GET

/v1/models/cerebras/qwen-3.8-27b

provider cerebrasstatus activefirst seen Aug 31, 2026last seen 12m ago
rawIdqwen-3.8-27b
displayName—
idcerebras-qwen-3-8-27b
activitychat
schemaEndpointIdv1/chat/completions
releasedAtno release date reported by the provider
firstSeenAt1788189393 — Aug 31, 2026
lastSeenAt1794561389 — 12m ago
pricing
contextWindow131072
maxOutput40960
modalities{"input":["text","image"],"output":["text"]}
capabilities{"reasoning":true,"structured_outputs":true,"response_format":true,"tools":true,"frequency_penalty":true,"max_tokens":true,"presence_penalty":true,"reasoning_effort":true,"seed":true,"stop":true,"temperature":true,"tool_choice":true,"top_p":true}
requestMap{"thinking":{"on":{"reasoning_effort":"high"},"off":{"reasoning_effort":"none"},"levels":{"off":"none","minimal":null,"low":"low","medium":"medium","high":"high","xhigh":null,"max":null}},"maxTokensField":"max_completion_tokens","developerRole":false,"replayReasoningContent":null,"store":null,"strictTools":null,"sessionAffinity":null,"cacheControl":null,"toolStream":null,"reasoningEffort":true}
knowledgeCutoff · openWeights · weightsUrl · providerMetadatanot published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/cerebras →
endpointactivity
v1/chat/completionschat

Sources

fieldrecorded source
contextWindowhttps://inference-docs.cerebras.ai/models/qwen-3.8-27b

docs-derived

contextWindow

Source trace
08f84d33ea8084e7b0af5bc93d61b49b3d3d6510f7368aefa60e5683a11a3c65
maxOutputhttps://inference-docs.cerebras.ai/models/qwen-3.8-27b

docs-derived

maxOutput

Source trace
08f84d33ea8084e7b0af5bc93d61b49b3d3d6510f7368aefa60e5683a11a3c65
modalitieshttps://inference-docs.cerebras.ai/models/qwen-3.8-27b

docs-derived

modalities

Source trace
08f84d33ea8084e7b0af5bc93d61b49b3d3d6510f7368aefa60e5683a11a3c65
pricingSource linked above.

docs-derived

Pricing

Source trace
08f84d33ea8084e7b0af5bc93d61b49b3d3d6510f7368aefa60e5683a11a3c65
reasoninghttps://inference-docs.cerebras.ai/capabilities/reasoning.md

docs-derived

reasoning

Source trace
347c1cdf713a2ebe9294a6aa5dcd8c54fef45a9fdde354c911b6804f638cee8b
capabilities.reasoninghttps://inference-docs.cerebras.ai/models/qwen-3.8-27b

docs-derived

capabilities.reasoning

Source trace
08f84d33ea8084e7b0af5bc93d61b49b3d3d6510f7368aefa60e5683a11a3c65
capabilities.structured_outputshttps://inference-docs.cerebras.ai/models/qwen-3.8-27b

docs-derived

capabilities.structured_outputs

Source trace
08f84d33ea8084e7b0af5bc93d61b49b3d3d6510f7368aefa60e5683a11a3c65
capabilities.response_formathttps://inference-docs.cerebras.ai/models/qwen-3.8-27b

docs-derived

capabilities.response_format

Source trace
08f84d33ea8084e7b0af5bc93d61b49b3d3d6510f7368aefa60e5683a11a3c65
capabilities.toolshttps://inference-docs.cerebras.ai/models/qwen-3.8-27b

docs-derived

capabilities.tools

Source trace
08f84d33ea8084e7b0af5bc93d61b49b3d3d6510f7368aefa60e5683a11a3c65
capabilities.frequency_penaltyhttps://inference-docs.cerebras.ai/api-reference/openapi.yaml

upstream-spec

/properties/frequency_penalty

Source trace
d38b5c58855f8006eac09d5248be42962c4316a14e7bebc2e6298976adea2470
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791955889
}
capabilities.max_tokenshttps://inference-docs.cerebras.ai/api-reference/openapi.yaml

upstream-spec

/properties/max_completion_tokens

Source trace
d38b5c58855f8006eac09d5248be42962c4316a14e7bebc2e6298976adea2470
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791955889
}
capabilities.presence_penaltyhttps://inference-docs.cerebras.ai/api-reference/openapi.yaml

upstream-spec

/properties/presence_penalty

Source trace
d38b5c58855f8006eac09d5248be42962c4316a14e7bebc2e6298976adea2470
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791955889
}
capabilities.reasoning_efforthttps://inference-docs.cerebras.ai/api-reference/openapi.yaml

upstream-spec

/properties/reasoning_effort

Source trace
d38b5c58855f8006eac09d5248be42962c4316a14e7bebc2e6298976adea2470
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791955889
}
capabilities.seedhttps://inference-docs.cerebras.ai/api-reference/openapi.yaml

upstream-spec

/properties/seed

Source trace
d38b5c58855f8006eac09d5248be42962c4316a14e7bebc2e6298976adea2470
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791955889
}
capabilities.stophttps://inference-docs.cerebras.ai/api-reference/openapi.yaml

upstream-spec

/properties/stop

Source trace
d38b5c58855f8006eac09d5248be42962c4316a14e7bebc2e6298976adea2470
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791955889
}
capabilities.temperaturehttps://inference-docs.cerebras.ai/api-reference/openapi.yaml

upstream-spec

/properties/temperature

Source trace
d38b5c58855f8006eac09d5248be42962c4316a14e7bebc2e6298976adea2470
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791955889
}
capabilities.tool_choicehttps://inference-docs.cerebras.ai/api-reference/openapi.yaml

upstream-spec

/properties/tool_choice

Source trace
d38b5c58855f8006eac09d5248be42962c4316a14e7bebc2e6298976adea2470
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791955889
}
capabilities.top_phttps://inference-docs.cerebras.ai/api-reference/openapi.yaml

upstream-spec

/properties/top_p

Source trace
d38b5c58855f8006eac09d5248be42962c4316a14e7bebc2e6298976adea2470
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791955889
}
cacheReadhttps://inference-docs.cerebras.ai/capabilities/prompt-caching.md

Value unknown (null); not published in the checked source · checked 2026-10-07.

activitySource unknown — no source URL recorded.
requestMapSource unknown — no source URL recorded.
schemaEndpointIdSource unknown — no source URL recorded.

Use it

shell
$ curl https://modelschemas.com/v1/schemas/cerebras/chat/v1/chat/completions # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"cerebras","endpointId":"v1/chat/completions","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"cerebras","model":"qwen-3.8-27b","usage":{"input_tokens":1200,"output_tokens":400}}'