# GPT-5-Codex vs Grok 2 Mini 2024 08 13

> GPT-5-Codex and Grok 2 Mini 2024 08 13 score almost the same on the Noometry Index (37.9 vs 37.7), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gpt-5-codex-vs-grok-2-mini
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where GPT-5-Codex leads 30.9 to 24.8.

## Snapshot

| | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| Provider | OpenAI | xAI |
| Noometry Index | 37.9 | 37.7 |
| Rank | 192 | 198 |
| Context | 400K | — |
| Input $/M | $1.25 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5-Codex: 42.4 (#103)
- Grok 2 Mini 2024 08 13: 37.0 (#199)

| Benchmark | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| WeirdML | 54.5% | — |
| LMArena Coding | — | 1269 |

## Agentic & Tool Use

- GPT-5-Codex: 31.0 (#72)
- Grok 2 Mini 2024 08 13: —

| Benchmark | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| Terminal-Bench | 44.3% | — |

## Reasoning

- GPT-5-Codex: 30.9 (#83)
- Grok 2 Mini 2024 08 13: 24.8 (#159)

| Benchmark | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| Kagi LLM Benchmark | 70.3% | — |
| LMArena Hard Prompts | — | 1255 |

## Math

- GPT-5-Codex: —
- Grok 2 Mini 2024 08 13: 35.4 (#185)

| Benchmark | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Math | — | 1265 |

## Knowledge

- GPT-5-Codex: —
- Grok 2 Mini 2024 08 13: 33.9 (#200)

| Benchmark | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Expert | — | 1238 |

## Multilingual

- GPT-5-Codex: —
- Grok 2 Mini 2024 08 13: 41.4 (#208)

| Benchmark | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Non-English | — | 1257 |
| LMArena Chinese | — | 1262 |
| LMArena French | — | 1286 |
| LMArena German | — | 1273 |
| LMArena Japanese | — | 1213 |
| LMArena Korean | — | 1195 |
| LMArena Russian | — | 1261 |
| LMArena Spanish | — | 1279 |

## Instruction Following

- GPT-5-Codex: —
- Grok 2 Mini 2024 08 13: 65.5 (#220)

| Benchmark | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Instruction Following | — | 1245 |

## Long Context

- GPT-5-Codex: —
- Grok 2 Mini 2024 08 13: 38.4 (#196)

| Benchmark | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Longer Query | — | 1266 |

## Writing & Preference

- GPT-5-Codex: —
- Grok 2 Mini 2024 08 13: 47.3 (#211)

| Benchmark | GPT-5-Codex | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Text | — | 1281 |
| LMArena Creative Writing | — | 1242 |
| LMArena Multi-Turn | — | 1265 |

## FAQ

### Is GPT-5-Codex better than Grok 2 Mini 2024 08 13?

GPT-5-Codex and Grok 2 Mini 2024 08 13 score almost the same on the Noometry Index (37.9 vs 37.7), so choose on price, context window or the category you care about most.

### Is GPT-5-Codex or Grok 2 Mini 2024 08 13 better for coding?

GPT-5-Codex scores higher on coding benchmarks: 42.4 versus 37.0 in the Noometry coding category.

### How many benchmarks do GPT-5-Codex and Grok 2 Mini 2024 08 13 share?

0 benchmarks have published results for both models. GPT-5-Codex has 3 scored results on Noometry and Grok 2 Mini 2024 08 13 has 17.