# GPT-5.3 Chat vs Phi 3 Mini 4k Instruct June 2024

> GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 30.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-3-chat-vs-phi-3-mini-4k-instruct-june
- Last updated: 2026-10-10
- Shared benchmarks: 15

## Summary

- They share 15 benchmarks with published results for both. GPT-5.3 Chat scores higher in 8 categories and Phi 3 Mini 4k Instruct June 2024 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.3 Chat leads 63.3 to 29.7.
- Phi 3 Mini 4k Instruct June 2024 has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.3 Chat | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 42.1 | 30.7 |
| Rank | 109 | 274 |
| Context | 128K | — |
| Input $/M | $1.75 | — |
| Output $/M | $14 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5.3 Chat: 40.8 (#124)
- Phi 3 Mini 4k Instruct June 2024: 31.2 (#275)

| Benchmark | GPT-5.3 Chat | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Coding | 1408 | 1093 |

## Reasoning

- GPT-5.3 Chat: 27.3 (#105)
- Phi 3 Mini 4k Instruct June 2024: 19.9 (#229)

| Benchmark | GPT-5.3 Chat | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Hard Prompts | 1399 | 1088 |

## Math

- GPT-5.3 Chat: 35.4 (#146)
- Phi 3 Mini 4k Instruct June 2024: 30.4 (#209)

| Benchmark | GPT-5.3 Chat | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Math | 1389 | 1152 |

## Knowledge

- GPT-5.3 Chat: 38.2 (#137)
- Phi 3 Mini 4k Instruct June 2024: 28.1 (#240)

| Benchmark | GPT-5.3 Chat | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Expert | 1397 | 1051 |

## Multilingual

- GPT-5.3 Chat: 50.5 (#119)
- Phi 3 Mini 4k Instruct June 2024: 26.0 (#277)

| Benchmark | GPT-5.3 Chat | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Non-English | 1383 | 1013 |
| LMArena Chinese | 1433 | 1033 |
| LMArena German | 1384 | 1031 |
| LMArena Japanese | 1351 | 954 |
| LMArena Korean | 1347 | 880 |
| LMArena Russian | 1400 | 1019 |
| LMArena French | 1398 | — |
| LMArena Spanish | 1371 | — |

## Instruction Following

- GPT-5.3 Chat: 73.0 (#124)
- Phi 3 Mini 4k Instruct June 2024: 54.3 (#277)

| Benchmark | GPT-5.3 Chat | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Instruction Following | 1378 | 1058 |

## Long Context

- GPT-5.3 Chat: 42.6 (#115)
- Phi 3 Mini 4k Instruct June 2024: 31.6 (#272)

| Benchmark | GPT-5.3 Chat | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Longer Query | 1396 | 1042 |

## Writing & Preference

- GPT-5.3 Chat: 63.3 (#65)
- Phi 3 Mini 4k Instruct June 2024: 29.7 (#289)

| Benchmark | GPT-5.3 Chat | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Text | 1389 | 1080 |
| LMArena Creative Writing | 1356 | 1045 |
| LMArena Multi-Turn | 1413 | 1049 |
| EQ-Bench Creative Writing | 1690 | — |

## FAQ

### Is GPT-5.3 Chat better than Phi 3 Mini 4k Instruct June 2024?

GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 30.7 on the Noometry Index.

### Is GPT-5.3 Chat or Phi 3 Mini 4k Instruct June 2024 better for coding?

GPT-5.3 Chat scores higher on coding benchmarks: 40.8 versus 31.2 in the Noometry coding category.

### How many benchmarks do GPT-5.3 Chat and Phi 3 Mini 4k Instruct June 2024 share?

15 benchmarks have published results for both models. GPT-5.3 Chat has 18 scored results on Noometry and Phi 3 Mini 4k Instruct June 2024 has 15.