Model comparison
Grok 4.3 vs Yi-34B
Grok 4.3 is the stronger model overall, scoring 43.8 to 27.8 on the Noometry Index.
Last verified . 19 shared benchmarks.
Summary
- They share 19 benchmarks with published results for both. Grok 4.3 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 4.3 leads 52.5 to 7.5.
- The biggest single-benchmark swing is GPQA Diamond: 88.8% for Grok 4.3 and 14.7% for Yi-34B.
- Yi-34B has downloadable open weights; the other is API-only.
Side by side
| Grok 4.3 | Yi-34B | |
|---|---|---|
| Provider | xAI | 01.AI |
| Noometry Index | 43.8 | 27.8 |
| Released | 2026-04-17 | 2023-11-02 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 30K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 40 | 23 |
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Category by category
Coding Grok 4.3 leads
Grok 4.3: 41.6 (#121), Yi-34B: 32.3 (#274)
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| LMArena Coding | 1415 | 1112 |
| LMArena WebDev | 1357 | — |
| SciCode | 47.3% | — |
| WeirdML | 49.9% | — |
| ALE-Bench | 944.17 | — |
Agentic & Tool Use Not comparable
Grok 4.3: 27.7 (#99), Yi-34B: —
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| GDP.pdf | 8% | — |
| LMArena Search | 1165 | — |
| Vending-Bench 2 | 35.26 | — |
Reasoning Grok 4.3 leads
Grok 4.3: 35.9 (#68), Yi-34B: 21.2 (#226)
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1104 |
| Epoch Capabilities Index | 149.16 | 117.39 |
| NYT Connections (extended) | 55.2% | — |
| CritPt | 8% | — |
| Chess Puzzles | 25% | — |
| DTBench | 90.7% | — |
| LMCA | 38.3% | — |
| BIG-Bench Hard | — | 71.7% |
| ForecastBench | 60.3 | — |
Math Grok 4.3 leads
Grok 4.3: 46.0 (#74), Yi-34B: 21.6 (#282)
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| LMArena Math | 1388 | 1114 |
| FrontierMath (Tiers 1-3) | 42.8% | — |
| FrontierMath Tier 4 | 14.6% | — |
| OTIS Mock AIME 2024-2025 | 93.3% | — |
| ProofBench | 11% | — |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |
Knowledge Grok 4.3 leads
Grok 4.3: 52.5 (#62), Yi-34B: 7.5 (#309)
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| GPQA Diamond | 88.8% | 14.7% |
| LMArena Expert | 1385 | 1061 |
| SimpleQA Verified | 33.2% | — |
| MMLU | — | 76.3% |
Multimodal Not comparable
Grok 4.3: 31.6 (#104), Yi-34B: —
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| LMArena Vision | 1229 | — |
| Blueprint-Bench 2 | 0% | — |
Multilingual Grok 4.3 leads
Grok 4.3: 50.5 (#120), Yi-34B: 29.7 (#264)
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| LMArena Non-English | 1385 | 1079 |
| LMArena Chinese | 1422 | 1176 |
| LMArena French | 1412 | 1081 |
| LMArena German | 1395 | 1042 |
| LMArena Japanese | 1379 | 993 |
| LMArena Korean | 1356 | 959 |
| LMArena Russian | 1399 | 1050 |
| LMArena Spanish | 1398 | 1070 |
Instruction Following Grok 4.3 leads
Grok 4.3: 72.1 (#140), Yi-34B: 56.2 (#274)
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1366 | 1091 |
Long Context Grok 4.3 leads
Grok 4.3: 42.5 (#123), Yi-34B: 33.2 (#264)
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1393 | 1094 |
Writing & Preference Grok 4.3 leads
Grok 4.3: 58.5 (#118), Yi-34B: 34.1 (#273)
| Benchmark | Grok 4.3 | Yi-34B |
|---|---|---|
| LMArena Text | 1397 | 1129 |
| LMArena Creative Writing | 1380 | 1108 |
| LMArena Multi-Turn | 1406 | 1113 |
| EQ-Bench 4 | 1075 | — |
Frequently asked questions
Is Grok 4.3 better than Yi-34B?
Grok 4.3 is the stronger model overall, scoring 43.8 to 27.8 on the Noometry Index.
Is Grok 4.3 or Yi-34B better for coding?
Grok 4.3 scores higher on coding benchmarks: 41.6 versus 32.3 in the Noometry coding category.
How many benchmarks do Grok 4.3 and Yi-34B share?
19 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and Yi-34B has 23.