GET

/v1/models/nvidia/nvidia-nvidia-llama-3-1-nemotron-ultra-253b-v1

provider nvidiastatus activefirst seen Apr 7, 2025last seen 16m ago
rawIdnvidia/llama-3.1-nemotron-ultra-253b-v1
displayName—
idnvidia-nvidia-llama-3-1-nemotron-ultra-253b-v1
activitychat
schemaEndpointIdno bound generation route
releasedAtno release date reported by the provider
firstSeenAt1743984000 — Apr 7, 2025
lastSeenAt1794563299 — 16m ago
pricingnot published by this provider’s list endpoint
contextWindow131072
maxOutput16384
modalities{"input":["text"],"output":["text"]}
requestMap{"thinking":null,"maxTokensField":"max_tokens","developerRole":null,"replayReasoningContent":null,"store":null,"strictTools":null,"sessionAffinity":null,"cacheControl":null,"toolStream":null,"reasoningEffort":null}
capabilities · knowledgeCutoff · openWeights · weightsUrl · providerMetadatanot published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/nvidia →
endpointactivity
nvidia/llama-3.1-nemotron-ultra-253b-v1
input · output
chat

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

Sources

fieldrecorded source
contextWindowhttps://build.nvidia.com/nvidia/llama-3_1-nemotron-ultra-253b-v1

docs-derived

contextWindow

Source trace
f8f39e120761bc2976a814950dadacb39e5f64b53cec36b9d95311b7b0c5f4b6
maxOutputhttps://docs.api.nvidia.com/nim/reference/nvidia-llama-3_1-nemotron-ultra-253b-v1-infer.md

docs-derived

max_tokens

Source trace
64bbe41caf1f7507f434fe3e6cd1d75d63da9b5c1d4d4eb1ee14d3b9dec7cf6c
modalitieshttps://build.nvidia.com/nvidia/llama-3_1-nemotron-ultra-253b-v1

docs-derived

modalities

Source trace
f8f39e120761bc2976a814950dadacb39e5f64b53cec36b9d95311b7b0c5f4b6
schemaEndpointIdhttps://docs.api.nvidia.com/nim/reference/nvidia-llama-3_1-nemotron-ultra-253b-v1-infer.md

docs-derived

paths

Source trace
64bbe41caf1f7507f434fe3e6cd1d75d63da9b5c1d4d4eb1ee14d3b9dec7cf6c
requestMapFields.maxTokensFieldhttps://docs.api.nvidia.com/nim/reference/nvidia-llama-3_1-nemotron-ultra-253b-v1-infer.md

docs-derived

max_tokens

Source trace
64bbe41caf1f7507f434fe3e6cd1d75d63da9b5c1d4d4eb1ee14d3b9dec7cf6c
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.
capabilitiesSource unknown — no source URL recorded.
reasoningSource unknown — no source URL recorded.
requestMapSource unknown — no source URL recorded.

Use it

shell
$ curl https://modelschemas.com/v1/schemas/nvidia/chat/nvidia/llama-3.1-nemotron-ultra-253b-v1 # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"nvidia","endpointId":"nvidia/llama-3.1-nemotron-ultra-253b-v1","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"nvidia","model":"nvidia/llama-3.1-nemotron-ultra-253b-v1","usage":{"input_tokens":1200,"output_tokens":400}}'