Head-to-head · frontier vs frontier

Gemini 2.5 Pro Max vs Gemini 2.5 Pro Reasoning: which model should you choose?

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

Google DeepMind

Gemini 2.5 Pro Max

Gemini 2.5 Pro Max is a frontier model from Google DeepMind. It offers a 200,000-token context window, costs $16.94 per million input tokens and $64.80 per million output tokens, and averages 84.8 across the index's benchmark suite.

Input
$16.94 / 1M
Output
$64.80 / 1M
Context
200,000
Avg score
84.8
Open weights
No
Full Gemini 2.5 Pro Max page
Google DeepMind

Gemini 2.5 Pro Reasoning

Gemini 2.5 Pro Reasoning is a frontier model from Google DeepMind. It offers a 128,000-token context window, costs $16.81 per million input tokens and $67.95 per million output tokens, and averages 83.8 across the index's benchmark suite.

Input
$16.81 / 1M
Output
$67.95 / 1M
Context
128,000
Avg score
83.8
Open weights
No
Full Gemini 2.5 Pro Reasoning page

Specification comparison

SpecGemini 2.5 Pro MaxGemini 2.5 Pro ReasoningEdge
Input price / 1M$16.94$16.81B
Output price / 1M$64.80$67.95A
Context window200,000128,000A
Max output65,5364,096A
Average score84.883.8A
Arena Elo1450.21472.1B
Open weightsNoNoTie

Benchmark comparison

Gemini 2.5 Pro Max wins 7, Gemini 2.5 Pro Reasoning wins 5, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkGemini 2.5 Pro MaxGemini 2.5 Pro ReasoningGapWinner
MMLU-Pro86.786.80.1Gemini 2.5 Pro Reasoning
GPQA Diamond79.880.00.2Gemini 2.5 Pro Reasoning
SWE-bench Verified75.571.24.3Gemini 2.5 Pro Max
HumanEval87.086.70.3Gemini 2.5 Pro Max
MATH-50091.687.93.7Gemini 2.5 Pro Max
AIME 202582.684.21.6Gemini 2.5 Pro Reasoning
LiveCodeBench79.974.85.1Gemini 2.5 Pro Max
IFEval91.390.80.5Gemini 2.5 Pro Max
TruthfulQA85.584.01.5Gemini 2.5 Pro Max
HellaSwag92.992.10.8Gemini 2.5 Pro Max
MMMU79.782.83.1Gemini 2.5 Pro Reasoning
Arena Elo1450.21472.121.9Gemini 2.5 Pro Reasoning

Price analysis

On a blended 3:1 input-to-output basis, Gemini 2.5 Pro Max costs about $28.91 per million tokens and Gemini 2.5 Pro Reasoning costs about $29.59. Gemini 2.5 Pro Max is roughly 2% cheaper than Gemini 2.5 Pro Reasoning. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.

Gemini 2.5 Pro Max has the larger context window at 200,000 tokens, compared with 128,000 for Gemini 2.5 Pro Reasoning. That matters for long documents, large codebases and multi-step agent traces.

Verdict

Across 12 shared benchmarks, Gemini 2.5 Pro Max wins 7, Gemini 2.5 Pro Reasoning wins 5, and 0 are tied. On the index average, Gemini 2.5 Pro Max leads Gemini 2.5 Pro Reasoning by 1.0 points (84.8 versus 83.8).

The price picture favours Gemini 2.5 Pro Max. The context picture favours Gemini 2.5 Pro Max. 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 2.5 Pro Max for quality-sensitive work, and check whether its price holds at your expected volume before committing.

Choose Gemini 2.5 Pro Max 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 200,000-token context window.
  • You need the larger 65,536-token output limit.

Choose Gemini 2.5 Pro Reasoning if

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

FAQ

Is Gemini 2.5 Pro Max better than Gemini 2.5 Pro Reasoning?

On the index average, Gemini 2.5 Pro Max leads Gemini 2.5 Pro Reasoning by 1.0 points (84.8 versus 83.8). The better choice depends on price, context and your task. Gemini 2.5 Pro Max wins 7 benchmarks, Gemini 2.5 Pro Reasoning wins 5.

Which is cheaper, Gemini 2.5 Pro Max or Gemini 2.5 Pro Reasoning?

Gemini 2.5 Pro Max is cheaper on a blended 3:1 basis at about $28.91 per million tokens, versus $29.59 for Gemini 2.5 Pro Reasoning.

Which has the larger context window?

Gemini 2.5 Pro Max has the larger context window at 200,000 tokens. Gemini 2.5 Pro Reasoning has 128,000 tokens.

Are these models open weights?

Gemini 2.5 Pro Max is proprietary; Gemini 2.5 Pro Reasoning is proprietary.

Which should I choose for production?

If you need a single default, start with Gemini 2.5 Pro Max for quality-sensitive work, and check whether its price holds at your expected volume before committing.

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