RankingProtocol Understanding · 2

Protocol Understanding · 2

Data updated 8 Oct 2026

Bucket
Supporting evidence
Unit
percent
Direction
Higher is better
Version
2
Display harness
Claude Haiku 5.5 System Card
Board
https://www-cdn.anthropic.com/e1080d6bf5ae2018ea3c2f414064be03232f5be5/Claude%20Haiku%205.5%20System%20Card.pdf

The available records have no admitted matched comparison in the capability core. Raw results remain available below.

Compare published benchmark results with category weights →

Models

Published configurations retain their source and harness labels. Missing results remain unknown.

1–1 of 1 entries

ModelScoreHarnessEvidenceSource-recorded date
Claude Haiku 5.5Anthropic64.1%
Reported settings & source

API, biology safeguards disabled; adaptive thinking max effort; five attempts/problem unless explicitly noted. Scores describe underlying model capability, not deployed safeguards. Benchling real-protocol interpretation/adaptation questions.

Provider-published lab_self_report; retained as launch evidence, not an independent board admission.

Comparison limit: Provider publication; exact benchmark-specific configuration and independent evaluation provenance require separate review before matched-board admission.

Claude Haiku 5.5 System Card · section 8.13.6; pp.136–139 · reviewed 2026-10-07

Claude Haiku 5.5 System Cardlab self-report2026-10-07