GBA Eval: leaderboard
Long-horizon coding-agent benchmark where models build a Rust and WebAssembly Game Boy Advance emulator and are graded by replay, audio, and procedural tests.
Metric: Overall Emulator Score. Source: gbaeval.com. Status: years away from saturation. 23 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Opus 5 | 0.8 |
| 2 | Claude Fable 5 | 0.74 |
| 3 | Claude Opus 4.8 | 0.71 |
| 4 | Grok 4.5 | 0.65 |
| 5 | Claude Sonnet 5 | 0.65 |
| 6 | GPT-5.5 | 0.53 |
| 7 | GPT-5.6 Sol | 0.53 |
| 8 | Claude Sonnet 4.6 | 0.49 |
| 9 | Kimi K3 | 0.48 |
| 10 | GPT-5.4 | 0.45 |
| 11 | Claude Opus 4.6 | 0.44 |
| 12 | Claude Opus 4.7 | 0.44 |
| 13 | Muse Spark 1.1 | 0.08 |
| 14 | Gemini 3.5 Flash | 0.07 |
| 15 | Grok Build 0.1 | 0.02 |
Interactive version: theaggregate.ai/benchmark?slug=gba-eval · How It Works · Data refreshed daily, snapshot 2026-09-05.