Model comparison
GPT-4.1 vs Yi-34B
GPT-4.1 is the stronger model overall, scoring 35.7 to 27.4 on the Noometry Index.
Last verified . 20 shared benchmarks.
Summary
- They share 20 benchmarks with published results for both. GPT-4.1 scores higher in 7 categories and Yi-34B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-4.1 leads 37.0 to 7.5.
- The biggest single-benchmark swing is MATH Level 5: 83% for GPT-4.1 and 5.1% for Yi-34B.
- Yi-34B has downloadable open weights; the other is API-only.
Side by side
| GPT-4.1 | Yi-34B | |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 35.7 | 27.4 |
| Released | 2025-04-14 | 2023-11-02 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 33K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $8 | — |
| Results tracked | 52 | 23 |
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Category by category
Coding GPT-4.1 leads
GPT-4.1: 34.2 (#228), Yi-34B: 31.8 (#269)
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| LMArena Coding | 1391 | 1112 |
| SWE-bench Verified | 48.5% | — |
| SWE-bench Verified (bash only) | 39.6% | — |
| Aider Polyglot | 52.4% | — |
| WeirdML | 39% | — |
| CadEval | 42% | — |
| ALE-Bench | 558.1 | — |
Agentic & Tool Use Not comparable
GPT-4.1: 34.4 (#40), Yi-34B: —
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 54% | — |
Reasoning Yi-34B leads
GPT-4.1: 11.7 (#334), Yi-34B: 20.3 (#222)
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1384 | 1104 |
| Epoch Capabilities Index | 136.79 | 117.28 |
| ARC-AGI-2 | 0.4% | — |
| SimpleBench | 27% | — |
| Kagi LLM Benchmark | 52.3% | — |
| ARC-AGI-1 | 5.5% | — |
| Chess Puzzles | 6% | — |
| EnigmaEval | 2.2% | — |
| DTBench | 68.3% | — |
| LMCA | 25.6% | — |
| BIG-Bench Hard | — | 71.7% |
| ForecastBench | 61.5 | — |
Math GPT-4.1 leads
GPT-4.1: 21.4 (#269), Yi-34B: 19.8 (#277)
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| LMArena Math | 1369 | 1114 |
| MATH Level 5 | 83% | 5.1% |
| FrontierMath (Tiers 1-3) | 6% | — |
| OTIS Mock AIME 2024-2025 | 38.3% | — |
| Omni-MATH | 47.1% | — |
| FrontierMath (Feb 2025 set) | 5.5% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
| GSM8K | — | 76% |
Knowledge GPT-4.1 leads
GPT-4.1: 37.0 (#152), Yi-34B: 7.5 (#304)
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| GPQA Diamond | 66.9% | 14.7% |
| LMArena Expert | 1364 | 1061 |
| Humanity's Last Exam | 5.4% | — |
| SimpleQA Verified | 31.1% | — |
| MMLU-Pro | 81.1% | — |
| Vectara Hallucination Rate | 5.6% | — |
| GPQA (HELM) | 65.9% | — |
| MMLU | — | 76.3% |
Multimodal Not comparable
GPT-4.1: 37.5 (#66), Yi-34B: —
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| LMArena Vision | 1210 | — |
| GeoBench | 72% | — |
Multilingual GPT-4.1 leads
GPT-4.1: 49.6 (#128), Yi-34B: 29.9 (#259)
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| LMArena Non-English | 1370 | 1079 |
| LMArena Chinese | 1382 | 1175 |
| LMArena French | 1383 | 1080 |
| LMArena German | 1380 | 1042 |
| LMArena Japanese | 1320 | 993 |
| LMArena Korean | 1339 | 959 |
| LMArena Russian | 1377 | 1050 |
| LMArena Spanish | 1375 | 1070 |
Instruction Following GPT-4.1 leads
GPT-4.1: 71.5 (#148), Yi-34B: 56.4 (#269)
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1367 | 1091 |
| IFEval | 83.8% | — |
Long Context GPT-4.1 leads
GPT-4.1: 40.0 (#158), Yi-34B: 33.2 (#259)
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1385 | 1094 |
| Fiction.LiveBench | 63.9% | — |
Writing & Preference GPT-4.1 leads
GPT-4.1: 57.8 (#120), Yi-34B: 34.3 (#268)
| Benchmark | GPT-4.1 | Yi-34B |
|---|---|---|
| LMArena Text | 1383 | 1129 |
| LMArena Creative Writing | 1363 | 1108 |
| LMArena Multi-Turn | 1398 | 1113 |
| EQ-Bench Creative Writing | 1420 | — |
| WildBench | 85.4% | — |
Frequently asked questions
Is GPT-4.1 better than Yi-34B?
GPT-4.1 is the stronger model overall, scoring 35.7 to 27.4 on the Noometry Index.
Is GPT-4.1 or Yi-34B better for coding?
GPT-4.1 scores higher on coding benchmarks: 34.2 versus 31.8 in the Noometry coding category.
How many benchmarks do GPT-4.1 and Yi-34B share?
20 benchmarks have published results for both models. GPT-4.1 has 52 scored results on Noometry and Yi-34B has 23.