GeminivsGrok

Gemini 2.5 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 2.5 Flash

Fast / Budget

Grok Build 0.1

Fast / Budget
Input $/MTok
$0.30
$1.00
Output $/MTok
$2.50
$2.00
Cache discount
90% off
80% off
Context
1,048.576K
256K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
Gemini 2.5 Flash
Grok Build 0.1

Guidance

When to use Gemini 2.5 Flash vs Grok Build 0.1

Choose Gemini 2.5 Flash when...

  • -Cost matters: 70% cheaper on input tokens
  • -You need a larger context window (1,048.576K vs 256K)

Choose Grok Build 0.1 when...

  • Similar performance; consider provider preference or ecosystem fit.

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Gemini 2.5 Flash
Grok Build 0.1
100K tokens
$0.10Cheaper
$0.13
1M tokens
$0.96Cheaper
$2.60
10M tokens
$9.60Cheaper
$26.00

FAQ

When should I use Gemini 2.5 Flash instead of Grok Build 0.1?

Gemini 2.5 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 2.5 Flash?

Grok Build 0.1 input costs $1.00/MTok, which is 233% more than Gemini 2.5 Flash at $0.30/MTok.

What are the context window sizes for Gemini 2.5 Flash and Grok Build 0.1?

Gemini 2.5 Flash has a 1,048.576K 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.