GET
/v1/models/anthropic/claude-sonnet-4-5-20250929
Accept:
| rawId | claude-sonnet-4-5-20250929 |
| displayName | Claude Sonnet 4.5 |
| id | anthropic-claude-sonnet-4-5-20250929 |
| activity | not declared by the provider |
| firstSeenAt | 1759104000 — Sep 29, 2025 |
| lastSeenAt | 1785092460 — 2m ago |
| contextWindow · maxOutput · modalities · pricing · capabilities | not published by this provider’s list endpoint |
Endpoints & schemas
GET /v1/schemas/anthropic →| endpoint | activity | schemas |
|---|---|---|
| v1/complete | chat | requestinput responseoutput |
| v1/messages | chat | requestinput responseoutput |
| v1/messages/count_tokens | chat | requestinput responseoutput |
| v1/messages/count_tokens?beta=true | chat | requestinput responseoutput |
| v1/messages?beta=true | chat | requestinput responseoutput |
Use it
shell
$ curl https://modelschemas.com/v1/schemas/anthropic/chat/v1%2Fcomplete # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"anthropic","endpointId":"v1/complete","payload":{…}}'