SOLVENCY

Head to head

Claude Opus 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 Opus 5Claude Haiku 4.5
Input $/Mtok$5$1
Output $/Mtok$25$5
Cached in $/Mtok$0.5$0.1
Pass rate68%missing
Cost per solved task$12.01missing

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