Gemini 3.5 Flash vs GPT-4.1
Head to head on 10 shared benchmarks, with price, context window, and release dates.
Benchmark scores
57evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gemini 3.5 Flash Google (Alphabet Inc.) | 64.7% | 39.0% | 92.2% | 42.7% | 76.3% | 68.1% | 53.1% | 74.4% | 40.9% | 95.3% | - | - | - | - | - | - | - | - | - | 26.0% | - | 1087elo | - | 71.8 | 57.9% | - | 78.9% | 78.2% | 64.9% | 75.6% | 84.6% | 88.2% | 82.0% | - | - | - | - | - | 76.3% | - | - | 55.8% | - | 76.6% | - | - | 31.0% | 49.9% | - | - | - | - | 53.1% | 62.9% | 48.7% | - | - | 64.3% |
| GPT-4.1 OpenAI | 63.1% | 5.5% | 66.6% | 4.2% | 43.0% | 65.9% | 38.1% | 75.1% | 13.6% | 47.1% | 0.0% | 52.4% | 43.7% | 34.7% | 26.7% | 61.5% | 1.64 | 83.7% | 1.55 | - | 12.4% | - | 1417elo | - | - | 60.9% | - | - | - | - | - | - | - | 45.7% | 70.8% | 0.49 | 0.49 | 91.3% | - | 32.1% | 32.1% | - | 69.4% | - | 80.6% | 50.5% | - | - | 8.57 | 31.1% | 39.6% | 10.0% | - | - | - | 92.0% | 92.0% | 48.0% |
2 / 2 models
| Attribute | Gemini 3.5 Flash Google (Alphabet Inc.) | GPT-4.1 OpenAI |
|---|---|---|
| Description | Gemini 3.5 Flash is an AI model from Google (Alphabet Inc.). | GPT-4.1 is an AI model from OpenAI. |
| Family | Gemini | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 19 May 2026 | 14 Apr 2025 |
| Context | 1,048,576 | 1,047,576 |
| Input $/1M | $1.50 | $2.00 |
| Output $/1M | $9.00 | $8.00 |
| Cache read $/1M | $0.150 | $0.500 |
| 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 | image, text, file |
| 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% | ScholarSearch8.57 Social Sciences & Humanities (%) GPQA Diamond66.6% (AA) Humanity's Last Exam (HLE)4.2% (AA) IFBench43.0% (AA) |
FAQ
- Is Gemini 3.5 Flash or GPT-4.1 better?
- Across the 10 benchmarks both models report on Sophon, Gemini 3.5 Flash leads on 9 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-4.1 compare on GPQA Diamond?
- Gemini 3.5 Flash scores 92.2% and GPT-4.1 scores 66.6% on GPQA Diamond.
- Which is cheaper, Gemini 3.5 Flash or GPT-4.1?
- GPT-4.1 is cheaper at $8.00 per million output tokens against $9.00 for Gemini 3.5 Flash - about 1.1x.
- When were Gemini 3.5 Flash and GPT-4.1 released?
- Gemini 3.5 Flash was released 19 May 2026 by Google (Alphabet Inc.). GPT-4.1 was released 14 Apr 2025 by OpenAI.
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