Model comparison
Gemini Advanced 0514 vs GPT-5-Codex
Gemini Advanced 0514 and GPT-5-Codex score almost the same on the Noometry Index (37.7 vs 37.9), so choose on price, context window or the category you care about most.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where GPT-5-Codex leads 30.9 to 24.6.
Side by side
| Gemini Advanced 0514 | GPT-5-Codex | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 37.7 | 37.9 |
| Released | — | 2025-09-15 |
| Weights | Proprietary | Proprietary |
| Context window | — | 400K |
| Max output | — | 128K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $10 |
| Results tracked | 17 | 3 |
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Category by category
Coding GPT-5-Codex leads
Gemini Advanced 0514: 36.6 (#205), GPT-5-Codex: 42.4 (#103)
| Benchmark | Gemini Advanced 0514 | GPT-5-Codex |
|---|---|---|
| WeirdML | — | 54.5% |
| LMArena Coding | 1255 | — |
Agentic & Tool Use Not comparable
Gemini Advanced 0514: —, GPT-5-Codex: 31.0 (#72)
| Benchmark | Gemini Advanced 0514 | GPT-5-Codex |
|---|---|---|
| Terminal-Bench | — | 44.3% |
Reasoning GPT-5-Codex leads
Gemini Advanced 0514: 24.6 (#160), GPT-5-Codex: 30.9 (#83)
| Benchmark | Gemini Advanced 0514 | GPT-5-Codex |
|---|---|---|
| Kagi LLM Benchmark | — | 70.3% |
| LMArena Hard Prompts | 1248 | — |
Math Not comparable
Gemini Advanced 0514: 35.5 (#181), GPT-5-Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5-Codex |
|---|---|---|
| LMArena Math | 1272 | — |
Knowledge Not comparable
Gemini Advanced 0514: 33.3 (#205), GPT-5-Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5-Codex |
|---|---|---|
| LMArena Expert | 1215 | — |
Multilingual Not comparable
Gemini Advanced 0514: 42.6 (#192), GPT-5-Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5-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 Not comparable
Gemini Advanced 0514: 66.0 (#212), GPT-5-Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5-Codex |
|---|---|---|
| LMArena Instruction Following | 1253 | — |
Long Context Not comparable
Gemini Advanced 0514: 38.0 (#207), GPT-5-Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5-Codex |
|---|---|---|
| LMArena Longer Query | 1253 | — |
Writing & Preference Not comparable
Gemini Advanced 0514: 48.5 (#200), GPT-5-Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5-Codex |
|---|---|---|
| LMArena Text | 1279 | — |
| LMArena Creative Writing | 1284 | — |
| LMArena Multi-Turn | 1269 | — |
Frequently asked questions
Is Gemini Advanced 0514 better than GPT-5-Codex?
Gemini Advanced 0514 and GPT-5-Codex score almost the same on the Noometry Index (37.7 vs 37.9), so choose on price, context window or the category you care about most.
Is Gemini Advanced 0514 or GPT-5-Codex better for coding?
GPT-5-Codex scores higher on coding benchmarks: 42.4 versus 36.6 in the Noometry coding category.
How many benchmarks do Gemini Advanced 0514 and GPT-5-Codex share?
0 benchmarks have published results for both models. Gemini Advanced 0514 has 17 scored results on Noometry and GPT-5-Codex has 3.