# GPT-5-Codex vs Phi 3 Mini 4k Instruct June 2024

> GPT-5-Codex is the stronger model overall, scoring 37.9 to 31.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-codex-vs-phi-3-mini-4k-instruct-june
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where GPT-5-Codex leads 42.4 to 31.8.
- Phi 3 Mini 4k Instruct June 2024 has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 37.9 | 31.3 |
| Rank | 192 | 276 |
| Context | 400K | — |
| Input $/M | $1.25 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5-Codex: 42.4 (#103)
- Phi 3 Mini 4k Instruct June 2024: 31.8 (#279)

| Benchmark | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| WeirdML | 54.5% | — |
| LMArena Coding | — | 1093 |

## Agentic & Tool Use

- GPT-5-Codex: 31.0 (#72)
- Phi 3 Mini 4k Instruct June 2024: —

| Benchmark | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| Terminal-Bench | 44.3% | — |

## Reasoning

- GPT-5-Codex: 30.9 (#83)
- Phi 3 Mini 4k Instruct June 2024: 20.8 (#231)

| Benchmark | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| Kagi LLM Benchmark | 70.3% | — |
| LMArena Hard Prompts | — | 1087 |

## Math

- GPT-5-Codex: —
- Phi 3 Mini 4k Instruct June 2024: 33.0 (#208)

| Benchmark | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Math | — | 1152 |

## Knowledge

- GPT-5-Codex: —
- Phi 3 Mini 4k Instruct June 2024: 28.6 (#244)

| Benchmark | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Expert | — | 1051 |

## Multilingual

- GPT-5-Codex: —
- Phi 3 Mini 4k Instruct June 2024: 25.9 (#282)

| Benchmark | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Non-English | — | 1013 |
| LMArena Chinese | — | 1033 |
| LMArena German | — | 1031 |
| LMArena Japanese | — | 954 |
| LMArena Korean | — | 880 |
| LMArena Russian | — | 1019 |

## Instruction Following

- GPT-5-Codex: —
- Phi 3 Mini 4k Instruct June 2024: 54.1 (#282)

| Benchmark | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Instruction Following | — | 1058 |

## Long Context

- GPT-5-Codex: —
- Phi 3 Mini 4k Instruct June 2024: 31.7 (#277)

| Benchmark | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Longer Query | — | 1042 |

## Writing & Preference

- GPT-5-Codex: —
- Phi 3 Mini 4k Instruct June 2024: 29.6 (#294)

| Benchmark | GPT-5-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Text | — | 1080 |
| LMArena Creative Writing | — | 1045 |
| LMArena Multi-Turn | — | 1049 |

## FAQ

### Is GPT-5-Codex better than Phi 3 Mini 4k Instruct June 2024?

GPT-5-Codex is the stronger model overall, scoring 37.9 to 31.3 on the Noometry Index.

### Is GPT-5-Codex or Phi 3 Mini 4k Instruct June 2024 better for coding?

GPT-5-Codex scores higher on coding benchmarks: 42.4 versus 31.8 in the Noometry coding category.

### How many benchmarks do GPT-5-Codex and Phi 3 Mini 4k Instruct June 2024 share?

0 benchmarks have published results for both models. GPT-5-Codex has 3 scored results on Noometry and Phi 3 Mini 4k Instruct June 2024 has 15.