API PRICES

OpenAI · gpt-5.3-codex

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OpenAI · gpt-5.3-codex official price: input 1.75, output 14.00 USD per million tokens (OpenAI, observed 2026-10-17). Cheapest inference provider: OpenRouter, input 1.75, output 14 USD per million tokens. 135 sites have comparable prices; 228 sites list this model.

Price ranges per million tokens

Official cash prices · Lowest 4.8125 · median 4.8125 · highest 4.8125 · 1 quotes USD / per million tokens

Inference provider cash prices · Lowest 4.8125 · median 4.8125 · highest 4.8125 · 1 quotes USD / per million tokens

Official price

ProviderInputOutputCache readCache writeUnitObservedConditions and source
OpenAI1.7514.000.175—USD / 1M tokens
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

ProviderInputOutputCache readCache writeUnitObservedConditions and sourcevs official
OpenRouter · Aggregator1.75140.175—USD / 1M tokens
Official source
Input 0% · Output 0%

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

Showing: Special groups。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. Back to the default ranking

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

Price range: lowest — · median — · highest — (0 quotes, USD credits per million total tokens)

sites have comparable prices135228 sites list this model; approximately 1 operators
Lowest input price—USD credits / 1M
Median of each provider’s lowest price—USD credits / 1M

Relays

Prices below are in site credit, not cash.

#ProviderPlan / conditionsInput ↑USD credits / 1MOutput USD credits / 1MCache readUSD credits / 1MBlendedUSD credits / 1MDetails
Special groups · not ranked · Flagged · not ranked · Recent price
—api.pezayo.comAsk or discussCollected:
Collected this cycle
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codex
codex group, calls gpt-5.4 gpt-5.3-codex via the openai response format for use in codex, opencode and other apps (relatively low cost) [machine translation]Original: codex 分组,通过 openai response 格式调用 gpt-5.4 gpt-5.3-codex 用于 codex,opencode 等应用当中(成本相对低廉)

Note: far from other providers’ prices, unrecognized flag GROUP_FLAGGED. This price is not ranked or counted.

Group notes: near-zero-ratio group

Operator pending verification
0.05250.420.005250.144375Full prices and sources
How this ranking works

All per-token prices: 97,455 prices from 871 sites (about 765 companies). 89,631 are ranked, from 861 sites (about 755 companies); 7,824 more are listed separately and not ranked. Prices collected up to 2026-10-17.

This model has 1016 recorded prices; 512 can be compared directly (507 ranked, 5 listed separately). Not comparable yet: price not parsed yet 286, scope of the official doc price not confirmed 99, ratio looks unset 38, tiered by rules (see Tiered prices) 31, display unit not confirmed 14, billed per request or another unit 12, new price under review; showing the previous one 6

1 recent · 0 stale (older than 10 days, or not updated by this refresh) · 0 unverified timestamps. No recent prices to summarize in this group. 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.

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FAQ

Which API is cheapest for OpenAI · gpt-5.3-codex?

No valid quotes within 10 days. Older quotes are listed as reference prices.

What is the official price for OpenAI · gpt-5.3-codex?

Input 1.75, output 14 USD per million tokens, checked 2026-10-17. Lowest inference provider: OpenRouter, input 1.75, output 14 USD per million tokens. Input 0% higher than official.

How do I use OpenAI · gpt-5.3-codex in Claude Code or Codex?

Install Grandet Skill, then say "Connect the cheapest OpenAI · gpt-5.3-codex API to Claude Code for me". Install Skill →