Claude Opus 5
- Publisher
- Anthropic
- Context
- 1M
- Input
- Output
- Released
- 24 Jul 2026
Cite
Notes
Only stored in your browser.
Context
1M
Input
$5
/1M tok
Output
$25
/1M tok
Cache read
$0.50
0.10x input
Cache write
$6.25
1.25x input
Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter
| Reasoning effort | Index | Speed |
|---|---|---|
| max | 50.8 | 0 t/s |
| xhigh | 49.7 | 0 t/s |
| high | 48.1 | 0 t/s |
| medium | 44.8 | 0 t/s |
| low | 39.4 | 0 t/s |
Intelligence Index per reasoning-effort setting, via Artificial Analysis · pricing identical across tiers
Reported on 22 evals across 11 domains - best 99.0% on ProofBench · #4 of 77
Reported eval scores
22CorpFin v273.2
MortgageTax72.1
TaxEval v275.1
MedCode63.6
EQ-Bench 41385
Vals Index63.7
GPQA Diamond93.2
SciCode48