GET

/v1/models/mistral/labs-leanstral-1-5-1

provider mistralstatus activefirst seen Aug 15, 2026last seen 8m ago
rawIdlabs-leanstral-1-5-1
displayName—
idmistral-labs-leanstral-1-5-1
activitychat
schemaEndpointIdv1/chat/completions
input · output
releasedAtno release date reported by the provider
firstSeenAt1786754681 — Aug 15, 2026
lastSeenAt1794564206 — 8m ago
pricingnot published by this provider’s list endpoint
contextWindow262144
maxOutput131072
modalities{"input":["text","image"],"output":["text"]}
capabilities{"tools":true,"reasoning":true,"temperature":true,"top_p":true,"max_tokens":true,"stop":true,"response_format":true,"tool_choice":true,"presence_penalty":true,"frequency_penalty":true,"top_k":true,"reasoning_effort":true,"structured_outputs":true}
requestMap{"thinking":null,"maxTokensField":"max_tokens","developerRole":false,"replayReasoningContent":false,"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/mistral →
endpointactivity
v1/chat/completions
input · output
chat

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

Sources

fieldrecorded source
contextWindowSource unknown — no source URL recorded.

listing

maxOutputhttps://docs.mistral.ai/models/leanstral-1-5

docs-derived

maxOutput

Source trace
6eb743c0c1b915a7a23d1e4178e179325fbac9d2c197457b5ea3bcb5e57ed291
modalitieshttps://docs.mistral.ai/models/leanstral-1-5

docs-derived

modalities

Source trace
6eb743c0c1b915a7a23d1e4178e179325fbac9d2c197457b5ea3bcb5e57ed291
capabilities.toolsSource unknown — no source URL recorded.

listing

capabilities.reasoningSource unknown — no source URL recorded.

listing

capabilities.temperaturehttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/temperature

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.top_phttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/top_p

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.max_tokenshttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/max_tokens

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.stophttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/stop

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.response_formathttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/response_format

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.tool_choicehttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/tool_choice

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.presence_penaltyhttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/presence_penalty

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.frequency_penaltyhttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/frequency_penalty

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.top_khttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/top_k

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.reasoning_efforthttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/reasoning_effort

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
capabilities.structured_outputshttps://docs.mistral.ai/openapi.yaml

upstream-spec

/properties/response_format

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
{
  "endpointId": "v1/chat/completions",
  "fetchedAt": 1793856071
}
serverTools.web_searchhttps://docs.mistral.ai/models/leanstral-1-5

docs-derived

Features.agents-conversations; https://docs.mistral.ai/studio/agents/agent-tools/websearch.md (any model, Conversations API /v1/conversations only)

Source trace
6eb743c0c1b915a7a23d1e4178e179325fbac9d2c197457b5ea3bcb5e57ed291
serverTools.web_search_premiumhttps://docs.mistral.ai/models/leanstral-1-5

docs-derived

Features.agents-conversations; https://docs.mistral.ai/studio/agents/agent-tools/websearch.md (any model, Conversations API /v1/conversations only)

Source trace
6eb743c0c1b915a7a23d1e4178e179325fbac9d2c197457b5ea3bcb5e57ed291
reasoninghttps://docs.mistral.ai/models/leanstral-1-5

Value unknown (null); not published in the checked source · checked 2026-10-09.

requestMaphttps://docs.mistral.ai/openapi.yaml

docs-derived

/components/schemas/ChatCompletionRequest

Source trace
7b344504336785172c86cd826ce4b1cbfd12be228a8432cf046b2b8fdafacf72
pricinghttps://docs.mistral.ai/models/leanstral-1-5

Value unknown (null); not published in the checked source · checked 2026-10-22.

cacheReadhttps://docs.mistral.ai/models/leanstral-1-5

Value unknown (null); not published in the checked source · checked 2026-10-22.

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

Use it

shell
$ curl https://modelschemas.com/v1/schemas/mistral/chat/v1/chat/completions # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"mistral","endpointId":"v1/chat/completions","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"mistral","model":"labs-leanstral-1-5-1","usage":{"input_tokens":1200,"output_tokens":400}}'