# Gemini Advanced 0514 vs GPT-5.1-Codex

> Gemini Advanced 0514 and GPT-5.1-Codex score almost the same on the Noometry Index (37.7 vs 38.6), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gemini-advanced-vs-gpt-5-1-codex
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where GPT-5.1-Codex leads 41.9 to 36.6.

## Snapshot

| | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 37.7 | 38.6 |
| Rank | 197 | 186 |
| Context | — | 400K |
| Input $/M | — | $1.25 |
| Output $/M | — | $10 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini Advanced 0514: 36.6 (#205)
- GPT-5.1-Codex: 41.9 (#116)

| Benchmark | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| SWE-bench Verified (bash only) | — | 66% |
| LMArena WebDev | — | 1337 |
| LMArena Coding | 1255 | — |
| ALE-Bench | — | 1,245 |

## Agentic & Tool Use

- Gemini Advanced 0514: —
- GPT-5.1-Codex: 38.0 (#33)

| Benchmark | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| Terminal-Bench | — | 60.4% |
| METR Time Horizons | — | 70.8% |

## Reasoning

- Gemini Advanced 0514: 24.6 (#160)
- GPT-5.1-Codex: —

| Benchmark | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| LMArena Hard Prompts | 1248 | — |

## Math

- Gemini Advanced 0514: 35.5 (#181)
- GPT-5.1-Codex: 30.3 (#235)

| Benchmark | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| ProofBench | — | 9% |
| LMArena Math | 1272 | — |

## Knowledge

- Gemini Advanced 0514: 33.3 (#205)
- GPT-5.1-Codex: —

| Benchmark | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| LMArena Expert | 1215 | — |

## Multilingual

- Gemini Advanced 0514: 42.6 (#192)
- GPT-5.1-Codex: —

| Benchmark | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| LMArena Non-English | 1274 | — |
| LMArena Chinese | 1274 | — |
| LMArena French | 1307 | — |
| LMArena German | 1275 | — |
| LMArena Japanese | 1242 | — |
| LMArena Korean | 1232 | — |
| LMArena Russian | 1283 | — |
| LMArena Spanish | 1242 | — |

## Instruction Following

- Gemini Advanced 0514: 66.0 (#212)
- GPT-5.1-Codex: —

| Benchmark | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| LMArena Instruction Following | 1253 | — |

## Long Context

- Gemini Advanced 0514: 38.0 (#207)
- GPT-5.1-Codex: —

| Benchmark | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| LMArena Longer Query | 1253 | — |

## Writing & Preference

- Gemini Advanced 0514: 48.5 (#200)
- GPT-5.1-Codex: —

| Benchmark | Gemini Advanced 0514 | GPT-5.1-Codex |
|---|---|---|
| LMArena Text | 1279 | — |
| LMArena Creative Writing | 1284 | — |
| LMArena Multi-Turn | 1269 | — |

## FAQ

### Is Gemini Advanced 0514 better than GPT-5.1-Codex?

Gemini Advanced 0514 and GPT-5.1-Codex score almost the same on the Noometry Index (37.7 vs 38.6), so choose on price, context window or the category you care about most.

### Is Gemini Advanced 0514 or GPT-5.1-Codex better for coding?

GPT-5.1-Codex scores higher on coding benchmarks: 41.9 versus 36.6 in the Noometry coding category.

### How many benchmarks do Gemini Advanced 0514 and GPT-5.1-Codex share?

0 benchmarks have published results for both models. Gemini Advanced 0514 has 17 scored results on Noometry and GPT-5.1-Codex has 6.
