anthropic
Claude Opus 4.6
legacy · frontier · modeled cost · verified 2026-08-21
List price · USD per million tokens
Input
$5
Output
$25
Cached input
$0.5
Context
1M
Provider pricing page · verified 2026-08-21
Cost per solved task · by task tier
light
$0.24
moderate
$3.85
heavy
$8.67
Source: Scale SEAL leaderboard, SWE-bench Pro · verified 2026-08-21 · modeled basis: pass rate published, cost from Solvency's loop model at current prices
Listed under legacy models on the models overview page; still list-priced.
Benchmark rows
Where the pass rate comes from
Every row that names this model, with its harness and cost basis. Rows are harness + model combinations, not properties of the bare model.
| Benchmark | Entry | Pass | $ / attempt | Basis | Run / read |
|---|---|---|---|---|---|
| Scale SEAL leaderboard - SWE-bench Pro (public) | claude-opus-4-6 (thinking) | 51.9% | not published | modelled by solvency | 2026-08-21 |
modelled peers
Cost per solved task against its peers
Modeled rows only, heavy tier, 200 tasks a month. Lower is better. These are Solvency estimates, not observed costs.
modelled · pass rate published; cost is Solvency's loop model at verified prices
Source: Scale SEAL leaderboard, SWE-bench Pro · verified 2026-08-21
Compare
Head to head
Side-by-side pricing and cost per solved task with another current model.