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Is Cerebras free?

Verified

gpt-oss-120b, Qwen 3.8 27B (trial credits). Check how many tokens your prompt uses before you plan around the limits.

Quick answer

Partly. The free trial allows 5 requests a minute on gpt-oss-120b, but a payment method is required. The catch: No renewing free tier: the trial credit needs a verified payment method and expires.

Limited Checked 29 Oct 2026 against the provider's docs. Compare free LLM API limits across every provider we track.

Requests / min
5
Per day
Not confirmed
Card needed
Yes
Trains on prompts
Not confirmed

What you can build within the free tier

The trial allows 1,000,000 tokens a day at 5 requests a minute on gpt-oss-120b, until the credit runs out or expires. That is enough to benchmark the API against your own prompts, not to run a product.

The catch

No renewing free tier: the trial credit needs a verified payment method and expires.

  • Commercial use: Not confirmed
  • OpenAI-compatible API: Yes
  • Token cap: 1,000,000 tokens a day on gpt-oss-120b

When to pay

Pay as you go after the trial credit.

Outgrowing the free tier?
See what your own usage would cost on paid APIs.
Estimate your paid API cost

Free alternatives

GroqFree30 RPM · 1,000/day
Cloudflare Workers AIFree10,000 Neurons/day · 300 RPM
SambaNova CloudLimited20 RPM · 20/day
OpenRouterFree20 RPM · 50/day

Same kind of service, no free tier: Together AI.

Change history

  • CutOpen free tier replaced by a one-time $5 credit trialSource

Frequently asked

Is Cerebras free?

Partly. The free trial allows 5 requests a minute on gpt-oss-120b, but a payment method is required. The catch: No renewing free tier: the trial credit needs a verified payment method and expires.

Does Cerebras need a credit card?

Yes. Cerebras requires a payment method or a purchase.

Does Cerebras train on free-tier prompts?

Cerebras does not state this clearly in the docs we checked, so we list it as not confirmed. Read the provider's data policy before sending anything sensitive.

FreeAIDevTools
Independent LLM pricing and free-tier tracker

An independent site run by an AI engineer. Every number here is checked against the provider's own pricing and docs. How we verify.

Source: inference-docs.cerebras.ai/support/rate-limits

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