GET

/v1/models/huggingface/huggingface-stepfun-ai-step-3-5-flash

provider huggingfacestatus activefirst seen Jan 29, 2026last seen 10m ago
rawIdstepfun-ai/Step-3.5-Flash
displayName—
idhuggingface-stepfun-ai-step-3-5-flash
activitychat
schemaEndpointIdv1/chat/completions
releasedAt1769933025 — Feb 1, 2026
firstSeenAt1769644800 — Jan 29, 2026
lastSeenAt1794561440 — 10m ago
pricing
contextWindow262144
modalities{"input":["text"],"output":["text"]}
capabilities{"tools":true,"structured_outputs":false}
requestMap{"thinking":null,"maxTokensField":"max_tokens","developerRole":null,"replayReasoningContent":null,"store":null,"strictTools":null,"sessionAffinity":null,"cacheControl":null,"toolStream":null,"reasoningEffort":null}
maxOutput · knowledgeCutoff · openWeights · weightsUrl · providerMetadatanot published by this provider’s list endpoint
endpointactivity
v1/chat/completionschat

Sources

fieldrecorded source
contextWindowhttps://router.huggingface.co/v1/models

listing

providers[provider=deepinfra].context_length

modalitiesSource unknown — no source URL recorded.

listing

pricingSource linked above.

listing

providers[provider=deepinfra].pricing

capabilities.toolshttps://router.huggingface.co/v1/models

listing

providers[provider=deepinfra].supports_tools

capabilities.structured_outputshttps://router.huggingface.co/v1/models

listing

providers[provider=deepinfra].supports_structured_output

maxOutputhttps://huggingface.co/docs/inference-providers/hub-api

Value unknown (null); not published in the checked source · checked 2026-10-06.

cacheReadhttps://huggingface.co/docs/inference-providers/hub-api

Value unknown (null); not published in the checked source · checked 2026-10-06.

reasoninghttps://huggingface.co/docs/inference-providers/tasks/chat-completion

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

requestMapFields.replayReasoningContenthttps://huggingface.co/docs/inference-providers/tasks/chat-completion

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

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/huggingface/chat/v1/chat/completions # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"huggingface","endpointId":"v1/chat/completions","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"huggingface","model":"stepfun-ai/Step-3.5-Flash","usage":{"input_tokens":1200,"output_tokens":400}}'