Head-to-head · frontier vs frontier

Gemini 2.5 Pro Pro vs GPT-4.1 Max: which model should you choose?

We compared Gemini 2.5 Pro Pro and GPT-4.1 Max on price, context window and 12 benchmarks. GPT-4.1 Max has the stronger average benchmark score; GPT-4.1 Max is cheaper on a blended 3:1 basis.

Google DeepMind

Gemini 2.5 Pro Pro

Gemini 2.5 Pro Pro is a frontier model from Google DeepMind. It offers a 400,000-token context window, costs $17.16 per million input tokens and $90.89 per million output tokens, and averages 83.6 across the index's benchmark suite.

Input
$17.16 / 1M
Output
$90.89 / 1M
Context
400,000
Avg score
83.6
Open weights
No
Full Gemini 2.5 Pro Pro page
OpenAI

GPT-4.1 Max

GPT-4.1 Max is a frontier model from OpenAI. It offers a 400,000-token context window, costs $17.34 per million input tokens and $66.38 per million output tokens, and averages 84.7 across the index's benchmark suite.

Input
$17.34 / 1M
Output
$66.38 / 1M
Context
400,000
Avg score
84.7
Open weights
No
Full GPT-4.1 Max page

Specification comparison

SpecGemini 2.5 Pro ProGPT-4.1 MaxEdge
Input price / 1M$17.16$17.34A
Output price / 1M$90.89$66.38B
Context window400,000400,000Tie
Max output8,1928,192Tie
Average score83.684.7B
Arena Elo1460.21467.6B
Open weightsNoNoTie

Benchmark comparison

Gemini 2.5 Pro Pro wins 2, GPT-4.1 Max wins 10, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkGemini 2.5 Pro ProGPT-4.1 MaxGapWinner
MMLU-Pro85.287.42.2GPT-4.1 Max
GPQA Diamond81.681.20.4Gemini 2.5 Pro Pro
SWE-bench Verified72.174.82.7GPT-4.1 Max
HumanEval88.488.80.4GPT-4.1 Max
MATH-50086.887.30.5GPT-4.1 Max
AIME 202583.384.91.6GPT-4.1 Max
LiveCodeBench76.578.52.0GPT-4.1 Max
IFEval92.092.10.1GPT-4.1 Max
TruthfulQA85.585.40.1Gemini 2.5 Pro Pro
HellaSwag90.690.70.1GPT-4.1 Max
MMMU78.180.52.4GPT-4.1 Max
Arena Elo1460.21467.67.4GPT-4.1 Max

Price analysis

On a blended 3:1 input-to-output basis, Gemini 2.5 Pro Pro costs about $35.59 per million tokens and GPT-4.1 Max costs about $29.60. GPT-4.1 Max is roughly 17% cheaper than Gemini 2.5 Pro Pro. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.

Both models list a 400,000-token context window. That is enough for long documents, large codebases and multi-step agent traces.

Verdict

Across 12 shared benchmarks, Gemini 2.5 Pro Pro wins 2, GPT-4.1 Max wins 10, and 0 are tied. On the index average, GPT-4.1 Max leads Gemini 2.5 Pro Pro by 1.1 points (84.7 versus 83.6).

The price picture favours GPT-4.1 Max. 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 GPT-4.1 Max for quality-sensitive work, and check whether its price holds at your expected volume before committing.

Choose Gemini 2.5 Pro Pro if

  • You prefer Google DeepMind's tooling or already use it.

Choose GPT-4.1 Max if

  • You want the higher average benchmark score in this index.
  • Unit cost matters and you want the cheaper blended price.

FAQ

Is Gemini 2.5 Pro Pro better than GPT-4.1 Max?

On the index average, GPT-4.1 Max leads Gemini 2.5 Pro Pro by 1.1 points (84.7 versus 83.6). The better choice depends on price, context and your task. Gemini 2.5 Pro Pro wins 2 benchmarks, GPT-4.1 Max wins 10.

Which is cheaper, Gemini 2.5 Pro Pro or GPT-4.1 Max?

GPT-4.1 Max is cheaper on a blended 3:1 basis at about $29.60 per million tokens, versus $35.59 for Gemini 2.5 Pro Pro.

Which has the larger context window?

Both models list a 400,000-token context window.

Are these models open weights?

Gemini 2.5 Pro Pro is proprietary; GPT-4.1 Max is proprietary.

Which should I choose for production?

If you need a single default, start with GPT-4.1 Max for quality-sensitive work, and check whether its price holds at your expected volume before committing.

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