GeminivsGrok

Gemini 3.5 Flash 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 3.5 Flash

Fast / Budget

Grok Build 0.1

Fast / Budget
Input $/MTok
$1.50
$1.00
Output $/MTok
$9.00
$2.00
Cache discount
90% off
80% off
Context
1,000K
256K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
68
vs
0
Code Review
65
vs
0
Summarization
85
vs
0
Q&A
84
vs
0
Extraction
90
vs
0
Reasoning
60
vs
0
Classification
92
vs
0
Creative Writing
55
vs
0
Gemini 3.5 Flash
Grok Build 0.1

Guidance

When to use Gemini 3.5 Flash vs Grok Build 0.1

Choose Gemini 3.5 Flash when...

  • -You need a larger context window (1,000K vs 256K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose Grok Build 0.1 when...

  • -Cost matters: 33% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Gemini 3.5 Flash
Grok Build 0.1
100K tokens
$0.38
$0.13Cheaper
1M tokens
$3.75
$2.60Cheaper
10M tokens
$37.50
$26.00Cheaper

FAQ

When should I use Gemini 3.5 Flash instead of Grok Build 0.1?

Gemini 3.5 Flash and Grok Build 0.1 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Grok Build 0.1 cheaper than Gemini 3.5 Flash?

Yes. Grok Build 0.1 input costs $1.00/MTok vs $1.50/MTok for Gemini 3.5 Flash, saving 33% on input.

What are the context window sizes for Gemini 3.5 Flash and Grok Build 0.1?

Gemini 3.5 Flash has a 1,000K 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.