Gemini 3.5 Flash vs GPT-5.2
Head to head on 25 shared benchmarks, with price, context window, and release dates.
Benchmark scores
47evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gemini 3.5 Flash Google (Alphabet Inc.) | 64.7% | 26.0% | 71.8 | 39.0% | 92.2% | 42.7% | 76.3% | 78.9% | 78.2% | 64.9% | 75.6% | 84.6% | 88.2% | 82.0% | 76.3% | 55.8% | 76.6% | 68.1% | 31.0% | 49.9% | 53.1% | 74.4% | 40.9% | 48.7% | 95.3% | - | - | - | - | - | - | - | 1087elo | - | 57.9% | - | - | - | - | - | - | - | - | - | - | 53.1% | 62.9% | 64.3% |
| GPT-5.2 OpenAI | 65.9% | 60.0% | 71.6 | 40.7% | 90.3% | 37.7% | 75.4% | 78.7% | 76.1% | 78.2% | 61.8% | 79.8% | 93.2% | 83.2% | 72.0% | 49.7% | 84.4% | 67.1% | 15.0% | 49.3% | 52.1% | 75.8% | 47.0% | 53.5% | 84.8% | 99.0% | 100 | 100.0% | 0.0% | 16.7% | 40.6% | 9.4% | - | 1699elo | - | 12.93 | 85.0% | 79.0% | 88.9% | 24.0% | 87.4% | 96.7 | 18.7% | 66.7% | 71.8% | - | - | 62.1% |
2 / 2 models
| Attribute | Gemini 3.5 Flash Google (Alphabet Inc.) | GPT-5.2 OpenAI |
|---|---|---|
| Description | Gemini 3.5 Flash is an AI model from Google (Alphabet Inc.). | GPT-5.2 is an AI model from OpenAI. |
| Family | Gemini | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 19 May 2026 | 11 Dec 2025 |
| Context | 1,048,576 | 400,000 |
| Input $/1M | $1.50 | $1.75 |
| Output $/1M | $9.00 | $14.00 |
| Cache read $/1M | $0.150 | $0.175 |
| Cache write $/1M | $0.083 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, video, file, audio | file, image, text |
| Providers | - | - |
| Publisher | Google (Alphabet Inc.) | OpenAI |
| Reported scores | Humanity's Last Exam (HLE)42.7% (AA) τ²-bench (Tau²-bench)95.3% (AA) Terminal-Bench (Hard)40.9% (AA) Vals Index53.1% |
FAQ
- Is Gemini 3.5 Flash or GPT-5.2 better?
- Across the 25 benchmarks both models report on Sophon, Gemini 3.5 Flash leads on 15 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Gemini 3.5 Flash and GPT-5.2 compare on GPQA Diamond?
- Gemini 3.5 Flash scores 92.2% and GPT-5.2 scores 90.3% on GPQA Diamond.
- Which is cheaper, Gemini 3.5 Flash or GPT-5.2?
- Gemini 3.5 Flash is cheaper at $9.00 per million output tokens against $14.00 for GPT-5.2 - about 1.6x.
- When were Gemini 3.5 Flash and GPT-5.2 released?
- Gemini 3.5 Flash was released 19 May 2026 by Google (Alphabet Inc.). GPT-5.2 was released 11 Dec 2025 by OpenAI.
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