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Cerebras API Pricing, Models & Rate Limits (2026)

Cerebras hosts other labs' open-weight models — gpt-oss-120b and Z.ai's GLM 4.7 — on its wafer-scale inference hardware. Like Groq, the product is speed, not training; Cerebras' wafer-scale engine is the fastest hosting option on this site for the models it serves.

Current models
2
Legacy models
0
Price range /M
$0.45–$2.38
Max context
200K
Median tok/s
2215
Next retirement
—

Models and prices

ModelInput /MOutput /MBlended /M
GPT-OSS 120B (Cerebras)$0.35$0.75$0.45
GLM 4.7 (Cerebras)$2.25$2.75$2.38

Speed

Fastest measured Cerebras model is GPT-OSS 120B (Cerebras) at 2450 tokens/sec (90ms TTFT), median across measured Cerebras models is 2215 tokens/sec. See the full speed benchmark methodology.

Operational facts

Verified 2026-08-08 against source.

OpenAI-compatibleYes
API base URLhttps://api.cerebras.ai/v1
Auth modelBearer API key
Prompt cachingNot documented
Batch discountNot documented
Free tierFree tier with a daily token cap
Rate-limit modelPer-model requests/minute and tokens/minute caps by tier
Data residencyUS
Trains on API dataNot documented
SLA publishedNo
DocsOfficial pricingStatus page

Switching to and from Cerebras

The closest-priced current model to GLM 4.7 (Cerebras) ($2.38/M) outside Cerebras is GLM-5.2 ($2.15/M, -9.5%). Same request shape through All AI Ask — swap the model id, keep the rest of your code.
The closest-priced current model to GPT-OSS 120B (Cerebras) ($0.45/M) outside Cerebras is Codestral ($0.45/M, 0%). Same request shape through All AI Ask — swap the model id, keep the rest of your code.

Calling Cerebras through All AI Ask

curl https://allaiask.com/api/v1/chat \
  -H "Authorization: Bearer $ALLAIASK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "cerebras-gpt-oss-120b", "messages": [{"role": "user", "content": "Hello"}]}'

FAQ

Is Cerebras OpenAI-compatible?

Yes — Cerebras's API base (https://api.cerebras.ai/v1) accepts the OpenAI SDK request/response shape, so existing OpenAI client code works with a base-URL and key swap.

Does Cerebras support prompt caching?

Not documented as of 2026-08-08 — we did not find a published prompt-caching feature for Cerebras. If that changes, this page updates.

Does Cerebras have a free tier?

Yes — Free tier with a daily token cap.

How much does the Cerebras API cost?

Current Cerebras models range from $0.45 to $2.38 per million blended tokens (3:1 input:output). Full per-model pricing is in the table below.

Where is Cerebras API data hosted?

US

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