GET

/v1/models/nvidia/nvidia-stepfun-ai-step-5-preview

provider nvidiastatus activefirst seen Oct 15, 2026last seen 6m ago
rawIdstepfun-ai/step-5-preview
displayName—
idnvidia-stepfun-ai-step-5-preview
activitychat
schemaEndpointIdno bound generation route
releasedAtno release date reported by the provider
firstSeenAt1792044244 — Oct 15, 2026
lastSeenAt1794561501 — 6m ago
pricingnot published by this provider’s list endpoint
contextWindow1048576
maxOutput1048576
modalities{"input":["text","image"],"output":["text"]}
capabilities{"tools":true,"reasoning":true,"structured_outputs":false}
requestMap{"thinking":{"on":{"chat_template_kwargs":{"enable_thinking":true}},"off":{"chat_template_kwargs":{"enable_thinking":false}},"levels":null},"maxTokensField":"max_tokens","developerRole":false,"replayReasoningContent":null,"store":null,"strictTools":null,"sessionAffinity":null,"cacheControl":null,"toolStream":null,"reasoningEffort":null}
knowledgeCutoff · openWeights · weightsUrl · providerMetadatanot published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/nvidia →
endpointactivity
stepfun-ai/step-5-preview
input · output
chat

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

Sources

fieldrecorded source
contextWindowhttps://build.nvidia.com/stepfun-ai/step-5-preview

docs-derived

contextWindow

Source trace
6c812713cf2363d8c5598d141961156cc0c0057dfc35c2213e4d728829ad1714
maxOutputhttps://docs.api.nvidia.com/nim/reference/stepfun-ai-step-5-preview-infer.md

docs-derived

max_tokens

Source trace
0c341a8260dcfa03ea2cbd94d9dcd425afcfdc366ed26034198566e0cd7789b8
modalitieshttps://build.nvidia.com/stepfun-ai/step-5-preview

docs-derived

modalities

Source trace
6c812713cf2363d8c5598d141961156cc0c0057dfc35c2213e4d728829ad1714
reasoninghttps://docs.api.nvidia.com/nim/reference/stepfun-ai-step-5-preview-infer.md

docs-derived

chat_template_kwargs.enable_thinking

Source trace
0c341a8260dcfa03ea2cbd94d9dcd425afcfdc366ed26034198566e0cd7789b8
capabilities.toolshttps://build.nvidia.com/stepfun-ai/step-5-preview

docs-derived

capabilities.tools

Source trace
6c812713cf2363d8c5598d141961156cc0c0057dfc35c2213e4d728829ad1714
capabilities.reasoninghttps://docs.api.nvidia.com/nim/reference/stepfun-ai-step-5-preview-infer.md

docs-derived

chat_template_kwargs.enable_thinking

Source trace
0c341a8260dcfa03ea2cbd94d9dcd425afcfdc366ed26034198566e0cd7789b8
capabilities.structured_outputshttps://build.nvidia.com/stepfun-ai/step-5-preview

docs-derived

capabilities.structured_outputs

Source trace
6c812713cf2363d8c5598d141961156cc0c0057dfc35c2213e4d728829ad1714
schemaEndpointIdhttps://docs.api.nvidia.com/nim/reference/stepfun-ai-step-5-preview-infer.md

docs-derived

paths

Source trace
0c341a8260dcfa03ea2cbd94d9dcd425afcfdc366ed26034198566e0cd7789b8
requestMapFields.maxTokensFieldhttps://docs.api.nvidia.com/nim/reference/stepfun-ai-step-5-preview-infer.md

docs-derived

max_tokens

Source trace
0c341a8260dcfa03ea2cbd94d9dcd425afcfdc366ed26034198566e0cd7789b8
requestMapFields.developerRolehttps://docs.api.nvidia.com/nim/reference/stepfun-ai-step-5-preview-infer.md

docs-derived

messages.items.role

Source trace
0c341a8260dcfa03ea2cbd94d9dcd425afcfdc366ed26034198566e0cd7789b8
requestMapFields.thinkinghttps://docs.api.nvidia.com/nim/reference/stepfun-ai-step-5-preview-infer.md

docs-derived

chat_template_kwargs.enable_thinking

Source trace
0c341a8260dcfa03ea2cbd94d9dcd425afcfdc366ed26034198566e0cd7789b8
pricinghttps://docs.api.nvidia.com/nim/docs/product

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

cacheReadhttps://docs.api.nvidia.com/nim/docs/product

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

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

Use it

shell
$ curl https://modelschemas.com/v1/schemas/nvidia/chat/stepfun-ai/step-5-preview # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"nvidia","endpointId":"stepfun-ai/step-5-preview","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"nvidia","model":"stepfun-ai/step-5-preview","usage":{"input_tokens":1200,"output_tokens":400}}'