PredicateLongBench - Unary Exists: leaderboard
Metric: Accuracy (%; share of the 100 synthetic word lists of about 128K tokens whose answer is exactly the one word sequence satisfying the predicate, any contiguous run of words matching a prefix, suffix or string-match predicate, no distractors; up to 16K output tokens including reasoning, an answer past the cap counts as wrong). Source: arxiv.org. Saturation forecast: Around December 2026. 9 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.4 (Non-reasoning) | 96 |
| 2 | GPT-5.4 (High) | 95 |
| 3 | Gemini 3.1 Pro (Preview) (High) | 93 |
| 4 | Gemini 3.1 Pro (Preview) (Low) | 91 |
| 5 | Claude Opus 4.6 (Thinking) | 87 |
| 6 | GLM-5.1 | 76 |
| 7 | Claude Opus 4.6 | 53 |
| 8 | MiniMax-M2.7 | 50 |
| 9 | Qwen 3.5 397B A17B | 45 |
Interactive version: theaggregate.ai/benchmark?slug=predicatelongbench-unary-exists · How It Works · Data refreshed daily, snapshot 2026-09-29.