Claude Haiku 5.5 (High) vs Claude Opus 5.5 (Max, Default Fallback)

What the captured data shows

Haiku 5.5 High has lower listed prices and a shorter reported first-token delay than the Opus 5.5 entry. Opus has the higher aggregate intelligence index. The High label describes this Haiku configuration; it should not be silently substituted with another Haiku setting when evaluating the results.

Which model fits your workflow

Choose tasks where you can explain what a correct answer must contain. Record the configuration and inspect whether a cheaper run omits a requirement or needs revision. The current records do not provide individual benchmark scores that would justify a specific coding or mathematics claim.

Decision takeaway

The available evidence favors Haiku on listed cost and reported initial delay, while Opus leads the aggregate index.

These figures come from Franklin’s Artificial Analysis-sourced model records captured on 2026-10-11. Read the individual model entries for the data snapshot: Claude Haiku 5.5 (High) and Claude Opus 5.5 (Max, Default Fallback). Missing measurements remain unavailable; this page does not report a new hands-on test.