Model comparison
Claude Fable 5.1 vs Yi-Large
Claude Fable 5.1 has enough public results to be ranked (#2); Yi-Large does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in coding, where Claude Fable 5.1 leads 70.5 to 36.1.
Side by side
| Claude Fable 5.1 | Yi-Large | |
|---|---|---|
| Provider | Anthropic | 01.AI |
| Noometry Index | 68.5 | 37.6 |
| Released | 2026-09-01 | 2024-05-13 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $10 | — |
| Output $ / M tokens | $50 | — |
| Results tracked | 50 | 3 |
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Category by category
Coding Claude Fable 5.1 leads
Claude Fable 5.1: 70.5 (#2), Yi-Large: 36.1 (#201)
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| FrontierCode | 50.9% | — |
| CursorBench | 51.8% | — |
| LMArena WebDev | 1753 | — |
| FrontierSWE | 56.3% | — |
| SciCode | 63.1% | — |
| WeirdML | 92.9% | — |
| BigCodeBench Instruct | — | 37.7% |
| LMArena Coding | 1523 | — |
| MirrorCode | 73.3% | — |
| BigCodeBench Complete | — | 47.2% |
| ALE-Bench | 2,143 | — |
Agentic & Tool Use Not comparable
Claude Fable 5.1: 50.8 (#5), Yi-Large: —
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| APEX-Agents | 68.6% | — |
| Remote Labor Index | 17.9% | — |
| GDP.pdf | 29.6% | — |
| Vending-Bench 2 | 5,422 | — |
Reasoning Not comparable
Claude Fable 5.1: 76.7 (#5), Yi-Large: —
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| ARC-AGI-2 | 90% | — |
| NYT Connections (extended) | 90% | — |
| ARC-AGI-1 | 97.5% | — |
| CritPt | 31.1% | — |
| Chess Puzzles | 47% | — |
| EBR-Bench | 57.1% | — |
| LMArena Hard Prompts | 1526 | — |
| Mystery Game Puzzles | 58% | — |
| DTBench | 97.6% | — |
| LMCA | 65.5% | — |
| Epoch Capabilities Index | 165 | — |
Math Not comparable
Claude Fable 5.1: 89.5 (#3), Yi-Large: —
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| FrontierMath (Tiers 1-3) | 90.2% | — |
| FrontierMath Tier 4 | 87.8% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 100% | — |
| LMArena Math | 1519 | — |
| FrontierMath Erdős | 0% | — |
Knowledge Not comparable
Claude Fable 5.1: 69.3 (#5), Yi-Large: —
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| Humanity's Last Exam | 46.5% | — |
| SimpleQA Verified | 70.8% | — |
| LMArena Expert | 1528 | — |
| MMLU | — | 79.3% |
Multimodal Not comparable
Claude Fable 5.1: 54.1 (#4), Yi-Large: —
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| LMArena Vision | 1319 | — |
| Blueprint-Bench 2 | 41.9% | — |
| Furniture Assembly | 70% | — |
| LMArena Document | 1513 | — |
Multilingual Not comparable
Claude Fable 5.1: 59.5 (#2), Yi-Large: —
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| LMArena Non-English | 1509 | — |
| LMArena Chinese | 1589 | — |
| LMArena French | 1532 | — |
| LMArena German | 1495 | — |
| LMArena Japanese | 1565 | — |
| LMArena Russian | 1525 | — |
| LMArena Spanish | 1503 | — |
Instruction Following Not comparable
Claude Fable 5.1: 79.3 (#6), Yi-Large: —
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| LMArena Instruction Following | 1515 | — |
Long Context Not comparable
Claude Fable 5.1: 46.8 (#19), Yi-Large: —
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| LMArena Longer Query | 1524 | — |
Writing & Preference Not comparable
Claude Fable 5.1: 79.3 (#1), Yi-Large: —
| Benchmark | Claude Fable 5.1 | Yi-Large |
|---|---|---|
| LMArena Text | 1511 | — |
| LMArena Creative Writing | 1507 | — |
| EQ-Bench Creative Writing | 2162 | — |
| LMArena Multi-Turn | 1492 | — |
Frequently asked questions
Is Claude Fable 5.1 better than Yi-Large?
Claude Fable 5.1 has enough public results to be ranked (#2); Yi-Large does not yet, so treat this comparison as directional.
Is Claude Fable 5.1 or Yi-Large better for coding?
Claude Fable 5.1 scores higher on coding benchmarks: 70.5 versus 36.1 in the Noometry coding category.
How many benchmarks do Claude Fable 5.1 and Yi-Large share?
0 benchmarks have published results for both models. Claude Fable 5.1 has 50 scored results on Noometry and Yi-Large has 3.