GPT 5.5 Pro Unknown

released 2026-04-23

BenchAtlas Index

as of 2026-07-14

Not enough benchmark coverage for a composite score (needs ≥4 families across ≥3 categories). The per-benchmark evidence below stands on its own — sparse coverage is an evidence gap, not a low score.

Benchmark evidence

1 results

external indices

ECI

160.7 points

independent

Epoch AI Benchmarking Hub