Model comparison
Deepseek Coder v2 vs Grok 4 Fast
Grok 4 Fast is the stronger model overall, scoring 39.4 to 35.9 on the Noometry Index.
Last verified . 17 shared benchmarks.
DeepSeekSummary
- They share 17 benchmarks with published results for both. Deepseek Coder v2 scores higher in 3 categories and Grok 4 Fast in 5 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in long context, where Grok 4 Fast leads 63.2 to 37.0.
- Deepseek Coder v2 has downloadable open weights; the other is API-only.
Side by side
| Deepseek Coder v2 | Grok 4 Fast | |
|---|---|---|
| Provider | DeepSeek | xAI |
| Noometry Index | 35.9 | 39.4 |
| Released | 2024-06-17 | 2025-09-19 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 24 | 30 |
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Category by category
Coding Deepseek Coder v2 leads
Deepseek Coder v2: 38.1 (#183), Grok 4 Fast: 32.5 (#271)
| Benchmark | Deepseek Coder v2 | Grok 4 Fast |
|---|---|---|
| LMArena Coding | 1251 | 1429 |
| LMArena WebDev | — | 1159 |
| WeirdML | — | 42.9% |
| BigCodeBench Instruct | 48.2% | — |
| BigCodeBench Complete | 59.7% | — |
| HumanEval+ | 82.3% | — |
| MBPP+ | 75.1% | — |
Agentic & Tool Use Not comparable
Deepseek Coder v2: —, Grok 4 Fast: 29.5 (#86)
| Benchmark | Deepseek Coder v2 | Grok 4 Fast |
|---|---|---|
| τ²-bench Banking | — | 15.7% |
| Cybench | — | 30% |
| LMArena Search | — | 1171 |
Reasoning Deepseek Coder v2 leads
Deepseek Coder v2: 23.6 (#176), Grok 4 Fast: 22.2 (#201)
| Benchmark | Deepseek Coder v2 | Grok 4 Fast |
|---|---|---|
| LMArena Hard Prompts | 1207 | 1412 |
| ARC-AGI-2 | — | 5.3% |
| Kagi LLM Benchmark | — | 66.1% |
| ARC-AGI-1 | — | 48.5% |
| DTBench | — | 82.7% |
| Epoch Capabilities Index | — | 144.2 |
| ForecastBench | — | 60.5 |
| WinoGrande | 83.7% | — |
Math Grok 4 Fast leads
Deepseek Coder v2: 34.9 (#190), Grok 4 Fast: 38.9 (#123)
| Benchmark | Deepseek Coder v2 | Grok 4 Fast |
|---|---|---|
| LMArena Math | 1241 | 1419 |
| GSM8K | 94.5% | — |
Knowledge Too close to call
Deepseek Coder v2: 32.3 (#212), Grok 4 Fast: 32.0 (#214)
| Benchmark | Deepseek Coder v2 | Grok 4 Fast |
|---|---|---|
| LMArena Expert | 1181 | 1411 |
| Vectara Hallucination Rate | — | 19.7% |
| ARC (AI2) Challenge | 64.3% | — |
Multilingual Grok 4 Fast leads
Deepseek Coder v2: 36.3 (#240), Grok 4 Fast: 51.3 (#111)
| Benchmark | Deepseek Coder v2 | Grok 4 Fast |
|---|---|---|
| LMArena Non-English | 1182 | 1396 |
| LMArena Chinese | 1201 | 1457 |
| LMArena French | 1185 | 1431 |
| LMArena German | 1164 | 1383 |
| LMArena Japanese | 1126 | 1352 |
| LMArena Korean | 1104 | 1357 |
| LMArena Russian | 1188 | 1389 |
| LMArena Spanish | 1153 | 1415 |
Instruction Following Grok 4 Fast leads
Deepseek Coder v2: 61.7 (#242), Grok 4 Fast: 73.2 (#121)
| Benchmark | Deepseek Coder v2 | Grok 4 Fast |
|---|---|---|
| LMArena Instruction Following | 1180 | 1387 |
Long Context Grok 4 Fast leads
Deepseek Coder v2: 37.0 (#224), Grok 4 Fast: 63.2 (#3)
| Benchmark | Deepseek Coder v2 | Grok 4 Fast |
|---|---|---|
| LMArena Longer Query | 1219 | 1415 |
| Fiction.LiveBench | — | 94.4% |
Writing & Preference Grok 4 Fast leads
Deepseek Coder v2: 38.2 (#253), Grok 4 Fast: 60.0 (#102)
| Benchmark | Deepseek Coder v2 | Grok 4 Fast |
|---|---|---|
| LMArena Text | 1191 | 1407 |
| LMArena Creative Writing | 1120 | 1387 |
| LMArena Multi-Turn | 1177 | 1414 |
Frequently asked questions
Is Deepseek Coder v2 better than Grok 4 Fast?
Grok 4 Fast is the stronger model overall, scoring 39.4 to 35.9 on the Noometry Index.
Is Deepseek Coder v2 or Grok 4 Fast better for coding?
Deepseek Coder v2 scores higher on coding benchmarks: 38.1 versus 32.5 in the Noometry coding category.
How many benchmarks do Deepseek Coder v2 and Grok 4 Fast share?
17 benchmarks have published results for both models. Deepseek Coder v2 has 24 scored results on Noometry and Grok 4 Fast has 30.