GET

/v1/models/opencode-go/hy4-preview

Accept:

provider opencode-gostatus activefirst seen Aug 28, 2026last seen 13m ago

rawId	hy4-preview
displayName	Hy4 preview
id	opencode-go-hy4-preview
activity	chat
schemaEndpointId	inference/go/openai/v1/chat/completions input · output
releasedAt	1787875200 — Aug 28, 2026
firstSeenAt	1787875200 — Aug 28, 2026
lastSeenAt	1794562401 — 13m ago
pricing	not published by this provider’s list endpoint
contextWindow	1024000
maxOutput	64000
modalities	{"input":["text"],"output":["text"]}
capabilities	{"tools":true,"reasoning":true,"vision":false}
openWeights	true
providerMetadata	{"attachment":false,"canonical_model_id":"tencent/hy4-preview","cost":{"cache_read":0.042,"input":0.834,"output":2.501},"description":"A next-generation productivity model with significantly enhanced Agent and complex task execution capabilities.","family":"Hy","id":"hy4-preview","last_updated":"2026-08-28","limit":{"context":1024000,"output":64000},"modalities":{"input":["text"],"output":["text"]},"name":"Hy4 preview","open_weights":true,"provider":{"api":"https://opencode.ai/inference/go/openai/v1"},"reasoning":true,"reasoning_options":[{"type":"effort","values":["none","high"]}],"release_date":"2026-08-28","temperature":true,"tool_call":true}
knowledgeCutoff · weightsUrl · requestMap	not published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/opencode-go →

endpoint	activity
inference/go/openai/v1/chat/completions input · output	chat

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

Sources

field	recorded source
contextWindow	https://models.dev/api.json listing opencode-go.models.hy4-preview.limit.context Source trace `fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b`
maxOutput	https://models.dev/api.json listing opencode-go.models.hy4-preview.limit.output Source trace `fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b`
modalities	https://models.dev/api.json listing opencode-go.models.hy4-preview.modalities Source trace `fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b`
reasoning	https://models.dev/api.json listing opencode-go.models.hy4-preview.reasoning_options Source trace `fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b`
openWeights	https://models.dev/api.json listing opencode-go.models.hy4-preview.open_weights Source trace `fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b`
schemaEndpointId	https://models.dev/api.json listing opencode-go.models.hy4-preview.provider Source trace `fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b`
capabilities.tools	https://models.dev/api.json listing opencode-go.models.hy4-preview.tool_call Source trace `fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b`
capabilities.reasoning	https://models.dev/api.json listing opencode-go.models.hy4-preview.reasoning Source trace `fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b`
capabilities.vision	https://models.dev/api.json listing opencode-go.models.hy4-preview.modalities.input Source trace `fb43d87ae4f5d28f2467baedce982615c7ed30cd492e05ca27c0cc4cbbc6fa0b`
requiredRequestHeaders	https://opencode.ai/docs/console/go/ docs-derived Where can I use it?
requestMap	https://opencode.ai/docs/go Value unknown (null); not published in the checked source · checked 2026-10-09.
requestMapFields.replayReasoningContent	https://opencode.ai/docs/go Value unknown (null); not published in the checked source · checked 2026-10-09.
pricing	https://opencode.ai/docs/go Value unknown (null); not published in the checked source · checked 2026-10-09.
cacheRead	https://opencode.ai/docs/go Value unknown (null); not published in the checked source · checked 2026-10-09.
activity	Source 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":"hy4-preview","usage":{"input_tokens":1200,"output_tokens":400}}'