FrontierChallenge (Codex): leaderboard
Apodex FrontierChallenge: agents complete specified scientific workflows across 97 tasks (materials, life science, chemistry and more) and deliver checkable artifact bundles; pass rate is the share of tasks with a native score of at least 99.9. Live leaderboard, models in the Codex scaffold; percent, higher is better.
Metric: Pass Rate (%). Source: apodexai.github.io. Saturation forecast: Around 2029. 2 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-5.6 Sol | 20.6 | #22 |
| 2 | GPT-5.6 Terra (Max) | 15.5 | #40 (GPT-5.6 Terra) |
No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.
Interactive version: theaggregate.ai/benchmark?slug=frontierchallenge-codex · How It Works · Data refreshed daily, snapshot 2026-11-05.