Claude 4.1 Opus
Closed
Claude 4.1 Opus is an AI model from Anthropic.
- Publisher
- Anthropic
- Family
- Claude
- Context
- 200K
- Input
- Output
- License
- proprietary
- Released
- 5 Aug 2025
Cite
Notes
Only stored in your browser.
Context
200K
Input
$15
/1M tok
Output
$75
/1M tok
Blended
$30
#456/ 461/1M · 3:1
Speed
0
#115/ 461tok/s
Price & speed via Artificial Analysis · ranked across tracked models
| Reasoning effort | Index | Speed |
|---|---|---|
| Reasoning | 34.5 | 0 t/s |
| Non-reasoning | 28.8 | 0 t/s |
Intelligence Index per reasoning-effort setting, via Artificial Analysis · pricing identical across tiers
Reported on 26 evals across 12 domains - best 88.0% on MMLU-Pro · #7 of 340
Reported eval scores
26Capa25
MMLU-Pro88
LiveBench64.1
IFBench55.4
LiveBench - Math73.2
SciCode40.9
GPQA Diamond80.9
LiveCodeBench65.4