# Claude Instant vs Phi 3 Small 8k Instruct

> Phi 3 Small 8k Instruct has enough public results to be ranked (#314); Claude Instant does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/claude-instant-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Claude Instant scores higher in 1 category and Phi 3 Small 8k Instruct in 0 categories; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where Claude Instant leads 19.6 to 14.8.
- Phi 3 Small 8k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 29.5 | 29.3 |
| Rank | — | 314 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude Instant: —
- Phi 3 Small 8k Instruct: 27.9 (#318)

| Benchmark | Claude Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Coding | — | 20.3% |
| LMArena Coding | — | 1101 |
| HumanEval+ | 50.6% | — |

## Reasoning

- Claude Instant: 19.6
- Phi 3 Small 8k Instruct: 14.8 (#323)

| Benchmark | Claude Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Reasoning | — | 15.9% |
| LMArena Hard Prompts | — | 1100 |
| DTBench | 45.8% | — |
| LiveBench Data Analysis | — | 30.3% |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| Epoch Capabilities Index | 120.28 | — |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- Claude Instant: —
- Phi 3 Small 8k Instruct: 27.6 (#248)

| Benchmark | Claude Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Math | — | 17.6% |
| LMArena Math | — | 1151 |
| GSM8K | 86.7% | — |

## Knowledge

- Claude Instant: —
- Phi 3 Small 8k Instruct: 29.1 (#240)

| Benchmark | Claude Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| ARC (AI2) Challenge | 86.3% | 90.7% |
| MMLU | 73.4% | 75.7% |
| TriviaQA | 78.9% | 58.1% |
| LMArena Expert | — | 1067 |
| OpenBookQA | — | 88% |

## Multilingual

- Claude Instant: —
- Phi 3 Small 8k Instruct: 28.5 (#272)

| Benchmark | Claude Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | — | 1058 |
| LMArena Chinese | — | 1061 |
| LMArena French | — | 1135 |
| LMArena German | — | 1080 |
| LMArena Japanese | — | 966 |
| LMArena Korean | — | 894 |
| LMArena Russian | — | 1111 |
| LMArena Spanish | — | 1111 |

## Instruction Following

- Claude Instant: —
- Phi 3 Small 8k Instruct: 51.9 (#292)

| Benchmark | Claude Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Instruction Following | — | 47.2% |
| LMArena Instruction Following | — | 1087 |

## Long Context

- Claude Instant: —
- Phi 3 Small 8k Instruct: 33.0 (#267)

| Benchmark | Claude Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | — | 1088 |

## Writing & Preference

- Claude Instant: —
- Phi 3 Small 8k Instruct: 31.1 (#284)

| Benchmark | Claude Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | — | 1110 |
| LMArena Creative Writing | — | 1083 |
| LMArena Multi-Turn | — | 1068 |
| LiveBench Language | — | 12.9% |

## FAQ

### Is Claude Instant better than Phi 3 Small 8k Instruct?

Phi 3 Small 8k Instruct has enough public results to be ranked (#314); Claude Instant does not yet, so treat this comparison as directional.

### How many benchmarks do Claude Instant and Phi 3 Small 8k Instruct share?

3 benchmarks have published results for both models. Claude Instant has 7 scored results on Noometry and Phi 3 Small 8k Instruct has 32.