GrokvsGrok

Grok Build 0.1 vs Grok 4.20 Non-Reasoning

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

Pricing

Side-by-side pricing

Grok Build 0.1

Fast / Budget

Grok 4.20 Non-Reasoning

Mid-tier
Input $/MTok
$1.00
$1.25
Output $/MTok
$2.00
$2.50
Cache discount
80% off
84% off
Context
256K
1,000K

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
Grok Build 0.1
Grok 4.20 Non-Reasoning

Guidance

When to use Grok Build 0.1 vs Grok 4.20 Non-Reasoning

Choose Grok Build 0.1 when...

  • -Cost matters: 20% cheaper on input tokens

Choose Grok 4.20 Non-Reasoning when...

  • -You need a larger context window (1,000K vs 256K)
  • 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.
Grok Build 0.1
Grok 4.20 Non-Reasoning
100K tokens
$0.13Cheaper
$0.16
1M tokens
$2.60Cheaper
$3.25
10M tokens
$26.00Cheaper
$32.50

FAQ

When should I use Grok Build 0.1 instead of Grok 4.20 Non-Reasoning?

Grok Build 0.1 and Grok 4.20 Non-Reasoning perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Grok 4.20 Non-Reasoning cheaper than Grok Build 0.1?

Grok 4.20 Non-Reasoning input costs $1.25/MTok, which is 25% more than Grok Build 0.1 at $1.00/MTok.

What are the context window sizes for Grok Build 0.1 and Grok 4.20 Non-Reasoning?

Grok Build 0.1 has a 256K token context window. Grok 4.20 Non-Reasoning 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.