# DeepSeek LLM 67B vs Mercury

> Mercury is the stronger model overall, scoring 37.6 to 24.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-llm-67b-vs-mercury
- Last updated: 2026-10-10
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. DeepSeek LLM 67B scores higher in 0 categories and Mercury in 6 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mercury leads 46.2 to 31.6.
- DeepSeek LLM 67B has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek LLM 67B | Mercury |
|---|---|---|
| Provider | DeepSeek | Inception |
| Noometry Index | 24.9 | 37.6 |
| Rank | 347 | 199 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- DeepSeek LLM 67B: 31.9 (#278)
- Mercury: 38.7 (#170)

| Benchmark | DeepSeek LLM 67B | Mercury |
|---|---|---|
| LMArena Coding | 1096 | 1322 |

## Reasoning

- DeepSeek LLM 67B: 16.5 (#304)
- Mercury: 17.5 (#293)

| Benchmark | DeepSeek LLM 67B | Mercury |
|---|---|---|
| LMArena Hard Prompts | 1070 | 1285 |
| Kagi LLM Benchmark | — | 21.6% |
| Chess Puzzles | 0% | — |
| Epoch Capabilities Index | 110.5 | — |

## Math

- DeepSeek LLM 67B: 8.7 (#324)
- Mercury: —

| Benchmark | DeepSeek LLM 67B | Mercury |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 0.8% | — |
| LMArena Math | 1108 | — |
| MATH Level 5 | 6.4% | — |

## Knowledge

- DeepSeek LLM 67B: 7.0 (#313)
- Mercury: —

| Benchmark | DeepSeek LLM 67B | Mercury |
|---|---|---|
| GPQA Diamond | 24.6% | — |

## Multilingual

- DeepSeek LLM 67B: 29.4 (#267)
- Mercury: 41.6 (#206)

| Benchmark | DeepSeek LLM 67B | Mercury |
|---|---|---|
| LMArena Non-English | 1073 | 1260 |
| LMArena Chinese | 1132 | — |

## Instruction Following

- DeepSeek LLM 67B: 55.4 (#277)
- Mercury: 65.2 (#224)

| Benchmark | DeepSeek LLM 67B | Mercury |
|---|---|---|
| LMArena Instruction Following | 1079 | 1239 |

## Long Context

- DeepSeek LLM 67B: 33.1 (#265)
- Mercury: 38.4 (#198)

| Benchmark | DeepSeek LLM 67B | Mercury |
|---|---|---|
| LMArena Longer Query | 1092 | 1266 |

## Writing & Preference

- DeepSeek LLM 67B: 31.6 (#282)
- Mercury: 46.2 (#221)

| Benchmark | DeepSeek LLM 67B | Mercury |
|---|---|---|
| LMArena Text | 1105 | 1282 |
| LMArena Creative Writing | 1067 | 1191 |
| LMArena Multi-Turn | 1082 | 1282 |

## FAQ

### Is DeepSeek LLM 67B better than Mercury?

Mercury is the stronger model overall, scoring 37.6 to 24.9 on the Noometry Index.

### Is DeepSeek LLM 67B or Mercury better for coding?

Mercury scores higher on coding benchmarks: 38.7 versus 31.9 in the Noometry coding category.

### How many benchmarks do DeepSeek LLM 67B and Mercury share?

8 benchmarks have published results for both models. DeepSeek LLM 67B has 15 scored results on Noometry and Mercury has 9.