# Gemma 2 2b IT vs GPT-5-Codex

> GPT-5-Codex is the stronger model overall, scoring 37.3 to 32.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-2-2b-it-vs-gpt-5-codex
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where GPT-5-Codex leads 41.9 to 31.8.
- Gemma 2 2b IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 32.5 | 37.3 |
| Rank | 244 | 190 |
| Context | — | 400K |
| Input $/M | — | $1.25 |
| Output $/M | — | $10 |
| Weights | Open | Proprietary |

## Coding

- Gemma 2 2b IT: 31.8 (#268)
- GPT-5-Codex: 41.9 (#100)

| Benchmark | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| WeirdML | — | 54.5% |
| LMArena Coding | 1112 | — |

## Agentic & Tool Use

- Gemma 2 2b IT: —
- GPT-5-Codex: 30.8 (#66)

| Benchmark | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| Terminal-Bench | — | 44.3% |

## Reasoning

- Gemma 2 2b IT: 20.5 (#219)
- GPT-5-Codex: 30.0 (#80)

| Benchmark | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| Kagi LLM Benchmark | — | 70.3% |
| LMArena Hard Prompts | 1113 | — |

## Math

- Gemma 2 2b IT: 30.1 (#212)
- GPT-5-Codex: —

| Benchmark | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| LMArena Math | 1135 | — |

## Knowledge

- Gemma 2 2b IT: 29.3 (#229)
- GPT-5-Codex: —

| Benchmark | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| LMArena Expert | 1096 | — |

## Multilingual

- Gemma 2 2b IT: 32.5 (#252)
- GPT-5-Codex: —

| Benchmark | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| LMArena Non-English | 1121 | — |
| LMArena Chinese | 1132 | — |
| LMArena French | 1156 | — |
| LMArena German | 1114 | — |
| LMArena Japanese | 1083 | — |
| LMArena Korean | 1055 | — |
| LMArena Russian | 1118 | — |
| LMArena Spanish | 1140 | — |

## Instruction Following

- Gemma 2 2b IT: 58.1 (#258)
- GPT-5-Codex: —

| Benchmark | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| LMArena Instruction Following | 1118 | — |

## Long Context

- Gemma 2 2b IT: 34.2 (#245)
- GPT-5-Codex: —

| Benchmark | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| LMArena Longer Query | 1130 | — |

## Writing & Preference

- Gemma 2 2b IT: 36.6 (#258)
- GPT-5-Codex: —

| Benchmark | Gemma 2 2b IT | GPT-5-Codex |
|---|---|---|
| LMArena Text | 1156 | — |
| LMArena Creative Writing | 1147 | — |
| LMArena Multi-Turn | 1118 | — |

## FAQ

### Is Gemma 2 2b IT better than GPT-5-Codex?

GPT-5-Codex is the stronger model overall, scoring 37.3 to 32.5 on the Noometry Index.

### Is Gemma 2 2b IT or GPT-5-Codex better for coding?

GPT-5-Codex scores higher on coding benchmarks: 41.9 versus 31.8 in the Noometry coding category.

### How many benchmarks do Gemma 2 2b IT and GPT-5-Codex share?

0 benchmarks have published results for both models. Gemma 2 2b IT has 17 scored results on Noometry and GPT-5-Codex has 3.