GET

/v1/models/fireworks/fireworks-accounts-fireworks-models-gpt-oss-120b

provider fireworksstatus activefirst seen Aug 4, 2025last seen 7m ago
rawIdaccounts/fireworks/models/gpt-oss-120b
displayName—
idfireworks-accounts-fireworks-models-gpt-oss-120b
activitychat
schemaEndpointIdv1/chat/completions
input · output
releasedAt1754345600 — Aug 4, 2025
firstSeenAt1754345600 — Aug 4, 2025
lastSeenAt1794564127 — 7m ago
pricing
$0.15 / 1M input · $0.6 / 1M output → open calculator
input_tokens (usage) · output_tokens (usage) · cache_read_tokens (usage)
contextWindow131072
modalities{"input":["text"],"output":["text"]}
capabilities{"tools":true,"reasoning":true,"tool_choice":true,"response_format":true,"temperature":true,"top_k":true,"stop":true,"max_tokens":true,"top_p":true,"frequency_penalty":true,"presence_penalty":true,"seed":true,"structured_outputs":true}
requestMap{"thinking":{"on":{"reasoning_effort":"high"},"off":null,"levels":{"off":null,"minimal":null,"low":"low","medium":"medium","high":"high","xhigh":null,"max":null}},"maxTokensField":"max_tokens","developerRole":false,"replayReasoningContent":true,"store":null,"strictTools":null,"sessionAffinity":true,"cacheControl":null,"toolStream":null,"reasoningEffort":true}
maxOutput · knowledgeCutoff · openWeights · weightsUrl · providerMetadatanot published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/fireworks →
endpointactivity
v1/chat/completions
input · output
chat

endpoints matching this model — the provider has more, see /v1/schemas/fireworks

Sources

fieldrecorded source
contextWindowhttps://api.fireworks.ai/inference/v1/models

listing

context_length

modalitiesSource unknown — no source URL recorded.

listing

pricingSource linked above.

docs-derived

Pricing

Source trace
51f7f677cc9913ee569fb563c517530a65380534ec6a558d7cb92ef2a2166179
reasoninghttps://docs.fireworks.ai/text-completion.openapi.yaml

docs-derived

components/schemas/ChatCompletionRequest/properties/reasoning_effort/description

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
capabilities.toolsSource unknown — no source URL recorded.

listing

capabilities.reasoninghttps://docs.fireworks.ai/text-completion.openapi.yaml

docs-derived

components/schemas/ChatCompletionRequest/properties/reasoning_effort/description

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
capabilities.tool_choicehttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/tool_choice

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.response_formathttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/response_format

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.temperaturehttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/temperature

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.top_khttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/top_k

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.stophttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/stop

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.max_tokenshttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/max_tokens

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.top_phttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/top_p

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.frequency_penaltyhttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/frequency_penalty

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.presence_penaltyhttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/presence_penalty

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.seedhttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/seed

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
capabilities.structured_outputshttps://docs.fireworks.ai/text-completion.openapi.yaml

upstream-spec

/properties/response_format

Source trace
57f6232bb90ea9e9c47731c95d2e9c8c8c1885e363e8e24a6b466b23ea3f7fc1
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1791264700
}
maxOutputhttps://docs.fireworks.ai/faq/models/inference/limitations-controls.md

Value unknown (null); not published in the checked source · checked 2026-10-08.

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/fireworks/chat/v1/chat/completions # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"fireworks","endpointId":"v1/chat/completions","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"fireworks","model":"accounts/fireworks/models/gpt-oss-120b","usage":{"input_tokens":1200,"output_tokens":400}}'