anthropic
Claude Sonnet 4
retired · frontier · modelled cost · stale pass rate · verified 2026-08-21
List price · USD per million tokens
Input
$3
Output
$15
Cached input
$0.3
Context
missing
Provider pricing page · verified 2026-08-21
Cost per solved task · by task tier
light
$0.12
moderate
$1.96
heavy
$4.40
Source: Aider polyglot benchmark · verified 2026-08-21 · modelled basis: pass rate published, cost from Solvency's loop model at current prices
RETIRED on the first-party API; still available and priced on Bedrock and Google Cloud. Retained for benchmark join coverage only.
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 | $ / task | Basis | Run / read |
|---|---|---|---|---|---|
| Aider polyglot benchmark | claude-sonnet-4 (32k thinking) | 61.3% | not published | historical at run date | 2025-05-24 |
stale peers
Cost per solved task against its peers
Stale rows only, heavy tier, 200 tasks a month. Lower is better. These are Solvency estimates, not observed costs.
stale · pass rate published; cost is Solvency's loop model at verified prices
Source: Aider polyglot benchmark · verified 2026-08-21
Compare
Head to head
Side-by-side pricing and cost per solved task with another current model.