Next.js Agent Evals (Codex) - Success Rate: leaderboard
Metric: Evals passed, pass@4 (%). Source: nextjs.org. 6 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-6 (High) | 90 |
| 2 | GPT-5.3 Codex (xHigh) | 68 |
| 3 | GPT-5.4 (xHigh) | 65 |
| 4 | GPT-5.5 Pro | 65 |
| 5 | GPT-5.2 Codex (xHigh) | 45 |
Interactive version: theaggregate.ai/benchmark?slug=next-js-agent-evals-codex-success-rate · How It Works · Data refreshed daily, snapshot 2026-09-19.