Head-to-head · frontier vs frontier

Gemini 3 Pro Vision vs o4 Vision: which model should you choose?

We compared Gemini 3 Pro Vision and o4 Vision on price, context window and 12 benchmarks. Gemini 3 Pro Vision has the stronger average benchmark score; Gemini 3 Pro Vision is cheaper on a blended 3:1 basis.

Google DeepMind

Gemini 3 Pro Vision

Gemini 3 Pro Vision is a frontier model from Google DeepMind. It offers a 200,000-token context window, costs $17.59 per million input tokens and $68.83 per million output tokens, and averages 85.5 across the index's benchmark suite.

Input
$17.59 / 1M
Output
$68.83 / 1M
Context
200,000
Avg score
85.5
Open weights
No
Full Gemini 3 Pro Vision page
OpenAI

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
Full o4 Vision page

Specification comparison

SpecGemini 3 Pro Visiono4 VisionEdge
Input price / 1M$17.59$17.01B
Output price / 1M$68.83$90.05A
Context window200,000200,000Tie
Max output128,0004,096A
Average score85.584.5A
Arena Elo1458.11473.2B
Open weightsNoNoTie

Benchmark comparison

Gemini 3 Pro Vision wins 6, o4 Vision wins 6, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkGemini 3 Pro Visiono4 VisionGapWinner
MMLU-Pro87.384.23.1Gemini 3 Pro Vision
GPQA Diamond80.680.90.3o4 Vision
SWE-bench Verified76.575.60.9Gemini 3 Pro Vision
HumanEval91.688.92.7Gemini 3 Pro Vision
MATH-50088.491.73.3o4 Vision
AIME 202587.380.46.9Gemini 3 Pro Vision
LiveCodeBench79.281.32.1o4 Vision
IFEval90.489.11.3Gemini 3 Pro Vision
TruthfulQA84.585.30.8o4 Vision
HellaSwag91.191.20.1o4 Vision
MMMU83.680.72.9Gemini 3 Pro Vision
Arena Elo1458.11473.215.1o4 Vision

Price analysis

On a blended 3:1 input-to-output basis, Gemini 3 Pro Vision costs about $30.40 per million tokens and o4 Vision costs about $35.27. Gemini 3 Pro Vision is roughly 14% 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 Pro Vision wins 6, o4 Vision wins 6, and 0 are tied. On the index average, Gemini 3 Pro Vision leads o4 Vision by 1.0 points (85.5 versus 84.5).

The price picture favours Gemini 3 Pro Vision. 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 Gemini 3 Pro Vision for quality-sensitive work, and check whether its price holds at your expected volume before committing.

Choose Gemini 3 Pro Vision if

  • You want the higher average benchmark score in this index.
  • Unit cost matters and you want the cheaper blended price.
  • You need the larger 128,000-token output limit.

Choose o4 Vision if

  • You prefer OpenAI's tooling or already use it.

FAQ

Is Gemini 3 Pro Vision better than o4 Vision?

On the index average, Gemini 3 Pro Vision leads o4 Vision by 1.0 points (85.5 versus 84.5). The better choice depends on price, context and your task. Gemini 3 Pro Vision wins 6 benchmarks, o4 Vision wins 6.

Which is cheaper, Gemini 3 Pro Vision or o4 Vision?

Gemini 3 Pro Vision is cheaper on a blended 3:1 basis at about $30.40 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 Pro Vision is proprietary; o4 Vision is proprietary.

Which should I choose for production?

If you need a single default, start with Gemini 3 Pro Vision for quality-sensitive work, and check whether its price holds at your expected volume before committing.

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