Claude 4 Opus
Closed
Claude 4 Opus is an AI model from Anthropic.
- Publisher
- Anthropic
- Family
- Claude
- Context
- 200K
- Input
- Output
- License
- proprietary
- Released
- 22 May 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 | 31.7 | 0 t/s |
| Non-reasoning | 26.0 | 0 t/s |
Intelligence Index per reasoning-effort setting, via Artificial Analysis · pricing identical across tiers
Reported on 16 evals across 10 domains - best 94.1% on MATH-500 · #31 of 190
Reported eval scores
16MMLU-Pro86
MATH-50094.1
LiveCodeBench54.2
SciCode40.9
GPQA Diamond70.1
IFBench43.3
TaxEval v271.9
MortgageTax58.6