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Z.ai · GLM-4.5-Air

Provider prices, cheapest first

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Z.ai · GLM-4.5-Air official price: input 0.8, output 2 CNY per million tokens (智谱, observed 2026-10-16). Cheapest inference provider: OpenRouter, input 0.13, output 0.85 USD per million tokens. Relays have only older quotes; the lowest is api.hopeai.cc, group "default" 0.6 USD_CREDIT per million total tokens (credit price, not cash, observed 2026-10-10). 35 sites have comparable prices; 63 sites list this model.Relay blended price uses 75% input and 25% output.

Official price

ProviderInputOutputCache readCache writeUnitObservedConditions and source
智谱0.820.16—CNY / 1M tokens
Official source
智谱0.860.16—CNY / 1M tokens
Official source
智谱1.280.24—CNY / 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 · Aggregator0.130.850.025—USD / 1M tokens
Official source
SiliconFlow1.006.00——CNY / 1M tokens
Official source

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

Filtering by provider: api.hopeai.cc

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

sites have comparable prices3563 sites list this model; approximately 1 operators
Older lowest input price (reference)0.6USD credits / 1M
Median of each provider’s lowest price0.6USD credits / 1M

Relays

Prices below are in site credit, not cash.

#ProviderPlan / conditionsInput ↑USD credits / 1MOutput USD credits / 1MCache readUSD credits / 1MBlendedUSD credits / 1MDetails
Older price
01api.hopeai.ccAsk or discussCollected:
View 1 plans		default
Name on site: glm-4.5-air
Default group [machine translation]Original: 默认分组
0.60.6—0.6Full prices and sources
Related variants · 1 rows · not ranked

These are special editions of the model (thinking, max, search, batch, long context, free, etc.). They are priced differently from the base model, so they are listed separately and not ranked. Names that only add an effort level such as low, high or nothinking are compared with the base model.

  • z-ai/glm-4.5-air-free (-free · free variant): 1 rows
  • ai.38yun.cn · Official full-range stable channel [machine translation]Group on site: 官方全系稳定渠道 · z-ai/glm-4.5-air-free · Input 0 / Output 0 USD credits / 1M
View all 1 rows →
How this ranking works

All per-token prices: 96,427 prices from 839 sites (about 733 companies). 88,950 are ranked, from 826 sites (about 720 companies); 7,477 more are listed separately and not ranked. Prices collected up to 2026-10-10.

This model has 143 recorded prices; 70 can be compared directly (68 ranked, 2 listed separately). Not comparable yet: new price under review; showing the previous one 32, price not parsed yet 13, scope of the official doc price not confirmed 8, ratio looks unset 8, display unit not confirmed 6, tiered by rules (see Tiered prices) 6

0 recent · 1 stale (older than 7 days, or not updated by this refresh) · 0 unverified timestamps. Only older prices are available, so the statistics are for reference only. 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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