Model comparison
DeepSeek-V3.1 vs Grok-2 (Dec 2024)
DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 33.7 on the Noometry Index.
Last verified . 21 shared benchmarks.
Summary
- They share 21 benchmarks with published results for both. DeepSeek-V3.1 scores higher in 7 categories and Grok-2 (Dec 2024) in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where DeepSeek-V3.1 leads 38.9 to 20.8.
- The biggest single-benchmark swing is DTBench: 82.7% for DeepSeek-V3.1 and 65.2% for Grok-2 (Dec 2024).
- DeepSeek-V3.1 has downloadable open weights; the other is API-only.
Side by side
| DeepSeek-V3.1 | Grok-2 (Dec 2024) | |
|---|---|---|
| Provider | DeepSeek | xAI |
| Noometry Index | 42.8 | 33.7 |
| Released | 2025-08-21 | 2024-08-13 |
| Weights | Open | Proprietary |
| Context window | 164K | — |
| Max output | 8K | — |
| Input $ / M tokens | $0.25 | — |
| Output $ / M tokens | $0.95 | — |
| Results tracked | 27 | 34 |
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Category by category
Coding DeepSeek-V3.1 leads
DeepSeek-V3.1: 40.3 (#144), Grok-2 (Dec 2024): 33.3 (#258)
| Benchmark | DeepSeek-V3.1 | Grok-2 (Dec 2024) |
|---|---|---|
| WeirdML | 38.4% | 22.2% |
| LMArena Coding | 1417 | 1287 |
| LiveBench Coding | — | 46.4% |
Reasoning DeepSeek-V3.1 leads
DeepSeek-V3.1: 27.9 (#110), Grok-2 (Dec 2024): 16.9 (#299)
| Benchmark | DeepSeek-V3.1 | Grok-2 (Dec 2024) |
|---|---|---|
| SimpleBench | 40% | 22.7% |
| LMArena Hard Prompts | 1417 | 1272 |
| DTBench | 82.7% | 65.2% |
| Epoch Capabilities Index | 139.92 | 130.48 |
| Kagi LLM Benchmark | 53.2% | — |
| LiveBench Reasoning | — | 54.8% |
| LiveBench Data Analysis | — | 54.5% |
| LMCA | 24.3% | — |
| ForecastBench | 58 | — |
| LiveBench | — | 54.3% |
Math DeepSeek-V3.1 leads
DeepSeek-V3.1: 38.9 (#122), Grok-2 (Dec 2024): 20.8 (#284)
| Benchmark | DeepSeek-V3.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Math | 1420 | 1283 |
| OTIS Mock AIME 2024-2025 | — | 11.5% |
| LiveBench Math | — | 54.9% |
| MATH Level 5 | — | 63.5% |
| FrontierMath (Feb 2025 set) | — | 0.7% |
Knowledge DeepSeek-V3.1 leads
DeepSeek-V3.1: 43.7 (#90), Grok-2 (Dec 2024): 29.8 (#233)
| Benchmark | DeepSeek-V3.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Expert | 1405 | 1254 |
| GPQA Diamond | — | 53.8% |
| Confabulations | — | 20.1% |
| Vectara Hallucination Rate | 5.5% | — |
Multilingual DeepSeek-V3.1 leads
DeepSeek-V3.1: 51.6 (#106), Grok-2 (Dec 2024): 43.1 (#188)
| Benchmark | DeepSeek-V3.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1400 | 1282 |
| LMArena Chinese | 1469 | 1289 |
| LMArena French | 1447 | 1318 |
| LMArena German | 1411 | 1287 |
| LMArena Japanese | 1378 | 1244 |
| LMArena Korean | 1337 | 1237 |
| LMArena Russian | 1405 | 1286 |
| LMArena Spanish | 1431 | 1281 |
Instruction Following DeepSeek-V3.1 leads
DeepSeek-V3.1: 73.9 (#110), Grok-2 (Dec 2024): 66.9 (#202)
| Benchmark | DeepSeek-V3.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Instruction Following | 1400 | 1270 |
| LiveBench Instruction Following | — | 69.6% |
Long Context Grok-2 (Dec 2024) leads
DeepSeek-V3.1: 36.3 (#232), Grok-2 (Dec 2024): 38.8 (#190)
| Benchmark | DeepSeek-V3.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1422 | 1276 |
| Fiction.LiveBench | 52.8% | — |
Writing & Preference DeepSeek-V3.1 leads
DeepSeek-V3.1: 60.3 (#98), Grok-2 (Dec 2024): 48.6 (#198)
| Benchmark | DeepSeek-V3.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1420 | 1305 |
| LMArena Creative Writing | 1401 | 1284 |
| LMArena Multi-Turn | 1408 | 1290 |
| Short-Story Creative Writing | — | 63.6% |
| EQ-Bench Creative Writing | 1436 | — |
| LiveBench Language | — | 45.6% |
Frequently asked questions
Is DeepSeek-V3.1 better than Grok-2 (Dec 2024)?
DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 33.7 on the Noometry Index.
Is DeepSeek-V3.1 or Grok-2 (Dec 2024) better for coding?
DeepSeek-V3.1 scores higher on coding benchmarks: 40.3 versus 33.3 in the Noometry coding category.
How many benchmarks do DeepSeek-V3.1 and Grok-2 (Dec 2024) share?
21 benchmarks have published results for both models. DeepSeek-V3.1 has 27 scored results on Noometry and Grok-2 (Dec 2024) has 34.