# DeepSeek-V3.1-Terminus vs Phi 3 Small 8k Instruct

> DeepSeek-V3.1-Terminus is the stronger model overall, scoring 42.6 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-v3-1-terminus-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. DeepSeek-V3.1-Terminus scores higher in 7 categories and Phi 3 Small 8k Instruct in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where DeepSeek-V3.1-Terminus leads 61.3 to 31.3.

## Snapshot

| | DeepSeek-V3.1-Terminus | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | DeepSeek | Microsoft |
| Noometry Index | 42.6 | 28.8 |
| Rank | 96 | 310 |
| Context | 164K | — |
| Input $/M | $0.30 | — |
| Output $/M | $1 | — |
| Weights | Open | Open |

## Coding

- DeepSeek-V3.1-Terminus: 41.5 (#114)
- Phi 3 Small 8k Instruct: 27.4 (#313)

| Benchmark | DeepSeek-V3.1-Terminus | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Coding | 1426 | 1102 |
| SciCode | 40.6% | — |
| LiveBench Coding | — | 20.3% |
| ALE-Bench | 745.17 | — |

## Reasoning

- DeepSeek-V3.1-Terminus: 25.7 (#126)
- Phi 3 Small 8k Instruct: 14.2 (#319)

| Benchmark | DeepSeek-V3.1-Terminus | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1100 |
| Kagi LLM Benchmark | 57.4% | — |
| CritPt | 1.7% | — |
| LiveBench Reasoning | — | 15.9% |
| DTBench | 81.3% | — |
| LiveBench Data Analysis | — | 30.3% |
| LMCA | 28.6% | — |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- DeepSeek-V3.1-Terminus: 35.7 (#138)
- Phi 3 Small 8k Instruct: 25.4 (#247)

| Benchmark | DeepSeek-V3.1-Terminus | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Math | 1402 | 1151 |
| LiveBench Math | — | 17.6% |

## Knowledge

- DeepSeek-V3.1-Terminus: —
- Phi 3 Small 8k Instruct: 28.5 (#237)

| Benchmark | DeepSeek-V3.1-Terminus | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | — | 1067 |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multilingual

- DeepSeek-V3.1-Terminus: 52.3 (#87)
- Phi 3 Small 8k Instruct: 28.6 (#267)

| Benchmark | DeepSeek-V3.1-Terminus | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | 1407 | 1058 |
| LMArena Russian | 1434 | 1111 |
| LMArena Chinese | — | 1061 |
| LMArena French | — | 1134 |
| LMArena German | — | 1080 |
| LMArena Japanese | — | 966 |
| LMArena Korean | — | 894 |
| LMArena Spanish | — | 1111 |

## Instruction Following

- DeepSeek-V3.1-Terminus: 74.4 (#96)
- Phi 3 Small 8k Instruct: 52.2 (#287)

| Benchmark | DeepSeek-V3.1-Terminus | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Instruction Following | 1406 | 1087 |
| LiveBench Instruction Following | — | 47.2% |

## Long Context

- DeepSeek-V3.1-Terminus: 43.5 (#88)
- Phi 3 Small 8k Instruct: 33.0 (#262)

| Benchmark | DeepSeek-V3.1-Terminus | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | 1426 | 1088 |

## Writing & Preference

- DeepSeek-V3.1-Terminus: 61.3 (#87)
- Phi 3 Small 8k Instruct: 31.3 (#279)

| Benchmark | DeepSeek-V3.1-Terminus | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | 1420 | 1110 |
| LMArena Creative Writing | 1404 | 1083 |
| LMArena Multi-Turn | 1411 | 1068 |
| LiveBench Language | — | 12.9% |

## FAQ

### Is DeepSeek-V3.1-Terminus better than Phi 3 Small 8k Instruct?

DeepSeek-V3.1-Terminus is the stronger model overall, scoring 42.6 to 28.8 on the Noometry Index.

### Is DeepSeek-V3.1-Terminus or Phi 3 Small 8k Instruct better for coding?

DeepSeek-V3.1-Terminus scores higher on coding benchmarks: 41.5 versus 27.4 in the Noometry coding category.

### How many benchmarks do DeepSeek-V3.1-Terminus and Phi 3 Small 8k Instruct share?

10 benchmarks have published results for both models. DeepSeek-V3.1-Terminus has 16 scored results on Noometry and Phi 3 Small 8k Instruct has 32.