01.AI, open weights
Yi-1.5-34B
Yi-1.5-34B by 01.AI ranks 289th of 354 ranked models on the Noometry Index as of October 2026, with a score of 30.6. Its strongest category is reasoning, where it ranks 191st.
Last verified
Specifications
- Noometry rank
- #289 of 354
- Index score
- 30.6
- Evidence
- Confirmed 21 results
- Provider
- 01.AI
- Released
- May 13, 2024
- Weights
- Open weights
- Reasoning
- Unknown
- Context window
- —
- Max output
- —
- Input price
- Not listed
- Output price
- Not listed
- Blended price
- Not listed
- Output speed
- Not measured
- Value
- Not ranked
- Knowledge cutoff
- Unknown
Category scores
Each category score combines every public result we have in that category.
- Coding 32.4
- Reasoning 22.5
- Math 27.5
- Knowledge 14.8
- Multilingual 32.3
- Instruction Following 59.2
- Long Context 34.6
- Writing & Preference 37.4
| Category | Score | Rank | Results |
|---|---|---|---|
| Coding | 32.4 | #272 | 3 |
| Reasoning | 22.5 | #191 | 1 |
| Math | 27.5 | #249 | 2 |
| Knowledge | 14.8 | #295 | 2 |
| Multilingual | 32.3 | #256 | 1 |
| Instruction Following | 59.2 | #257 | 1 |
| Long Context | 34.6 | #248 | 1 |
| Writing & Preference | 37.4 | #257 | 3 |
Strengths and weaknesses
Categories where Yi-1.5-34B places highest and lowest among the models ranked in each, with its score against that category's median.
Strongest categories
Weakest categories
| Category | Score | vs median | Rank |
|---|---|---|---|
| Knowledge | 14.8 | −22.5 | #295 of 314, top 94% |
| Multilingual | 32.3 | −15.1 | #256 of 297, top 87% |
| Instruction Following | 59.2 | −12.1 | #257 of 305, top 85% |
Closest competitors
The models ranked just above and below Yi-1.5-34B. When scores are this close, price and speed are often the better way to choose.
| Model | Rank | Score | Blended $/M | Speed | |
|---|---|---|---|---|---|
| Qwen1.5-72B | #285 | 30.8 | — | — | Compare |
| Granite 3.0 2b Instruct | #286 | 30.8 | — | — | Compare |
| Codellama 34b Instruct | #287 | 30.8 | — | — | Compare |
| Llama 3.1-405B | #288 | 30.7 | — | 78 | Compare |
| Codestral | #290 | 30.6 | $0.45 | 271 | Compare |
| Llama-3.3-70B-Instruct | #291 | 30.6 | $0.16 | — | Compare |
| GPT-4 Turbo | #292 | 30.5 | $15 | — | Compare |
| Qwen1.5-32B | #293 | 30.5 | — | — | Compare |
Sponsored placements are available on pages like this one. Advertise on Noometry
Benchmark results
Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.
Coding
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| BigCodeBench Instruct | 33.9% | #48 of 64, top 75% | BigCodeBench | 2024-05-20 | |
| LMArena Coding | 1169 | #251 of 294, top 86% | LMArena | 2026-10-08 | |
| BigCodeBench Complete | 43.8% | #46 of 66, top 70% | BigCodeBench | 2024-05-20 | |
| BigCodeBench Complete | 40% | BigCodeBench | 2024-05-20 |
Reasoning
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| LMArena Hard Prompts | 1160 | #251 of 297, top 85% | LMArena | 2026-10-08 |
Math
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| LMArena Math | 1182 | #240 of 285, top 85% | LMArena | 2026-10-08 | |
| MATH Level 5 | 25.5% | #58 of 79, top 74% | Epoch AI | 2025-01-27 |
Knowledge
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| GPQA Diamond | 32% | #167 of 186, top 90% | Epoch AI | 2025-01-27 | |
| LMArena Expert | 1144 | #240 of 273, top 88% | LMArena | 2026-10-08 |
Multilingual
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| LMArena Non-English | 1121 | #256 of 297, top 87% | LMArena | 2026-10-08 | |
| LMArena Chinese | 1213 | #227 of 285, top 80% | LMArena | 2026-10-08 | |
| LMArena French | 1156 | #206 of 223, top 93% | LMArena | 2026-10-08 | |
| LMArena German | 1111 | #209 of 231, top 91% | LMArena | 2026-10-08 | |
| LMArena Japanese | 1021 | #196 of 211, top 93% | LMArena | 2026-10-08 | |
| LMArena Korean | 1005 | #200 of 213, top 94% | LMArena | 2026-10-08 | |
| LMArena Russian | 1091 | #259 of 283, top 92% | LMArena | 2026-10-08 | |
| LMArena Spanish | 1121 | #210 of 226, top 93% | LMArena | 2026-10-08 |
Instruction Following
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| LMArena Instruction Following | 1139 | #256 of 298, top 86% | LMArena | 2026-10-08 |
Long Context
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| LMArena Longer Query | 1143 | #257 of 291, top 89% | LMArena | 2026-10-08 |
Writing & Preference
| Benchmark | Score | Position | Setting | Source | Date |
|---|---|---|---|---|---|
| LMArena Text | 1173 | #252 of 297, top 85% | LMArena | 2026-10-08 | |
| LMArena Creative Writing | 1135 | #256 of 295, top 87% | LMArena | 2026-10-08 | |
| LMArena Multi-Turn | 1153 | #252 of 295, top 86% | LMArena | 2026-10-08 |
Compare Yi-1.5-34B
- Yi-1.5-34B vs Yi-34B
- Yi-1.5-34B vs Llama 3.1-405B
- Yi-1.5-34B vs Codestral
- Yi-1.5-34B vs Codellama 34b Instruct
- Yi-1.5-34B vs Llama-3.3-70B-Instruct
- Yi-1.5-34B vs Granite 3.0 2b Instruct
- Yi-1.5-34B vs GPT-4 Turbo
- Yi-1.5-34B vs GPT-6 Astra
- Yi-1.5-34B vs Claude Fable 5.1
- Yi-1.5-34B vs Gemini 3.8 Flash
- Yi-1.5-34B vs Kimi K3
- Yi-1.5-34B vs Grok 4.6
- Yi-1.5-34B vs Qwen3.8 Max
- Yi-1.5-34B vs GLM-5.3
Other 01.AI models
- Yi-Lightning37.1
- Yi-34B27.8
- Yi 6B
- Yi-Large
Frequently asked questions
How good is Yi-1.5-34B?
Yi-1.5-34B by 01.AI ranks 289th of 354 ranked models on the Noometry Index as of October 2026, with a score of 30.6. Its strongest category is reasoning, where it ranks 191st.
Is Yi-1.5-34B open source?
Yes. Yi-1.5-34B's weights are downloadable; check the license for commercial terms.
What are Yi-1.5-34B's strengths and weaknesses?
Relative to other ranked models, Yi-1.5-34B places best in reasoning, math, coding and lowest in knowledge, multilingual, instruction following.
What is Yi-1.5-34B best at?
Its best category is reasoning, where it ranks 191st on Noometry.