GET

/v1/models/llmgateway/claude-fable-5-1

Accept:

provider llmgatewaystatus activefirst seen Sep 1, 2026last seen 11m ago

rawId	claude-fable-5-1
displayName	Claude Fable 5.1
id	llmgateway-claude-fable-5-1
activity	chat
schemaEndpointId	v1/chat/completions input · output
releasedAt	1788220800 — Sep 1, 2026
firstSeenAt	1788220800 — Sep 1, 2026
lastSeenAt	1794561455 — 11m ago
pricing	$10 / 1M input · $50 / 1M output → open calculator https://api.llmgateway.io/v1/models input_tokens (usage) · output_tokens (usage) · cache_read_tokens (usage) · cache_write_tokens (usage) · cache_write_1h_tokens (usage)
contextWindow	1000000
maxOutput	128000
modalities	{"input":["text","image"],"output":["text"]}
capabilities	{"max_tokens":true,"reasoning":true,"frequency_penalty":false,"presence_penalty":false,"reasoning_effort":false,"response_format":false,"seed":false,"stop":false,"temperature":false,"tool_choice":false,"tools":false,"top_p":false}
requestMap	{"thinking":{"on":{"reasoning_effort":"high"},"off":null,"levels":{"off":null,"minimal":null,"low":"low","medium":"medium","high":"high","xhigh":"xhigh","max":"max"}},"maxTokensField":"max_tokens","developerRole":null,"replayReasoningContent":null,"store":null,"strictTools":null,"sessionAffinity":null,"cacheControl":null,"toolStream":null,"reasoningEffort":null}
knowledgeCutoff · openWeights · weightsUrl · providerMetadata	not published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/llmgateway →

endpoint	activity
v1/chat/completions input · output	chat

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

Sources

field	recorded source
contextWindow	Source unknown — no source URL recorded. listing
maxOutput	Source unknown — no source URL recorded. listing
modalities	Source unknown — no source URL recorded. listing
pricing	Source linked above. listing data[].providers[].pricing Source trace `5413082af29713d906d70e7208399e40889464b7a98d8340b23a4990f167fb2f`
reasoning	Source unknown — no source URL recorded. listing
capabilities.max_tokens	Source unknown — no source URL recorded. listing
capabilities.reasoning	Source unknown — no source URL recorded. listing
capabilities.frequency_penalty	Source unknown — no source URL recorded. listing unlisted
capabilities.presence_penalty	Source unknown — no source URL recorded. listing unlisted
capabilities.reasoning_effort	Source unknown — no source URL recorded. listing unlisted
capabilities.response_format	Source unknown — no source URL recorded. listing unlisted
capabilities.seed	Source unknown — no source URL recorded. listing unlisted
capabilities.stop	Source unknown — no source URL recorded. listing unlisted
capabilities.temperature	Source unknown — no source URL recorded. listing unlisted
capabilities.tool_choice	Source unknown — no source URL recorded. listing unlisted
capabilities.tools	Source unknown — no source URL recorded. listing unlisted
capabilities.top_p	Source unknown — no source URL recorded. listing unlisted
activity	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/llmgateway/chat/v1/chat/completions # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"llmgateway","endpointId":"v1/chat/completions","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"llmgateway","model":"claude-fable-5-1","usage":{"input_tokens":1200,"output_tokens":400}}'