GeminivsGrok

Gemini 3.1 Pro vs Grok Build 0.1

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

Gemini 3.1 Pro

Mid-tier

Grok Build 0.1

Fast / Budget
Input $/MTok
$2.00
$1.00
Output $/MTok
$12.00
$2.00
Cache discount
90% off
80% off
Context
1.0M
256K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
57
vs
54
Code Review
84
vs
0
Summarization
80
vs
63
Q&A
87
vs
0
Extraction
75
vs
71
Reasoning
84
vs
76
Classification
86
vs
0
Creative Writing
77
vs
73
Gemini 3.1 Pro
Grok Build 0.1

Guidance

When to use Gemini 3.1 Pro vs Grok Build 0.1

Choose Gemini 3.1 Pro when...

  • -You need strong reasoning (confidence 84 vs 76)
  • -You need strong summarization (confidence 80 vs 63)
  • -You need strong creative writing (confidence 77 vs 73)
  • -You need strong extraction (confidence 75 vs 71)
  • -You need a larger context window (1.0M vs 256K)

Choose Grok Build 0.1 when...

  • -Cost matters: 50% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Gemini 3.1 Pro
Grok Build 0.1
100K tokens
$0.50
$0.13Cheaper
1M tokens
$8.20
$2.60Cheaper
10M tokens
$82.00
$26.00Cheaper

FAQ

When should I use Gemini 3.1 Pro instead of Grok Build 0.1?

Gemini 3.1 Pro outperforms Grok Build 0.1 for Code Generation, Summarization, Extraction. It costs $2.00/$12.00 per million tokens (input/output).

Is Grok Build 0.1 cheaper than Gemini 3.1 Pro?

Yes. Grok Build 0.1 input costs $1.00/MTok vs $2.00/MTok for Gemini 3.1 Pro, saving 50% on input.

What are the context window sizes for Gemini 3.1 Pro and Grok Build 0.1?

Gemini 3.1 Pro has a 1.0M token context window. Grok Build 0.1 has a 256K token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.