Model comparison
GPT-5.3 Chat vs Yi-34B
GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 27.8 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. GPT-5.3 Chat scores higher in 8 categories and Yi-34B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.3 Chat leads 38.8 to 7.5.
- Yi-34B has downloadable open weights; the other is API-only.
Side by side
| GPT-5.3 Chat | Yi-34B | |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 42.8 | 27.8 |
| Released | 2026-03-03 | 2023-11-02 |
| Weights | Proprietary | Open |
| Context window | 128K | — |
| Max output | 16K | — |
| Input $ / M tokens | $1.75 | — |
| Output $ / M tokens | $14 | — |
| Results tracked | 18 | 23 |
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Category by category
Coding GPT-5.3 Chat leads
GPT-5.3 Chat: 41.4 (#124), Yi-34B: 32.3 (#274)
| Benchmark | GPT-5.3 Chat | Yi-34B |
|---|---|---|
| LMArena Coding | 1408 | 1112 |
Reasoning GPT-5.3 Chat leads
GPT-5.3 Chat: 28.5 (#102), Yi-34B: 21.2 (#226)
| Benchmark | GPT-5.3 Chat | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1399 | 1104 |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |
Math GPT-5.3 Chat leads
GPT-5.3 Chat: 38.2 (#142), Yi-34B: 21.6 (#282)
| Benchmark | GPT-5.3 Chat | Yi-34B |
|---|---|---|
| LMArena Math | 1389 | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |
Knowledge GPT-5.3 Chat leads
GPT-5.3 Chat: 38.8 (#140), Yi-34B: 7.5 (#309)
| Benchmark | GPT-5.3 Chat | Yi-34B |
|---|---|---|
| LMArena Expert | 1397 | 1061 |
| GPQA Diamond | — | 14.7% |
| MMLU | — | 76.3% |
Multilingual GPT-5.3 Chat leads
GPT-5.3 Chat: 50.3 (#124), Yi-34B: 29.7 (#264)
| Benchmark | GPT-5.3 Chat | Yi-34B |
|---|---|---|
| LMArena Non-English | 1382 | 1079 |
| LMArena Chinese | 1432 | 1176 |
| LMArena French | 1397 | 1081 |
| LMArena German | 1384 | 1042 |
| LMArena Japanese | 1352 | 993 |
| LMArena Korean | 1346 | 959 |
| LMArena Russian | 1400 | 1050 |
| LMArena Spanish | 1371 | 1070 |
Instruction Following GPT-5.3 Chat leads
GPT-5.3 Chat: 72.8 (#129), Yi-34B: 56.2 (#274)
| Benchmark | GPT-5.3 Chat | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1378 | 1091 |
Long Context GPT-5.3 Chat leads
GPT-5.3 Chat: 42.6 (#120), Yi-34B: 33.2 (#264)
| Benchmark | GPT-5.3 Chat | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1396 | 1094 |
Writing & Preference GPT-5.3 Chat leads
GPT-5.3 Chat: 63.1 (#68), Yi-34B: 34.1 (#273)
| Benchmark | GPT-5.3 Chat | Yi-34B |
|---|---|---|
| LMArena Text | 1389 | 1129 |
| LMArena Creative Writing | 1355 | 1108 |
| LMArena Multi-Turn | 1412 | 1113 |
| EQ-Bench Creative Writing | 1690 | — |
Frequently asked questions
Is GPT-5.3 Chat better than Yi-34B?
GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 27.8 on the Noometry Index.
Is GPT-5.3 Chat or Yi-34B better for coding?
GPT-5.3 Chat scores higher on coding benchmarks: 41.4 versus 32.3 in the Noometry coding category.
How many benchmarks do GPT-5.3 Chat and Yi-34B share?
17 benchmarks have published results for both models. GPT-5.3 Chat has 18 scored results on Noometry and Yi-34B has 23.