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openai/gpt-oss-120b (on Cerebras)

Prices and limits, each value carrying the date it was observed and the source it came from.

As of 16 September 2026, openai/gpt-oss-120b costs $0.350 per million input tokens and $0.750 per million output tokens on Cerebras. Observed on Cerebras's own published price list on 16 September 2026. This is Cerebras's resale price, not the model vendor's list price.

Input $0.350 per 1M
Output $0.750 per 1M
Context 131 072 tokens

What does openai/gpt-oss-120b cost?

ParameterValueUnit ObservedSourceProof
Input price $0.350 USD per 1M tokens 16 September 2026
checked 18 September 2026
official API L1 065d35e7df9d
Output price $0.750 USD per 1M tokens 16 September 2026
checked 18 September 2026
official API L1 065d35e7df9d
Context window 131 072 tokens 16 September 2026
checked 18 September 2026
official API L1 065d35e7df9d
Maximum output 40 960 tokens 16 September 2026
checked 18 September 2026
official API L1 065d35e7df9d
Capabilities
  • function_calling
  • json_mode
  • reasoning
  • response_format
  • streaming
  • structured_outputs
  • tool_choice
  • tools
list 16 September 2026
checked 18 September 2026
official API L1 065d35e7df9d
Supported parameters
  • frequency_penalty
  • logit_bias
  • max_completion_tokens
  • presence_penalty
  • seed
  • stop
  • temperature
  • top_p
list 16 September 2026
checked 18 September 2026
official API L1 065d35e7df9d

How fast is openai/gpt-oss-120b here?

Speed is the thing price tables leave out, and it is the thing developers complain about. These figures are measured by the Hugging Face router, not by us, on the traffic it sends to this host. They are not what you would measure calling the host yourself: neither the network path nor the load is the same.

MeasureMedian of our readings ReadingsRange seen
Time to first token 189 ms 17 127 to 544, 2 September 2026 to 18 September 2026
Output throughput 1 076.7 17 516 to 1 311, 2 September 2026 to 18 September 2026

One reading a day, and we keep every one. A single measurement of latency covers a handful of calls and moves a great deal, so we never publish the latest figure on its own: the median above is computed from our own dated readings, and the range shows how far they spread. The computation is ours; the measurements are not.

How has openai/gpt-oss-120b moved?

Output price, 3 observations between 2 September 2026 and 16 September 2026. Range $0.750 to $0.750. Drawn as a step: a value holds until the next observation, we do not interpolate between them.

Has openai/gpt-oss-120b changed price?

No change has been recorded since we started observing this service on 2 September 2026. We record a change only when two successive observations differ, so an empty table here means the values have held.

What does openai/gpt-oss-120b cost elsewhere?

We track this model at 9 sellers. The same model rarely costs the same everywhere, and the difference is not visible from any single seller's catalogue.

Compare openai/gpt-oss-120b across 9 sellers, side by side, or see every model tracked at more than one seller.

Other services from Cerebras

All Cerebras services

Where these figures come from

Source: Cerebras. Every figure on this page was read from Cerebras's own published price list, and every row above links straight back to it. We publish factual values with attribution, we do not reproduce Cerebras's content, and we send readers to them. If you publish this source and want us to stop tracking it, write to contact@bertrande.com and we will act on it without argument.

How is this page verified?

Every figure above comes from Cerebras's own published price list, which we rank as a level 1 source. We re-check it every 6 hours. Each observation stores the exact source URL and a SHA-256 fingerprint of the source content at that moment, which is what lets us prove what the source said on a given day.

The Proof column shows the first twelve characters of the SHA-256 fingerprint of the source content at the moment we read it. Hover it for the full value. It is what lets us demonstrate later what the source said on a given day, after that page has changed or vanished. The full fingerprints are in data.json.

No value on this page was produced, estimated or completed by a language model. Where we do not have a verified figure, the row is absent rather than filled in. Read the full methodology, or report an error.

Take the data, or watch this page

This page is available as data.json (including the full observation history of every parameter) and data.csv, under CC-BY-4.0, free, with attribution. See all downloads.

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