GET

/v1/models/openrouter/openrouter-nvidia-nemotron-3-ultra-550b-a55b

provider openrouterstatus activefirst seen Jun 4, 2026last seen 3m ago
rawIdnvidia/nemotron-3-ultra-550b-a55b
displayNameNVIDIA: Nemotron 3 Ultra
idopenrouter-nvidia-nemotron-3-ultra-550b-a55b
activitynot declared by the provider
firstSeenAt1780551208 — Jun 4, 2026
lastSeenAt1785092464 — 3m ago
contextWindow512288
modalities{"input":["text"],"output":["text"]}
pricing{"prompt":"0.0000006","completion":"0.0000036","input_cache_read":"0.0000002"}
capabilities["frequency_penalty","include_reasoning","logit_bias","max_tokens","min_p","presence_penalty","reasoning","reasoning_effort","repetition_penalty","response_format","seed","stop","structured_outputs","temperature","tool_choice","tools","top_k","top_p"]
maxOutputnot published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/openrouter →
endpointactivityschemas
audio/speechaudiorequestinput responseoutput
audio/transcriptionsaudiorequestinput responseoutput
chat/completionschatrequestinput responseoutput
messageschatrequestinput responseoutput
responseschatrequestinput responseoutput
embeddingsembeddingsrequestinput responseoutput
videosvideorequestinput responseoutput
videos/alibaba/happyhorse-1.0videorequestinput responseoutput
videos/alibaba/happyhorse-1.1videorequestinput responseoutput
videos/alibaba/wan-2.6videorequestinput responseoutput
videos/alibaba/wan-2.7videorequestinput responseoutput
videos/bytedance/seedance-1-5-provideorequestinput responseoutput
videos/bytedance/seedance-2.0videorequestinput responseoutput
videos/bytedance/seedance-2.0-fastvideorequestinput responseoutput
videos/google/veo-3.1videorequestinput responseoutput
videos/google/veo-3.1-fastvideorequestinput responseoutput
videos/google/veo-3.1-litevideorequestinput responseoutput
videos/kwaivgi/kling-v3.0-provideorequestinput responseoutput
videos/kwaivgi/kling-v3.0-stdvideorequestinput responseoutput
videos/kwaivgi/kling-video-o1videorequestinput responseoutput
videos/minimax/hailuo-2.3videorequestinput responseoutput
videos/openai/sora-2-provideorequestinput responseoutput
videos/x-ai/grok-imagine-videovideorequestinput responseoutput
videos/x-ai/grok-imagine-video-1.5videorequestinput responseoutput

Use it

shell
$ curl https://modelschemas.com/v1/schemas/openrouter/audio/audio%2Fspeech # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"openrouter","endpointId":"audio/speech","payload":{…}}'