GET

/v1/models/opencode-go/step-5-preview

provider opencode-gostatus activefirst seen Sep 16, 2026last seen 3m ago
rawIdstep-5-preview
displayNameStep 5 Preview
idopencode-go-step-5-preview
activitychat
schemaEndpointIdinference/go/openai/v1/chat/completions
input · output
releasedAt1789516800 — Sep 16, 2026
firstSeenAt1789516800 — Sep 16, 2026
lastSeenAt1794559753 — 3m ago
pricingnot published by this provider’s list endpoint
contextWindow1000000
maxOutput65536
modalities{"input":["text","image","video"],"output":["text"]}
capabilities{"tools":true,"reasoning":true,"structured_outputs":true,"vision":true}
openWeightstrue
requestMap{"thinking":null,"maxTokensField":null,"developerRole":null,"replayReasoningContent":true,"store":null,"strictTools":null,"sessionAffinity":null,"cacheControl":null,"toolStream":null,"reasoningEffort":null}
providerMetadata{"attachment":true,"canonical_model_id":"stepfun/step-5-preview","cost":{"cache_read":0.1,"input":1,"output":2.7},"description":"StepFun's next-generation flagship base model for coding and professional knowledge work, with native text, image, and video input and a 1M-token context window","id":"step-5-preview","interleaved":{"field":"reasoning_content"},"last_updated":"2026-09-20","limit":{"context":1000000,"input":1000000,"output":65536},"modalities":{"input":["text","image","video"],"output":["text"]},"name":"Step 5 Preview","open_weights":true,"provider":{"api":"https://opencode.ai/inference/go/openai/v1"},"reasoning":true,"reasoning_options":[{"type":"effort","values":["low","medium","high"]}],"release_date":"2026-09-16","structured_output":true,"temperature":true,"tool_call":true}
knowledgeCutoff · weightsUrlnot published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/opencode-go →
endpointactivity
inference/go/openai/v1/chat/completions
input · output
chat

endpoints matching this model — the provider has more, see /v1/schemas/opencode-go

Sources

fieldrecorded source
contextWindowhttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.limit.context

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
maxOutputhttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.limit.output

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
modalitieshttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.modalities

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
reasoninghttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.reasoning_options

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
openWeightshttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.open_weights

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
schemaEndpointIdhttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.provider

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
capabilities.toolshttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.tool_call

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
capabilities.reasoninghttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.reasoning

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
capabilities.structured_outputshttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.structured_output

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
capabilities.visionhttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.modalities.input

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
requestMaphttps://models.dev/api.json

listing

opencode-go.models.step-5-preview.interleaved.field

Source trace
fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b
requiredRequestHeadershttps://opencode.ai/docs/console/go/

docs-derived

Where can I use it?

pricinghttps://opencode.ai/v2/docs/console/go

Value unknown (null); not published in the checked source · checked 2026-10-23.

cacheReadhttps://opencode.ai/v2/docs/console/go

Value unknown (null); not published in the checked source · checked 2026-10-23.

activitySource unknown — no source URL recorded.

Use it

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