GET
/v1/models/openrouter/openrouter-openai-gpt-oss-20b-free
Accept:
| rawId | openai/gpt-oss-20b:free |
| displayName | OpenAI: gpt-oss-20b (free) |
| id | openrouter-openai-gpt-oss-20b-free |
| activity | not declared by the provider |
| schemaEndpointId | no bound generation route |
| releasedAt | no release date reported by the provider |
| firstSeenAt | 1754414229 — Aug 5, 2025 |
| lastSeenAt | 1787356844 — 84d ago |
| pricing | not published by this provider’s list endpoint |
| contextWindow | 131072 |
| maxOutput | 32768 |
| modalities | {"input":["text"],"output":["text"]} |
| capabilities | {"frequency_penalty":true,"include_reasoning":true,"logprobs":true,"max_tokens":true,"presence_penalty":true,"reasoning":true,"reasoning_effort":true,"repetition_penalty":true,"response_format":true,"seed":true,"stop":true,"structured_outputs":true,"temperature":true,"tool_choice":true,"tools":true,"top_k":true,"top_logprobs":true,"top_p":true} |
| knowledgeCutoff · openWeights · weightsUrl · requestMap · providerMetadata | not published by this provider’s list endpoint |
Endpoints & schemas
GET /v1/schemas/openrouter →Sources
| field | recorded source |
|---|---|
| activity | Source unknown — no source URL recorded. |
| contextWindow | Source unknown — no source URL recorded. |
| maxOutput | Source unknown — no source URL recorded. |
| modalities | Source unknown — no source URL recorded. |
| pricing | Source unknown — no source URL recorded. |
| capabilities | Source unknown — no source URL recorded. |
| reasoning | Source unknown — no source URL recorded. |
| requestMap | Source unknown — no source URL recorded. |
| schemaEndpointId | Source unknown — no source URL recorded. |
Use it
shell
$ curl https://modelschemas.com/v1/schemas/openrouter/audio/audio/speech # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"openrouter","endpointId":"audio/speech","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"openrouter","model":"openai/gpt-oss-20b:free","usage":{"input_tokens":1200,"output_tokens":400}}'