EdgeBench (Codex 256k): leaderboard
Metric: Published score @12h (134 tasks). Source: edge-bench.org. Saturation forecast: Around September 2027. 2 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.5 | 48.4 |
| 2 | GPT-5.4 | 39.3 |
Interactive version: theaggregate.ai/benchmark?slug=edgebench-codex-256k · How It Works · Data refreshed daily, snapshot 2026-10-09.