Head-to-head · frontier vs frontier

Gemini 3 Pro Turbo vs Grok 4 Max: which model should you choose?

We compared Gemini 3 Pro Turbo and Grok 4 Max on price, context window and 12 benchmarks. Grok 4 Max has the stronger average benchmark score; Gemini 3 Pro Turbo is cheaper on a blended 3:1 basis.

Google DeepMind

Gemini 3 Pro Turbo

Gemini 3 Pro Turbo is a frontier model from Google DeepMind. It offers a 400,000-token context window, costs $19.62 per million input tokens and $89.91 per million output tokens, and averages 86.4 across the index's benchmark suite.

Input
$19.62 / 1M
Output
$89.91 / 1M
Context
400,000
Avg score
86.4
Open weights
No
Full Gemini 3 Pro Turbo page
xAI

Grok 4 Max

Grok 4 Max is a frontier model from xAI. It offers a 2,000,000-token context window, costs $19.70 per million input tokens and $98.29 per million output tokens, and averages 86.6 across the index's benchmark suite.

Input
$19.70 / 1M
Output
$98.29 / 1M
Context
2,000,000
Avg score
86.6
Open weights
No
Full Grok 4 Max page

Specification comparison

SpecGemini 3 Pro TurboGrok 4 MaxEdge
Input price / 1M$19.62$19.70A
Output price / 1M$89.91$98.29A
Context window400,0002,000,000B
Max output16,38416,384Tie
Average score86.486.6B
Arena Elo1494.91491.4A
Open weightsNoNoTie

Benchmark comparison

Gemini 3 Pro Turbo wins 7, Grok 4 Max wins 5, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkGemini 3 Pro TurboGrok 4 MaxGapWinner
MMLU-Pro85.687.82.2Grok 4 Max
GPQA Diamond81.082.01.0Grok 4 Max
SWE-bench Verified77.474.33.1Gemini 3 Pro Turbo
HumanEval90.393.43.1Grok 4 Max
MATH-50092.494.62.2Grok 4 Max
AIME 202582.887.34.5Grok 4 Max
LiveCodeBench82.781.31.4Gemini 3 Pro Turbo
IFEval93.492.50.9Gemini 3 Pro Turbo
TruthfulQA87.885.82.0Gemini 3 Pro Turbo
HellaSwag94.694.10.5Gemini 3 Pro Turbo
MMMU82.780.02.7Gemini 3 Pro Turbo
Arena Elo1494.91491.43.5Gemini 3 Pro Turbo

Price analysis

On a blended 3:1 input-to-output basis, Gemini 3 Pro Turbo costs about $37.19 per million tokens and Grok 4 Max costs about $39.35. Gemini 3 Pro Turbo is roughly 5% cheaper than Grok 4 Max. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.

Grok 4 Max has the larger context window at 2,000,000 tokens, compared with 400,000 for Gemini 3 Pro Turbo. That matters for long documents, large codebases and multi-step agent traces.

Verdict

Across 12 shared benchmarks, Gemini 3 Pro Turbo wins 7, Grok 4 Max wins 5, and 0 are tied. On the index average, Grok 4 Max leads Gemini 3 Pro Turbo by 0.2 points (86.6 versus 86.4).

The price picture favours Gemini 3 Pro Turbo. The context picture favours Grok 4 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 Grok 4 Max for quality-sensitive work and Gemini 3 Pro Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.

Choose Gemini 3 Pro Turbo if

  • Unit cost matters and you want the cheaper blended price.

Choose Grok 4 Max if

  • You want the higher average benchmark score in this index.
  • You need the larger 2,000,000-token context window.

FAQ

Is Gemini 3 Pro Turbo better than Grok 4 Max?

On the index average, Grok 4 Max leads Gemini 3 Pro Turbo by 0.2 points (86.6 versus 86.4). The better choice depends on price, context and your task. Gemini 3 Pro Turbo wins 7 benchmarks, Grok 4 Max wins 5.

Which is cheaper, Gemini 3 Pro Turbo or Grok 4 Max?

Gemini 3 Pro Turbo is cheaper on a blended 3:1 basis at about $37.19 per million tokens, versus $39.35 for Grok 4 Max.

Which has the larger context window?

Grok 4 Max has the larger context window at 2,000,000 tokens. Gemini 3 Pro Turbo has 400,000 tokens.

Are these models open weights?

Gemini 3 Pro Turbo is proprietary; Grok 4 Max is proprietary.

Which should I choose for production?

If you need a single default, start with Grok 4 Max for quality-sensitive work and Gemini 3 Pro Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.

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