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SOLVENCY

Head to head

Claude Opus 5 vs Claude Sonnet 5

For tasks, about a month.

No verdict

Cost per solved task needs a published pass rate for both models. At least one has none, so it is reported as missing rather than estimated.

Verified pricing, pass rate and cost per solved task for Claude Opus 5 and Claude Sonnet 5
FigureClaude Opus 5Claude Sonnet 5
Input $/Mtok$5$2
Output $/Mtok$25$10
Cached input $/Mtok$0.5$0.2
Pass rate68%missing
Cost per solved task$12.01measuredmissing
Cost per month$2.4kmissing

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for Claude Opus 5 (measured, $12.01 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$100$1k$10k$100k$1MTASKS / MONTH (log) →200 tasksClaude Opus 5 · MEASURED · $12.01 per solved task$2.4k— Claude Opus 5 · MEASURED

Solid measured · dashed modelled · dotted stale. The gap is the verdict.

Source: Artificial Analysis (artificialanalysis.ai) · verified 2026-08-21 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings