens	2026-10-17	Context tier: OPENROUTER_MIN_PROMPT_TOKENS_272000 · OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated) · Additional web_search price 0.01 USD (per unit as declared by OpenRouter) Full price conditions { "sourceUnit": "USD_PER_TOKEN", "sourceAmounts": { "cacheRead": "0.0000005", "input": "0.000005", "output": "0.0000225" }, "conditions": [ "OpenRouter override for prompts from 272000 tokens (boundary inclusivity not stated)" ], "contextTier": "OPENROUTER_MIN_PROMPT_TOKENS_272000", "processingMode": null, "conditionNotes": [ "Additional web_search price 0.01 USD (per unit as declared by OpenRouter)" ], "effectiveFrom": null, "effectiveUntil": null } Official source

Unit: CNY credits per 1M tokens. These are site-credit prices; actual cost depends on each site’s top-up rate.

Blended price = input × 75% + output × 25%, without cache.

Price range: lowest 0.5625 · median 5.9063 · highest 11.25 (2 quotes, CNY credits per million total tokens)

sites have comparable prices235499 sites list this model; approximately 1 operators

Lowest input price0.25CNY credits / 1M

Median of each provider’s lowest price0.25CNY credits / 1M

Relays

Prices below are in site credit, not cash.

#	Provider	Plan / conditions	Input ↑CNY credits / 1M	Output CNY credits / 1M	Cache readCNY credits / 1M	BlendedCNY credits / 1M	Details
Recent price
01	aikun.ukAsk or discussCollected: 23 Oct 2026, 23:34 UTC Collected this cycle View 2 plans 1 more site of the same company api.monkey-tools.cn Basis: identical quotes, same status-page name, logo or server address. Counted as one company in the ranking; this is not a legal finding.	GPT-国模映射 (Not yet translated) 国模GLM5.3映射，适合懒蛋用户，直接CodeX使用 (Not yet translated) Operator pending verification	0.25	1.5	0.025	0.5625Median price ÷ this price: 10.5×	Full prices and sources
02	aikun.ukAsk or discussCollected: 23 Oct 2026, 23:34 UTC Collected this cycle View 2 plans 1 more site of the same company api.monkey-tools.cn Basis: identical quotes, same status-page name, logo or server address. Counted as one company in the ranking; this is not a legal finding.	default ❌ 错误！请选择正确的分组，不同模型按照分组绝对隔离 (Not yet translated) Operator pending verification	5	30	0.5	11.25Median price ÷ this price: 0.5×	Full prices and sources

Special groups · 2 rows · not ranked

These plans are marked as test, internal, disabled, gated by top-up or membership, or have a near-zero ratio. They may not be purchasable or stable, so they are listed separately and left out of the ranking and statistics.

near-zero-ratio group: 2 rows

synthapi.asia · Plus line one [machine translation]Group on site: Plus线路一 · gpt-5.4 · Input 0.225 / Output 1.35 CNY credits / 1M
synthapi.asia · Plus line two [machine translation]Group on site: Plus线路二 · gpt-5.4 · Input 0.225 / Output 1.35 CNY credits / 1M

View all 2 rows →

How this ranking works

All per-token prices: 93,968 prices from 854 sites (about 751 companies). 84,786 are ranked, from 838 sites (about 736 companies); 9,182 more are listed separately and not ranked. Prices collected up to 2026-10-24.

This model has 1438 recorded prices; 581 can be compared directly (568 ranked, 13 listed separately). Not comparable yet: tiered by rules (see Tiered prices) 394, price not parsed yet 292, new price under review; showing the previous one 40, display unit not confirmed 37, ratio looks unset 28, scope of the official doc price not confirmed 26, billed per request or another unit 26

2 recent · 0 stale (older than 10 days, or not updated by this refresh) · 0 unverified timestamps. Minimum and median only count recent paid prices; older prices stay in the table. 0 zero-valued pairs are separately unverified, without proof of free eligibility. Timing does not verify payment, upstream identity or quality.

Prices are converted to site credits using each site’s published ratio. What you actually pay depends on its top-up rate. Input, output and cache prices in each row come from the same plan. Several sites run by the same company take one place in the ranking: its cheapest plan, with the other sites listed under it. We judge “same company” by identical prices, status pages or homepage code; this is not a legal finding. To see every site’s prices, choose “All plans” or filter by provider.

“Self-declared unofficial channel” means the plan name itself says “reverse-engineered” or similar. We have not verified their source or quality. Minimum and median only count regular plans.

Full methodology →

Sources not accepted this cycle and reasons

FAQ

Which API is cheapest for OpenAI · gpt-5.4?

aikun.uk, group "GPT-国模映射", 0.5625 CNY credit per million total tokens, observed 2026-10-23. 235 sites have comparable prices.

What is the official price for OpenAI · gpt-5.4?

Input 2.5, output 15 USD per million tokens, checked 2026-10-24. Lowest inference provider: OpenRouter, input 2.5, output 15 USD per million tokens.

How do I use OpenAI · gpt-5.4 in Claude Code or Codex?

Install Grandet Skill, then say "Connect the cheapest OpenAI · gpt-5.4 API to Claude Code for me". Install Skill →