GET

/v1/models/cloudflare-ai-gateway/cloudflare-ai-gateway-anthropic-claude-fable-5-1

provider cloudflare-ai-gatewaystatus activefirst seen Sep 1, 2026last seen 7m ago
rawIdanthropic/claude-fable-5.1
displayNameClaude Fable 5.1
idcloudflare-ai-gateway-anthropic-claude-fable-5-1
activitychat
schemaEndpointIdanthropic/claude-fable-5.1
input · output
releasedAtno release date reported by the provider
firstSeenAt1788220800 — Sep 1, 2026
lastSeenAt1794564095 — 7m ago
pricing
$10 / 1M input · $50 / 1M output → open calculator
input_tokens (usage) · output_tokens (usage) · cache_read_tokens (usage) · cache_write_tokens (usage)
contextWindow1000000
maxOutput128000
capabilities{"reasoning":true}
requestMap{"thinking":null,"maxTokensField":"max_tokens","developerRole":null,"replayReasoningContent":null,"store":null,"strictTools":null,"sessionAffinity":null,"cacheControl":null,"toolStream":null,"reasoningEffort":null}
modalities · knowledgeCutoff · openWeights · weightsUrl · providerMetadatanot published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/cloudflare-ai-gateway →
endpointactivity
anthropic/claude-fable-5.1
input · output
chat

endpoints matching this model — the provider has more, see /v1/schemas/cloudflare-ai-gateway

Sources

fieldrecorded source
contextWindowhttps://raw.githubusercontent.com/cloudflare/cloudflare-docs/production/src/content/catalog-models/anthropic-claude-fable-5.1.json

listing

context_length

Source trace
81c4dbe499123f5bfab03c74ed04daaab0f8843bf0dd9ed6f767beb017b394ad
maxOutputhttps://raw.githubusercontent.com/cloudflare/cloudflare-docs/production/src/content/catalog-models/anthropic-claude-fable-5.1.json

listing

max_output_tokens

Source trace
81c4dbe499123f5bfab03c74ed04daaab0f8843bf0dd9ed6f767beb017b394ad
pricingSource linked above.

listing

pricing

Source trace
81c4dbe499123f5bfab03c74ed04daaab0f8843bf0dd9ed6f767beb017b394ad
capabilities.reasoninghttps://raw.githubusercontent.com/cloudflare/cloudflare-docs/production/src/content/catalog-models/anthropic-claude-fable-5.1.json

listing

tags

Source trace
81c4dbe499123f5bfab03c74ed04daaab0f8843bf0dd9ed6f767beb017b394ad
schemaEndpointIdhttps://raw.githubusercontent.com/cloudflare/cloudflare-docs/production/src/content/catalog-models/anthropic-claude-fable-5.1.json

listing

schema.input

Source trace
81c4dbe499123f5bfab03c74ed04daaab0f8843bf0dd9ed6f767beb017b394ad
reasoninghttps://raw.githubusercontent.com/cloudflare/cloudflare-docs/production/src/content/catalog-models/anthropic-claude-fable-5.1.json

Value unknown (null); not published in the checked source · checked 2026-10-09.

requestMapFields.replayReasoningContenthttps://raw.githubusercontent.com/cloudflare/cloudflare-docs/production/src/content/catalog-models/anthropic-claude-fable-5.1.json

Value unknown (null); not published in the checked source · checked 2026-10-09.

activitySource unknown — no source URL recorded.
modalitiesSource unknown — no source URL recorded.
requestMapSource unknown — no source URL recorded.

Use it

shell
$ curl https://modelschemas.com/v1/schemas/cloudflare-ai-gateway/chat/anthropic/claude-fable-5.1 # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"cloudflare-ai-gateway","endpointId":"anthropic/claude-fable-5.1","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"cloudflare-ai-gateway","model":"anthropic/claude-fable-5.1","usage":{"input_tokens":1200,"output_tokens":400}}'