Model comparison
Gemini 2.0 Pro vs GPT-5-Codex
Gemini 2.0 Pro is the stronger model overall, scoring 38.6 to 37.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
GoogleSummary
- The widest gap is in reasoning, where GPT-5-Codex leads 30.0 to 21.6.
Side by side
| Gemini 2.0 Pro | GPT-5-Codex | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 38.6 | 37.3 |
| Released | 2025-02-05 | 2025-09-15 |
| Weights | Proprietary | Proprietary |
| Context window | — | 400K |
| Max output | — | 128K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $10 |
| Results tracked | 14 | 3 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GPT-5-Codex leads
Gemini 2.0 Pro: 37.4 (#182), GPT-5-Codex: 41.9 (#100)
| Benchmark | Gemini 2.0 Pro | GPT-5-Codex |
|---|---|---|
| Aider Polyglot | 35.6% | — |
| WeirdML | — | 54.5% |
| LiveBench Coding | 63.5% | — |
Agentic & Tool Use Not comparable
Gemini 2.0 Pro: —, GPT-5-Codex: 30.8 (#66)
| Benchmark | Gemini 2.0 Pro | GPT-5-Codex |
|---|---|---|
| Terminal-Bench | — | 44.3% |
Reasoning GPT-5-Codex leads
Gemini 2.0 Pro: 21.6 (#194), GPT-5-Codex: 30.0 (#80)
| Benchmark | Gemini 2.0 Pro | GPT-5-Codex |
|---|---|---|
| Kagi LLM Benchmark | — | 70.3% |
| 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: 37.1 (#101), GPT-5-Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5-Codex |
|---|---|---|
| LiveBench Math | 71% | — |
| MATH Level 5 | 83.5% | — |
Knowledge Not comparable
Gemini 2.0 Pro: 36.5 (#156), GPT-5-Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5-Codex |
|---|---|---|
| GPQA Diamond | 65.7% | — |
| Confabulations | 18.4% | — |
Instruction Following Not comparable
Gemini 2.0 Pro: 75.6 (#57), GPT-5-Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5-Codex |
|---|---|---|
| LiveBench Instruction Following | 83.4% | — |
Long Context Not comparable
Gemini 2.0 Pro: 29.1 (#287), GPT-5-Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5-Codex |
|---|---|---|
| Fiction.LiveBench | 41.7% | — |
Writing & Preference Not comparable
Gemini 2.0 Pro: 52.7 (#164), GPT-5-Codex: —
| Benchmark | Gemini 2.0 Pro | GPT-5-Codex |
|---|---|---|
| LiveBench Language | 44.9% | — |
Frequently asked questions
Is Gemini 2.0 Pro better than GPT-5-Codex?
Gemini 2.0 Pro is the stronger model overall, scoring 38.6 to 37.3 on the Noometry Index.
Is Gemini 2.0 Pro or GPT-5-Codex better for coding?
GPT-5-Codex scores higher on coding benchmarks: 41.9 versus 37.4 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Pro and GPT-5-Codex share?
0 benchmarks have published results for both models. Gemini 2.0 Pro has 14 scored results on Noometry and GPT-5-Codex has 3.