Glimmer Index - Sudoku: leaderboard
Solve Glimmer Index's fixed v1 bank of 42 Sudoku grids across seven difficulty tiers. Score is the native percentage solved, with two answer attempts under sudoku-1. Only native completed-set configurations enter this comparison; source errors/aborts and incomplete configurations are retained separately. The actual scored puzzle grids are public in the result API. Exact provider, literal route, effort and engine version remain distinct.
Metric: Solved puzzles (%). Source: glimmerindex.com. Saturation forecast: Rough model projection: around 2026. 10 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | Claude Opus 5.5 (Glimmer Index Run: claude-opus-5-5-medium;model=anthropic/claude-opus-5-5;provider=claude;route=claude-opus-5-5;effort=medium;precision=unreported) | 100 | |
| 2 | Claude Fable 5.1 (Glimmer Index Run: claude-fable-5-1-medium;model=anthropic/claude-fable-5-1;provider=claude;route=claude-fable-5-1;effort=medium;precision=unreported) | 92.9 | |
| 3 | GPT-6 Sol (Glimmer Index Run: codex-gpt-6-sol-medium;model=openai/gpt-6-sol;provider=codex;route=gpt-6-sol;effort=medium;precision=unreported) | 90.5 | |
| 4 | Claude Sonnet 5.5 (Glimmer Index Run: claude-sonnet-5-5-medium;model=anthropic/claude-sonnet-5-5;provider=claude;route=claude-sonnet-5-5;effort=medium;precision=unreported) | 88.1 | |
| 5 | GPT-6.1 Sol (Glimmer Index Run: codex-gpt-6-1-sol-medium;model=openai/gpt-6.1-sol;provider=codex;route=gpt-6.1-sol;effort=medium;precision=unreported) | 83.3 | |
| 6 | GPT-6 Astra (Glimmer Index Run: codex-gpt-6-astra-medium;model=openai/gpt-6-astra;provider=codex;route=gpt-6-astra;effort=medium;precision=unreported) | 76.2 | |
| 7 | Qwen3.8-Flash-Next (Glimmer Index Run: local-qwen3-8-flash-next-low;model=alibaba/qwen3.8-flash-next;provider=openai-compat;route=qwen3.8-flash-next;effort=low;precision=unreported) | 47.6 | |
| 8 | Claude Haiku 5.5 (Glimmer Index Run: claude-haiku-5-5-medium;model=anthropic/claude-haiku-5-5;provider=claude;route=claude-haiku-5-5;effort=medium;precision=unreported) | 31 | |
| 9 | GPT-6.1 Terra (Glimmer Index Run: codex-gpt-6-1-terra-medium;model=openai/gpt-6.1-terra;provider=codex;route=gpt-6.1-terra;effort=medium;precision=unreported) | 7.1 | |
| 10 | GPT-6 Luna (Glimmer Index Run: codex-gpt-6-luna-medium;model=openai/gpt-6-luna;provider=codex;route=gpt-6-luna;effort=medium;precision=unreported) | 0 |
Interactive version: theaggregate.ai/benchmark?slug=glimmer-index-sudoku · How It Works · Data refreshed daily, snapshot 2026-11-05.