AI
Overview
About this model
Claude Opus 5.5 succeeds Claude Opus 5 as Anthropic's flagship for demanding reasoning, coding, and long-horizon agentic work, delivering sharper reasoning and extended output at lower cost.
- Context window
- 1000000
- Category
- -
- Last updated
- 2026-10-03
- Providers
- -
Performance
Usage and availability
Last 14 days
Requests over timeDaily volume
Availability over timeDaily success rate
Cache hit rateDaily cache reads
API endpoints
Supported parameters
Availability
Providers
-
| Provider | Route | Pricing | Cache hit | TTFT | Output speed (TPS) | Availability |
|---|
Provider performanceAll active provider routes
API access
Request example
Choose a protocol and copy a ready-to-run request.
POST/v1/responses