# Claude 2.1 vs Phi 3 Medium 4k Instruct

> Phi 3 Medium 4k Instruct is the stronger model overall, scoring 32.4 to 24.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-phi-3-medium-4k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Phi 3 Medium 4k Instruct leads 30.9 to 9.6.
- Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 24.9 | 32.4 |
| Rank | 340 | 246 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 2.1: 25.8 (#322)
- Phi 3 Medium 4k Instruct: 32.3 (#263)

| Benchmark | Claude 2.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1130 |

## Reasoning

- Claude 2.1: 20.6 (#216)
- Phi 3 Medium 4k Instruct: 20.8 (#214)

| Benchmark | Claude 2.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | — | 1127 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 9.6 (#309)
- Phi 3 Medium 4k Instruct: 30.9 (#202)

| Benchmark | Claude 2.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1173 |

## Knowledge

- Claude 2.1: 15.5 (#287)
- Phi 3 Medium 4k Instruct: 29.6 (#226)

| Benchmark | Claude 2.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1108 |
| MMLU | 73.5% | — |

## Multilingual

- Claude 2.1: —
- Phi 3 Medium 4k Instruct: 30.8 (#258)

| Benchmark | Claude 2.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Non-English | — | 1094 |
| LMArena Chinese | — | 1108 |
| LMArena French | — | 1109 |
| LMArena German | — | 1101 |
| LMArena Japanese | — | 1042 |
| LMArena Korean | — | 954 |
| LMArena Russian | — | 1145 |
| LMArena Spanish | — | 1095 |

## Instruction Following

- Claude 2.1: —
- Phi 3 Medium 4k Instruct: 57.8 (#263)

| Benchmark | Claude 2.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1114 |

## Long Context

- Claude 2.1: —
- Phi 3 Medium 4k Instruct: 33.9 (#250)

| Benchmark | Claude 2.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Longer Query | — | 1120 |

## Writing & Preference

- Claude 2.1: —
- Phi 3 Medium 4k Instruct: 34.3 (#267)

| Benchmark | Claude 2.1 | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Text | — | 1138 |
| LMArena Creative Writing | — | 1106 |
| LMArena Multi-Turn | — | 1088 |

## FAQ

### Is Claude 2.1 better than Phi 3 Medium 4k Instruct?

Phi 3 Medium 4k Instruct is the stronger model overall, scoring 32.4 to 24.9 on the Noometry Index.

### Is Claude 2.1 or Phi 3 Medium 4k Instruct better for coding?

Phi 3 Medium 4k Instruct scores higher on coding benchmarks: 32.3 versus 25.8 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Phi 3 Medium 4k Instruct share?

0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.