Gemini 3 Flash Turbo vs o4 Vision: which model should you choose?
We compared Gemini 3 Flash Turbo and o4 Vision on price, context window and 12 benchmarks. o4 Vision has the stronger average benchmark score; Gemini 3 Flash Turbo is cheaper on a blended 3:1 basis.
Gemini 3 Flash Turbo
Gemini 3 Flash Turbo is a frontier model from Google DeepMind. It offers a 200,000-token context window, costs $17.07 per million input tokens and $69.05 per million output tokens, and averages 84.1 across the index's benchmark suite.
- Input
- $17.07 / 1M
- Output
- $69.05 / 1M
- Context
- 200,000
- Avg score
- 84.1
- Open weights
- No
o4 Vision
o4 Vision is a frontier model from OpenAI. It offers a 200,000-token context window, costs $17.01 per million input tokens and $90.05 per million output tokens, and averages 84.5 across the index's benchmark suite.
- Input
- $17.01 / 1M
- Output
- $90.05 / 1M
- Context
- 200,000
- Avg score
- 84.5
- Open weights
- No
Specification comparison
| Spec | Gemini 3 Flash Turbo | o4 Vision | Edge |
|---|---|---|---|
| Input price / 1M | $17.07 | $17.01 | B |
| Output price / 1M | $69.05 | $90.05 | A |
| Context window | 200,000 | 200,000 | Tie |
| Max output | 16,384 | 4,096 | A |
| Average score | 84.1 | 84.5 | B |
| Arena Elo | 1473.4 | 1473.2 | A |
| Open weights | No | No | Tie |
Benchmark comparison
Gemini 3 Flash Turbo wins 6, o4 Vision wins 6, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | Gemini 3 Flash Turbo | o4 Vision | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 87.9 | 84.2 | 3.7 | Gemini 3 Flash Turbo |
| GPQA Diamond | 77.5 | 80.9 | 3.4 | o4 Vision |
| SWE-bench Verified | 72.5 | 75.6 | 3.1 | o4 Vision |
| HumanEval | 90.6 | 88.9 | 1.7 | Gemini 3 Flash Turbo |
| MATH-500 | 87.6 | 91.7 | 4.1 | o4 Vision |
| AIME 2025 | 81.3 | 80.4 | 0.9 | Gemini 3 Flash Turbo |
| LiveCodeBench | 78.5 | 81.3 | 2.8 | o4 Vision |
| IFEval | 88.9 | 89.1 | 0.2 | o4 Vision |
| TruthfulQA | 87.4 | 85.3 | 2.1 | Gemini 3 Flash Turbo |
| HellaSwag | 89.5 | 91.2 | 1.7 | o4 Vision |
| MMMU | 83.0 | 80.7 | 2.3 | Gemini 3 Flash Turbo |
| Arena Elo | 1473.4 | 1473.2 | 0.2 | Gemini 3 Flash Turbo |
Price analysis
On a blended 3:1 input-to-output basis, Gemini 3 Flash Turbo costs about $30.06 per million tokens and o4 Vision costs about $35.27. Gemini 3 Flash Turbo is roughly 15% cheaper than o4 Vision. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
Both models list a 200,000-token context window. That is enough for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, Gemini 3 Flash Turbo wins 6, o4 Vision wins 6, and 0 are tied. On the index average, o4 Vision leads Gemini 3 Flash Turbo by 0.4 points (84.5 versus 84.1).
The price picture favours Gemini 3 Flash Turbo. The context picture is effectively a tie. Those two dimensions often matter more than a few benchmark points once a model is good enough for the task.
If you need a single default, start with o4 Vision for quality-sensitive work and Gemini 3 Flash Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.
Choose Gemini 3 Flash Turbo if
- Unit cost matters and you want the cheaper blended price.
- You need the larger 16,384-token output limit.
Choose o4 Vision if
- You want the higher average benchmark score in this index.
FAQ
Is Gemini 3 Flash Turbo better than o4 Vision?
On the index average, o4 Vision leads Gemini 3 Flash Turbo by 0.4 points (84.5 versus 84.1). The better choice depends on price, context and your task. Gemini 3 Flash Turbo wins 6 benchmarks, o4 Vision wins 6.
Which is cheaper, Gemini 3 Flash Turbo or o4 Vision?
Gemini 3 Flash Turbo is cheaper on a blended 3:1 basis at about $30.06 per million tokens, versus $35.27 for o4 Vision.
Which has the larger context window?
Both models list a 200,000-token context window.
Are these models open weights?
Gemini 3 Flash Turbo is proprietary; o4 Vision is proprietary.
Which should I choose for production?
If you need a single default, start with o4 Vision for quality-sensitive work and Gemini 3 Flash Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.