Model comparison
Gemini Advanced 0514 vs GPT-5.3 Codex
GPT-5.3 Codex is the stronger model overall, scoring 45.8 to 37.7 on the Noometry Index.
Last verified . 0 shared benchmarks.
GoogleSummary
- The widest gap is in coding, where GPT-5.3 Codex leads 48.6 to 36.6.
Side by side
| Gemini Advanced 0514 | GPT-5.3 Codex | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 37.7 | 45.8 |
| Released | — | 2026-02-05 |
| Weights | Proprietary | Proprietary |
| Context window | — | 400K |
| Max output | — | 128K |
| Input $ / M tokens | — | $1.75 |
| Output $ / M tokens | — | $14 |
| Results tracked | 17 | 8 |
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Category by category
Coding GPT-5.3 Codex leads
Gemini Advanced 0514: 36.6 (#205), GPT-5.3 Codex: 48.6 (#56)
| Benchmark | Gemini Advanced 0514 | GPT-5.3 Codex |
|---|---|---|
| SWE-bench Verified | — | 74.8% |
| LMArena WebDev | — | 1409 |
| WeirdML | — | 79.3% |
| LMArena Coding | 1255 | — |
| ALE-Bench | — | 1,655 |
Agentic & Tool Use Not comparable
Gemini Advanced 0514: —, GPT-5.3 Codex: 48.0 (#9)
| Benchmark | Gemini Advanced 0514 | GPT-5.3 Codex |
|---|---|---|
| Terminal-Bench | — | 78.4% |
| METR Time Horizons | — | 74.5% |
| Vending-Bench 2 | — | 5,940 |
Reasoning Not comparable
Gemini Advanced 0514: 24.6 (#160), GPT-5.3 Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5.3 Codex |
|---|---|---|
| LMArena Hard Prompts | 1248 | — |
| Epoch Capabilities Index | — | 156.77 |
Math Not comparable
Gemini Advanced 0514: 35.5 (#181), GPT-5.3 Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5.3 Codex |
|---|---|---|
| LMArena Math | 1272 | — |
Knowledge Not comparable
Gemini Advanced 0514: 33.3 (#205), GPT-5.3 Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5.3 Codex |
|---|---|---|
| LMArena Expert | 1215 | — |
Multilingual Not comparable
Gemini Advanced 0514: 42.6 (#192), GPT-5.3 Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5.3 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-5.3 Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5.3 Codex |
|---|---|---|
| LMArena Instruction Following | 1253 | — |
Long Context Not comparable
Gemini Advanced 0514: 38.0 (#207), GPT-5.3 Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5.3 Codex |
|---|---|---|
| LMArena Longer Query | 1253 | — |
Writing & Preference Not comparable
Gemini Advanced 0514: 48.5 (#200), GPT-5.3 Codex: —
| Benchmark | Gemini Advanced 0514 | GPT-5.3 Codex |
|---|---|---|
| LMArena Text | 1279 | — |
| LMArena Creative Writing | 1284 | — |
| LMArena Multi-Turn | 1269 | — |
Frequently asked questions
Is Gemini Advanced 0514 better than GPT-5.3 Codex?
GPT-5.3 Codex is the stronger model overall, scoring 45.8 to 37.7 on the Noometry Index.
Is Gemini Advanced 0514 or GPT-5.3 Codex better for coding?
GPT-5.3 Codex scores higher on coding benchmarks: 48.6 versus 36.6 in the Noometry coding category.
How many benchmarks do Gemini Advanced 0514 and GPT-5.3 Codex share?
0 benchmarks have published results for both models. Gemini Advanced 0514 has 17 scored results on Noometry and GPT-5.3 Codex has 8.