Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
Rank
#8
Up 104% week over week
Tokens
5.02T
2026-10-11
Requests
43.9M
43,891,174
Tool calls
-
Input / M
$4.00
Output / M
$20
Cache / M
$0.20
Context
1M
1,000,000 tokens