Model comparison
Grok 4.1 vs Yi-34B
Grok 4.1 is the stronger model overall, scoring 40.8 to 27.4 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Grok 4.1 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 Grok 4.1 leads 38.9 to 7.5.
- Yi-34B has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 | Yi-34B | |
|---|---|---|
| Provider | xAI | 01.AI |
| Noometry Index | 40.8 | 27.4 |
| Released | 2025-11-17 | 2023-11-02 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 23 |
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Category by category
Coding Grok 4.1 leads
Grok 4.1: 33.4 (#246), Yi-34B: 31.8 (#269)
| Benchmark | Grok 4.1 | Yi-34B |
|---|---|---|
| LMArena Coding | 1445 | 1112 |
| LMArena WebDev | 1214 | — |
Agentic & Tool Use Not comparable
Grok 4.1: 33.8 (#47), Yi-34B: —
| Benchmark | Grok 4.1 | Yi-34B |
|---|---|---|
| Cybench | 39% | — |
Reasoning Grok 4.1 leads
Grok 4.1: 28.3 (#91), Yi-34B: 20.3 (#222)
| Benchmark | Grok 4.1 | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1436 | 1104 |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.28 |
Math Grok 4.1 leads
Grok 4.1: 36.2 (#124), Yi-34B: 19.8 (#277)
| Benchmark | Grok 4.1 | Yi-34B |
|---|---|---|
| LMArena Math | 1422 | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |
Knowledge Grok 4.1 leads
Grok 4.1: 38.9 (#129), Yi-34B: 7.5 (#304)
| Benchmark | Grok 4.1 | Yi-34B |
|---|---|---|
| LMArena Expert | 1417 | 1061 |
| GPQA Diamond | — | 14.7% |
| MMLU | — | 76.3% |
Multilingual Grok 4.1 leads
Grok 4.1: 53.6 (#64), Yi-34B: 29.9 (#259)
| Benchmark | Grok 4.1 | Yi-34B |
|---|---|---|
| LMArena Non-English | 1425 | 1079 |
| LMArena Chinese | 1464 | 1175 |
| LMArena French | 1448 | 1080 |
| LMArena German | 1447 | 1042 |
| LMArena Japanese | 1396 | 993 |
| LMArena Korean | 1407 | 959 |
| LMArena Russian | 1434 | 1050 |
| LMArena Spanish | 1438 | 1070 |
Instruction Following Grok 4.1 leads
Grok 4.1: 74.0 (#106), Yi-34B: 56.4 (#269)
| Benchmark | Grok 4.1 | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1400 | 1091 |
Long Context Grok 4.1 leads
Grok 4.1: 43.2 (#96), Yi-34B: 33.2 (#259)
| Benchmark | Grok 4.1 | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1416 | 1094 |
Writing & Preference Grok 4.1 leads
Grok 4.1: 62.6 (#71), Yi-34B: 34.3 (#268)
| Benchmark | Grok 4.1 | Yi-34B |
|---|---|---|
| LMArena Text | 1437 | 1129 |
| LMArena Creative Writing | 1411 | 1108 |
| LMArena Multi-Turn | 1438 | 1113 |
Frequently asked questions
Is Grok 4.1 better than Yi-34B?
Grok 4.1 is the stronger model overall, scoring 40.8 to 27.4 on the Noometry Index.
Is Grok 4.1 or Yi-34B better for coding?
Grok 4.1 scores higher on coding benchmarks: 33.4 versus 31.8 in the Noometry coding category.
How many benchmarks do Grok 4.1 and Yi-34B share?
17 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Yi-34B has 23.