GeminivsGrok

Gemini 3.1 Pro vs Grok 4.20 Multi-Agent

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 4.20 Multi-Agent

Mid-tier
Input $/MTok
$2.00
$1.25
Output $/MTok
$12.00
$2.50
Cache discount
90% off
84% off
Context
1,048.576K
1,000K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
86
vs
0
Code Review
84
vs
0
Summarization
87
vs
0
Q&A
87
vs
0
Extraction
85
vs
0
Reasoning
90
vs
0
Classification
86
vs
0
Creative Writing
84
vs
0
Gemini 3.1 Pro
Grok 4.20 Multi-Agent

Guidance

When to use Gemini 3.1 Pro vs Grok 4.20 Multi-Agent

Choose Gemini 3.1 Pro when...

  • -You need a larger context window (1,048.576K vs 1,000K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose Grok 4.20 Multi-Agent when...

  • -Cost matters: 38% 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 4.20 Multi-Agent
100K tokens
$0.50
$0.16Cheaper
1M tokens
$8.20
$3.25Cheaper
10M tokens
$82.00
$32.50Cheaper

FAQ

When should I use Gemini 3.1 Pro instead of Grok 4.20 Multi-Agent?

Gemini 3.1 Pro and Grok 4.20 Multi-Agent perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Grok 4.20 Multi-Agent cheaper than Gemini 3.1 Pro?

Yes. Grok 4.20 Multi-Agent input costs $1.25/MTok vs $2.00/MTok for Gemini 3.1 Pro, saving 38% on input.

What are the context window sizes for Gemini 3.1 Pro and Grok 4.20 Multi-Agent?

Gemini 3.1 Pro has a 1,048.576K token context window. Grok 4.20 Multi-Agent has a 1,000K token context window.

Track your real costs

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