# DeepSeek-V3.1-Terminus vs Grok-2 (Dec 2024)

> DeepSeek-V3.1-Terminus is the stronger model overall, scoring 42.6 to 33.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-v3-1-terminus-vs-grok-2
- Last updated: 2026-10-10
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. DeepSeek-V3.1-Terminus scores higher in 7 categories and Grok-2 (Dec 2024) in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where DeepSeek-V3.1-Terminus leads 35.7 to 19.6.
- The biggest single-benchmark swing is DTBench: 81.3% for DeepSeek-V3.1-Terminus and 65.2% for Grok-2 (Dec 2024).
- DeepSeek-V3.1-Terminus has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek-V3.1-Terminus | Grok-2 (Dec 2024) |
|---|---|---|
| Provider | DeepSeek | xAI |
| Noometry Index | 42.6 | 33.4 |
| Rank | 96 | 233 |
| Context | 164K | — |
| Input $/M | $0.30 | — |
| Output $/M | $1 | — |
| Weights | Open | Proprietary |

## Coding

- DeepSeek-V3.1-Terminus: 41.5 (#114)
- Grok-2 (Dec 2024): 32.9 (#254)

| Benchmark | DeepSeek-V3.1-Terminus | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Coding | 1426 | 1288 |
| SciCode | 40.6% | — |
| WeirdML | — | 22.2% |
| LiveBench Coding | — | 46.4% |
| ALE-Bench | 745.17 | — |

## Reasoning

- DeepSeek-V3.1-Terminus: 25.7 (#126)
- Grok-2 (Dec 2024): 16.4 (#294)

| Benchmark | DeepSeek-V3.1-Terminus | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1272 |
| DTBench | 81.3% | 65.2% |
| SimpleBench | — | 22.7% |
| Kagi LLM Benchmark | 57.4% | — |
| CritPt | 1.7% | — |
| LiveBench Reasoning | — | 54.8% |
| LiveBench Data Analysis | — | 54.5% |
| LMCA | 28.6% | — |
| Epoch Capabilities Index | — | 130.48 |
| LiveBench | — | 54.3% |

## Math

- DeepSeek-V3.1-Terminus: 35.7 (#138)
- Grok-2 (Dec 2024): 19.6 (#278)

| Benchmark | DeepSeek-V3.1-Terminus | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Math | 1402 | 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-Terminus: —
- Grok-2 (Dec 2024): 29.8 (#225)

| Benchmark | DeepSeek-V3.1-Terminus | Grok-2 (Dec 2024) |
|---|---|---|
| GPQA Diamond | — | 53.8% |
| Confabulations | — | 20.1% |
| LMArena Expert | — | 1254 |

## Multilingual

- DeepSeek-V3.1-Terminus: 52.3 (#87)
- Grok-2 (Dec 2024): 43.3 (#183)

| Benchmark | DeepSeek-V3.1-Terminus | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1407 | 1282 |
| LMArena Russian | 1434 | 1286 |
| LMArena Chinese | — | 1289 |
| LMArena French | — | 1317 |
| LMArena German | — | 1287 |
| LMArena Japanese | — | 1244 |
| LMArena Korean | — | 1237 |
| LMArena Spanish | — | 1281 |

## Instruction Following

- DeepSeek-V3.1-Terminus: 74.4 (#96)
- Grok-2 (Dec 2024): 67.1 (#197)

| Benchmark | DeepSeek-V3.1-Terminus | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Instruction Following | 1406 | 1270 |
| LiveBench Instruction Following | — | 69.6% |

## Long Context

- DeepSeek-V3.1-Terminus: 43.5 (#88)
- Grok-2 (Dec 2024): 38.7 (#186)

| Benchmark | DeepSeek-V3.1-Terminus | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1426 | 1276 |

## Writing & Preference

- DeepSeek-V3.1-Terminus: 61.3 (#87)
- Grok-2 (Dec 2024): 48.8 (#192)

| Benchmark | DeepSeek-V3.1-Terminus | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1420 | 1305 |
| LMArena Creative Writing | 1404 | 1284 |
| LMArena Multi-Turn | 1411 | 1290 |
| Short-Story Creative Writing | — | 63.6% |
| LiveBench Language | — | 45.6% |

## FAQ

### Is DeepSeek-V3.1-Terminus better than Grok-2 (Dec 2024)?

DeepSeek-V3.1-Terminus is the stronger model overall, scoring 42.6 to 33.4 on the Noometry Index.

### Is DeepSeek-V3.1-Terminus or Grok-2 (Dec 2024) better for coding?

DeepSeek-V3.1-Terminus scores higher on coding benchmarks: 41.5 versus 32.9 in the Noometry coding category.

### How many benchmarks do DeepSeek-V3.1-Terminus and Grok-2 (Dec 2024) share?

11 benchmarks have published results for both models. DeepSeek-V3.1-Terminus has 16 scored results on Noometry and Grok-2 (Dec 2024) has 34.