SOLVENCY

Head to head

Claude Sonnet 5 vs Claude Haiku 4.5

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

Claude Sonnet 5Claude Haiku 4.5
Input $/Mtok$2$1
Output $/Mtok$10$5
Cached in $/Mtok$0.2$0.1
Pass ratemissingmissing
Cost per solved taskmissingmissing

Heavy task tier. Prices verified 2026-08-21.Methodology ·Claude Sonnet 5 ·Claude Haiku 4.5