Model comparison
Claude Haiku 5.5 vs Yi-34B
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 27.8 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. Claude Haiku 5.5 scores higher in 4 categories and Yi-34B in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Haiku 5.5 leads 73.6 to 21.6.
- The biggest single-benchmark swing is GPQA Diamond: 89.6% for Claude Haiku 5.5 and 14.7% for Yi-34B.
- Yi-34B has downloadable open weights; the other is API-only.
Side by side
| Claude Haiku 5.5 | Yi-34B | |
|---|---|---|
| Provider | Anthropic | 01.AI |
| Noometry Index | 49.5 | 27.8 |
| Released | 2026-10-07 | 2023-11-02 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.50 | — |
| Results tracked | 9 | 23 |
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Category by category
Coding Claude Haiku 5.5 leads
Claude Haiku 5.5: 49.2 (#50), Yi-34B: 32.3 (#274)
| Benchmark | Claude Haiku 5.5 | Yi-34B |
|---|---|---|
| LMArena WebDev | 1587 | — |
| LMArena Coding | — | 1112 |
Reasoning Claude Haiku 5.5 leads
Claude Haiku 5.5: 35.2 (#69), Yi-34B: 21.2 (#226)
| Benchmark | Claude Haiku 5.5 | Yi-34B |
|---|---|---|
| NYT Connections (extended) | 65.7% | — |
| LMArena Hard Prompts | — | 1104 |
| Mystery Game Puzzles | 30% | — |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |
Math Claude Haiku 5.5 leads
Claude Haiku 5.5: 73.6 (#18), Yi-34B: 21.6 (#282)
| Benchmark | Claude Haiku 5.5 | Yi-34B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| LMArena Math | — | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |
Knowledge Claude Haiku 5.5 leads
Claude Haiku 5.5: 50.8 (#70), Yi-34B: 7.5 (#309)
| Benchmark | Claude Haiku 5.5 | Yi-34B |
|---|---|---|
| GPQA Diamond | 89.6% | 14.7% |
| SimpleQA Verified | 23.8% | — |
| LMArena Expert | — | 1061 |
| MMLU | — | 76.3% |
Multimodal Not comparable
Claude Haiku 5.5: 43.7 (#21), Yi-34B: —
| Benchmark | Claude Haiku 5.5 | Yi-34B |
|---|---|---|
| Furniture Assembly | 47.5% | — |
Multilingual Not comparable
Claude Haiku 5.5: —, Yi-34B: 29.7 (#264)
| Benchmark | Claude Haiku 5.5 | Yi-34B |
|---|---|---|
| LMArena Non-English | — | 1079 |
| LMArena Chinese | — | 1176 |
| LMArena French | — | 1081 |
| LMArena German | — | 1042 |
| LMArena Japanese | — | 993 |
| LMArena Korean | — | 959 |
| LMArena Russian | — | 1050 |
| LMArena Spanish | — | 1070 |
Instruction Following Not comparable
Claude Haiku 5.5: —, Yi-34B: 56.2 (#274)
| Benchmark | Claude Haiku 5.5 | Yi-34B |
|---|---|---|
| LMArena Instruction Following | — | 1091 |
Long Context Not comparable
Claude Haiku 5.5: —, Yi-34B: 33.2 (#264)
| Benchmark | Claude Haiku 5.5 | Yi-34B |
|---|---|---|
| LMArena Longer Query | — | 1094 |
Writing & Preference Not comparable
Claude Haiku 5.5: —, Yi-34B: 34.1 (#273)
| Benchmark | Claude Haiku 5.5 | Yi-34B |
|---|---|---|
| LMArena Text | — | 1129 |
| LMArena Creative Writing | — | 1108 |
| LMArena Multi-Turn | — | 1113 |
Frequently asked questions
Is Claude Haiku 5.5 better than Yi-34B?
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 27.8 on the Noometry Index.
Is Claude Haiku 5.5 or Yi-34B better for coding?
Claude Haiku 5.5 scores higher on coding benchmarks: 49.2 versus 32.3 in the Noometry coding category.
How many benchmarks do Claude Haiku 5.5 and Yi-34B share?
1 benchmark has published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and Yi-34B has 23.