# Gemma 1.1 2b IT vs GPT-5.3 Codex

> GPT-5.3 Codex is the stronger model overall, scoring 45.5 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-1-1-2b-it-vs-gpt-5-3-codex
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where GPT-5.3 Codex leads 48.5 to 29.6.
- Gemma 1.1 2b IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 28.8 | 45.5 |
| Rank | 313 | 61 |
| Context | — | 400K |
| Input $/M | — | $1.75 |
| Output $/M | — | $14 |
| Weights | Open | Proprietary |

## Coding

- Gemma 1.1 2b IT: 29.6 (#294)
- GPT-5.3 Codex: 48.5 (#51)

| Benchmark | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| SWE-bench Verified | — | 74.8% |
| LMArena WebDev | — | 1408 |
| WeirdML | — | 79.3% |
| LMArena Coding | 1034 | — |
| ALE-Bench | — | 1,655 |
| HumanEval+ | 17.7% | — |
| MBPP+ | 23.3% | — |

## Agentic & Tool Use

- Gemma 1.1 2b IT: —
- GPT-5.3 Codex: 47.8 (#9)

| Benchmark | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| Terminal-Bench | — | 78.4% |
| METR Time Horizons | — | 74.5% |
| Vending-Bench 2 | — | 5,940 |

## Reasoning

- Gemma 1.1 2b IT: 18.2 (#268)
- GPT-5.3 Codex: —

| Benchmark | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| LMArena Hard Prompts | 1005 | — |
| Epoch Capabilities Index | — | 156.84 |

## Math

- Gemma 1.1 2b IT: 28.3 (#230)
- GPT-5.3 Codex: —

| Benchmark | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| LMArena Math | 1047 | — |

## Knowledge

- Gemma 1.1 2b IT: 26.0 (#255)
- GPT-5.3 Codex: —

| Benchmark | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| LMArena Expert | 970 | — |

## Multilingual

- Gemma 1.1 2b IT: 24.7 (#284)
- GPT-5.3 Codex: —

| Benchmark | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| LMArena Non-English | 988 | — |
| LMArena Chinese | 1011 | — |
| LMArena German | 944 | — |
| LMArena Korean | 899 | — |
| LMArena Russian | 990 | — |

## Instruction Following

- Gemma 1.1 2b IT: 50.1 (#294)
- GPT-5.3 Codex: —

| Benchmark | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| LMArena Instruction Following | 992 | — |

## Long Context

- Gemma 1.1 2b IT: 30.5 (#281)
- GPT-5.3 Codex: —

| Benchmark | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| LMArena Longer Query | 1003 | — |

## Writing & Preference

- Gemma 1.1 2b IT: 25.3 (#301)
- GPT-5.3 Codex: —

| Benchmark | Gemma 1.1 2b IT | GPT-5.3 Codex |
|---|---|---|
| LMArena Text | 1022 | — |
| LMArena Creative Writing | 998 | — |
| LMArena Multi-Turn | 958 | — |

## FAQ

### Is Gemma 1.1 2b IT better than GPT-5.3 Codex?

GPT-5.3 Codex is the stronger model overall, scoring 45.5 to 28.8 on the Noometry Index.

### Is Gemma 1.1 2b IT or GPT-5.3 Codex better for coding?

GPT-5.3 Codex scores higher on coding benchmarks: 48.5 versus 29.6 in the Noometry coding category.

### How many benchmarks do Gemma 1.1 2b IT and GPT-5.3 Codex share?

0 benchmarks have published results for both models. Gemma 1.1 2b IT has 16 scored results on Noometry and GPT-5.3 Codex has 8.