Model comparison
AI Co-Mathematician vs Claude Haiku 5.5
Claude Haiku 5.5 has enough public results to be ranked (#52); AI Co-Mathematician does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
GoogleSummary
- They share 1 benchmark with published results for both. AI Co-Mathematician scores higher in 0 categories and Claude Haiku 5.5 in 1 category; one gap is clear of the uncertainty.
- The biggest single-benchmark swing is FrontierMath Tier 4: 75.6% for AI Co-Mathematician and 46.3% for Claude Haiku 5.5.
Side by side
| AI Co-Mathematician | Claude Haiku 5.5 | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 58.1 | 49.5 |
| Released | 2026-05-08 | 2026-10-07 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.50 |
| Results tracked | 2 | 9 |
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Category by category
Coding Not comparable
AI Co-Mathematician: —, Claude Haiku 5.5: 49.2 (#50)
| Benchmark | AI Co-Mathematician | Claude Haiku 5.5 |
|---|---|---|
| LMArena WebDev | — | 1587 |
Reasoning Not comparable
AI Co-Mathematician: —, Claude Haiku 5.5: 35.2 (#69)
| Benchmark | AI Co-Mathematician | Claude Haiku 5.5 |
|---|---|---|
| NYT Connections (extended) | — | 65.7% |
| Mystery Game Puzzles | — | 30% |
Math Claude Haiku 5.5 leads
AI Co-Mathematician: 72.3, Claude Haiku 5.5: 73.6 (#18)
| Benchmark | AI Co-Mathematician | Claude Haiku 5.5 |
|---|---|---|
| FrontierMath Tier 4 | 75.6% | 46.3% |
| FrontierMath (Tiers 1-3) | — | 75.1% |
| OTIS Mock AIME 2024-2025 | — | 98.9% |
| FrontierMath Tier 4 (v1) | 47.9% | — |
Knowledge Not comparable
AI Co-Mathematician: —, Claude Haiku 5.5: 50.8 (#70)
| Benchmark | AI Co-Mathematician | Claude Haiku 5.5 |
|---|---|---|
| GPQA Diamond | — | 89.6% |
| SimpleQA Verified | — | 23.8% |
Multimodal Not comparable
AI Co-Mathematician: —, Claude Haiku 5.5: 43.7 (#21)
| Benchmark | AI Co-Mathematician | Claude Haiku 5.5 |
|---|---|---|
| Furniture Assembly | — | 47.5% |
Frequently asked questions
Is AI Co-Mathematician better than Claude Haiku 5.5?
Claude Haiku 5.5 has enough public results to be ranked (#52); AI Co-Mathematician does not yet, so treat this comparison as directional.
How many benchmarks do AI Co-Mathematician and Claude Haiku 5.5 share?
1 benchmark has published results for both models. AI Co-Mathematician has 2 scored results on Noometry and Claude Haiku 5.5 has 9.