anthropic
Claude Opus 4.5
legacyfrontierverified 2026-08-21
Pricing
Input $/Mtok
$5
Output $/Mtok
$25
Cached in $/Mtok
$0.5
Context
200k
Provider pricing page · verified 2026-08-21
Listed under legacy models; still list-priced.
Cost per solved task
light
$0.27
moderate
$4.36
heavy
$9.81
Benchmark rows
| Benchmark | Entry | Pass | Basis |
|---|---|---|---|
| Scale SEAL leaderboard - SWE-bench Pro (public) | claude-opus-4-5-20251101 | 45.9% | modelled by solvency |