GET
/v1/models/anthropic/claude-fable-5-2
Accept:
| rawId | claude-fable-5-2 |
| displayName | Claude Fable 5.2 |
| id | anthropic-claude-fable-5-2 |
| activity | chat |
| schemaEndpointId | v1/messages |
| releasedAt | 1794249000 — Nov 9, 2026 |
| firstSeenAt | 1794249000 — Nov 9, 2026 |
| lastSeenAt | 1794561319 — 13m ago |
| pricing | $8 / 1M input · $40 / 1M output → open calculator input_tokens (usage) · cache_write_tokens (usage) · cache_write_1h_tokens (usage) · cache_read_tokens (usage) · output_tokens (usage) |
| contextWindow | 1000000 |
| maxOutput | 128000 |
| modalities | {"input":["text","image","file"],"output":["text"]} |
| capabilities | {"reasoning":true,"reasoning_effort":true,"structured_outputs":true,"response_format":true,"max_tokens":true,"tool_choice":true,"tools":true} |
| knowledgeCutoff · openWeights · weightsUrl · requestMap · providerMetadata | not published by this provider’s list endpoint |
Endpoints & schemas
GET /v1/schemas/anthropic →| endpoint | activity |
|---|---|
| v1/messages | chat |
| v1/messages/count_tokens | chat |
| v1/messages/count_tokens?beta=true | chat |
endpoints matching this model — the provider has more, see /v1/schemas/anthropic
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. docs-derived Pricing Source trace4fe2b894c1ec51f87e10428bb630886489c6a668fb674bc607a2c36a6834aabb |
| reasoning | https://platform.claude.com/docs/en/build-with-claude/thinking-troubleshooting.md docs-derived claude fable 5.2 Source traceb0ea37f096891bfffaaa23977548a77aa88b0a0fd4fc5e576180376b0c64ec54 |
| capabilities.reasoning | Source unknown — no source URL recorded. listing |
| capabilities.reasoning_effort | Source unknown — no source URL recorded. listing |
| capabilities.structured_outputs | Source unknown — no source URL recorded. listing |
| capabilities.response_format | Source unknown — no source URL recorded. listing |
| capabilities.max_tokens | https://raw.githubusercontent.com/anthropics/anthropic-sdk-typescript/main/scripts/mock-spec.json.gz upstream-spec /properties/max_tokens Source trace328591af84ad26b92723252fd5f3ba69c7c1d6f18c02e32269bc673118ee698b{
"endpointId": "v1/messages",
"fetchedAt": 1793856024
} |
| capabilities.tool_choice | https://raw.githubusercontent.com/anthropics/anthropic-sdk-typescript/main/scripts/mock-spec.json.gz upstream-spec /properties/tool_choice Source trace328591af84ad26b92723252fd5f3ba69c7c1d6f18c02e32269bc673118ee698b{
"endpointId": "v1/messages",
"fetchedAt": 1793856024
} |
| capabilities.tools | https://raw.githubusercontent.com/anthropics/anthropic-sdk-typescript/main/scripts/mock-spec.json.gz upstream-spec /properties/tools Source trace328591af84ad26b92723252fd5f3ba69c7c1d6f18c02e32269bc673118ee698b{
"endpointId": "v1/messages",
"fetchedAt": 1793856024
} |
| serverTools.web_search_20250305 | https://platform.claude.com/docs/en/agents-and-tools/tool-use/web-search-tool docs-derived serverTools.web_search_20250305 |
| serverTools.web_search_20260209 | https://platform.claude.com/docs/en/agents-and-tools/tool-use/web-search-tool docs-derived serverTools.web_search_20260209 |
| serverTools.web_search_20260318 | https://platform.claude.com/docs/en/agents-and-tools/tool-use/web-search-tool docs-derived serverTools.web_search_20260318 |
| serverTools.web_fetch_20250910 | https://platform.claude.com/docs/en/agents-and-tools/tool-use/web-fetch-tool docs-derived serverTools.web_fetch_20250910 |
| serverTools.mcp_toolset | https://platform.claude.com/docs/en/agents-and-tools/mcp-connector docs-derived serverTools.mcp_toolset |
| serverTools.memory_20250818 | https://platform.claude.com/docs/en/agents-and-tools/tool-use/memory-tool docs-derived serverTools.memory_20250818 |
| serverTools.bash_20250124 | https://platform.claude.com/docs/en/agents-and-tools/tool-use/bash-tool docs-derived serverTools.bash_20250124 |
| serverTools.text_editor_20250728 | https://platform.claude.com/docs/en/agents-and-tools/tool-use/text-editor-tool docs-derived serverTools.text_editor_20250728 |
| 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/anthropic/chat/v1/messages # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"anthropic","endpointId":"v1/messages","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"anthropic","model":"claude-fable-5-2","usage":{"input_tokens":1200,"output_tokens":400}}'