Model comparison
Gemini 2.0 Pro vs GPT-5.2 Codex
GPT-5.2 Codex is the stronger model overall, scoring 42.6 to 39.1 on the Noometry Index.
Last verified . 0 shared benchmarks.
GoogleSummary
- The widest gap is in coding, where GPT-5.2 Codex leads 45.5 to 37.8.
Side by side
| Gemini 2.0 Pro | GPT-5.2 Codex | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 39.1 | 42.6 |
| Released | 2025-02-05 | 2025-12-18 |
| Weights | Proprietary | Proprietary |
| Context window | — | 400K |
| Max output | — | 128K |
| Input $ / M tokens | — | $1.75 |
| Output $ / M tokens | — | $14 |
| Results tracked | 14 | 5 |
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Category by category
Coding GPT-5.2 Codex leads
Gemini 2.0 Pro: 37.8 (#187), GPT-5.2 Codex: 45.5 (#71)
| Benchmark | Gemini 2.0 Pro | GPT-5.2 Codex |
|---|---|---|
| SWE-bench Verified (bash only) | — | 72.8% |
| Aider Polyglot | 35.6% | — |
| LMArena WebDev | — | 1339 |
| SWE-bench Multilingual | — | 66.3% |
| LiveBench Coding | 63.5% | — |
| ALE-Bench | — | 1,300 |
Agentic & Tool Use Not comparable
Gemini 2.0 Pro: —, GPT-5.2 Codex: 41.0 (#22)
| Benchmark | Gemini 2.0 Pro | GPT-5.2 Codex |
|---|---|---|
| Terminal-Bench | — | 66.5% |
Reasoning Not comparable
Gemini 2.0 Pro: 22.3 (#198), GPT-5.2 Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5.2 Codex |
|---|---|---|
| EnigmaEval | 0.7% | — |
| LiveBench Reasoning | 60.1% | — |
| LiveBench Data Analysis | 68% | — |
| Epoch Capabilities Index | 135.06 | — |
| LiveBench | 65.1% | — |
Math Not comparable
Gemini 2.0 Pro: 39.7 (#100), GPT-5.2 Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5.2 Codex |
|---|---|---|
| LiveBench Math | 71% | — |
| MATH Level 5 | 83.5% | — |
Knowledge Not comparable
Gemini 2.0 Pro: 36.5 (#167), GPT-5.2 Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5.2 Codex |
|---|---|---|
| GPQA Diamond | 65.7% | — |
| Confabulations | 18.4% | — |
Instruction Following Not comparable
Gemini 2.0 Pro: 75.5 (#59), GPT-5.2 Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5.2 Codex |
|---|---|---|
| LiveBench Instruction Following | 83.4% | — |
Long Context Not comparable
Gemini 2.0 Pro: 29.2 (#292), GPT-5.2 Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5.2 Codex |
|---|---|---|
| Fiction.LiveBench | 41.7% | — |
Writing & Preference Not comparable
Gemini 2.0 Pro: 52.7 (#165), GPT-5.2 Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5.2 Codex |
|---|---|---|
| LiveBench Language | 44.9% | — |
Frequently asked questions
Is Gemini 2.0 Pro better than GPT-5.2 Codex?
GPT-5.2 Codex is the stronger model overall, scoring 42.6 to 39.1 on the Noometry Index.
Is Gemini 2.0 Pro or GPT-5.2 Codex better for coding?
GPT-5.2 Codex scores higher on coding benchmarks: 45.5 versus 37.8 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Pro and GPT-5.2 Codex share?
0 benchmarks have published results for both models. Gemini 2.0 Pro has 14 scored results on Noometry and GPT-5.2 Codex has 5.