Model comparison
GPT-5.4 Pro vs Yi-34B
GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 27.8 on the Noometry Index.
Last verified . 2 shared benchmarks.
Summary
- They share 2 benchmarks with published results for both. GPT-5.4 Pro scores higher in 4 categories and Yi-34B in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.4 Pro leads 68.3 to 7.5.
- The biggest single-benchmark swing is GPQA Diamond: 94.6% for GPT-5.4 Pro and 14.7% for Yi-34B.
- Yi-34B has downloadable open weights; the other is API-only.
Side by side
| GPT-5.4 Pro | Yi-34B | |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 58.9 | 27.8 |
| Released | 2026-03-05 | 2023-11-02 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $30 | — |
| Output $ / M tokens | $180 | — |
| Results tracked | 16 | 23 |
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Category by category
Coding GPT-5.4 Pro leads
GPT-5.4 Pro: 43.2 (#90), Yi-34B: 32.3 (#274)
| Benchmark | GPT-5.4 Pro | Yi-34B |
|---|---|---|
| WeirdML | 57.4% | — |
| LMArena Coding | — | 1112 |
Reasoning GPT-5.4 Pro leads
GPT-5.4 Pro: 70.7 (#13), Yi-34B: 21.2 (#226)
| Benchmark | GPT-5.4 Pro | Yi-34B |
|---|---|---|
| Epoch Capabilities Index | 158.93 | 117.39 |
| ARC-AGI-2 | 83.3% | — |
| SimpleBench | 74.1% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 30% | — |
| Chess Puzzles | 58.6% | — |
| EnigmaEval | 23.8% | — |
| LMArena Hard Prompts | — | 1104 |
| BIG-Bench Hard | — | 71.7% |
Math GPT-5.4 Pro leads
GPT-5.4 Pro: 72.4 (#22), Yi-34B: 21.6 (#282)
| Benchmark | GPT-5.4 Pro | Yi-34B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 82.5% | — |
| FrontierMath Tier 4 | 58.5% | — |
| LMArena Math | — | 1114 |
| MATH Level 5 | — | 5.1% |
| FrontierMath (Feb 2025 set) | 50% | — |
| FrontierMath Tier 4 (v1) | 37.5% | — |
| GSM8K | — | 76% |
Knowledge GPT-5.4 Pro leads
GPT-5.4 Pro: 68.3 (#7), Yi-34B: 7.5 (#309)
| Benchmark | GPT-5.4 Pro | Yi-34B |
|---|---|---|
| GPQA Diamond | 94.6% | 14.7% |
| Humanity's Last Exam | 44.3% | — |
| SimpleQA Verified | 46.3% | — |
| Vectara Hallucination Rate | 8.3% | — |
| LMArena Expert | — | 1061 |
| MMLU | — | 76.3% |
Multilingual Not comparable
GPT-5.4 Pro: —, Yi-34B: 29.7 (#264)
| Benchmark | GPT-5.4 Pro | 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
GPT-5.4 Pro: —, Yi-34B: 56.2 (#274)
| Benchmark | GPT-5.4 Pro | Yi-34B |
|---|---|---|
| LMArena Instruction Following | — | 1091 |
Long Context Not comparable
GPT-5.4 Pro: —, Yi-34B: 33.2 (#264)
| Benchmark | GPT-5.4 Pro | Yi-34B |
|---|---|---|
| LMArena Longer Query | — | 1094 |
Writing & Preference Not comparable
GPT-5.4 Pro: —, Yi-34B: 34.1 (#273)
| Benchmark | GPT-5.4 Pro | Yi-34B |
|---|---|---|
| LMArena Text | — | 1129 |
| LMArena Creative Writing | — | 1108 |
| LMArena Multi-Turn | — | 1113 |
Frequently asked questions
Is GPT-5.4 Pro better than Yi-34B?
GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 27.8 on the Noometry Index.
Is GPT-5.4 Pro or Yi-34B better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 43.2 versus 32.3 in the Noometry coding category.
How many benchmarks do GPT-5.4 Pro and Yi-34B share?
2 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Yi-34B has 23.