Photonic PCFBench - Mechanism Reasoning: leaderboard
PCFBench v1 Appendix full results; 26 isolated tasks across six categories; temperature0.1, task-specific64–2048token budgets; native fractions/errors. Paired structure+field and Field-only contexts separate. Closed-loop success uses expert sign/magnitude constraints, not physical resimulation; Human Score mean of six dimensions/two experts on120samples. Source-disputed summary/appendix cells and unbound checkpoint variants withheld.
Metric: Keyword recall. Source: arxiv.org. Saturation forecast: Around August 2027. 32 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | Grok 4 | 0.51 | #189 |
| 2 | Gemini 3 Flash | 0.51 | #103 |
| 3 | O3 | 0.51 | #132 |
| 4 | GPT-5 | 0.5 | #105 |
| 5 | Claude Opus 4.5 (Thinking) | 0.5 | #87 (Claude Opus 4.5) |
| 6 | Claude Opus 4.5 (Non-reasoning) | 0.49 | #87 (Claude Opus 4.5) |
| 7 | Claude Sonnet 4.5 (Thinking) | 0.47 | #148 (Claude Sonnet 4.5) |
| 8 | Grok 4.1 | 0.45 | #239 |
| 9 | Claude Sonnet 4.5 (Non-reasoning) | 0.45 | #148 (Claude Sonnet 4.5) |
| 10 | Qwen 3.5 122B A10B | 0.43 | #184 |
| 11 | O4 Mini | 0.42 | #185 |
| 12 | GPT-4.1 | 0.41 | #258 |
| 13 | Qwen 3 VL 235B A22B Instruct | 0.41 | #280 |
| 14 | GPT-4o Mini | 0.4 | #598 |
| 15 | Qwen 3.5 27B | 0.4 | #192 |
No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.
Interactive version: theaggregate.ai/benchmark?slug=photonic-pcfbench-mechanism-reasoning · How It Works · Data refreshed daily, snapshot 2026-11-05.