tokevenGPTvsGrok
o3 Mini 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
o3 Mini
Fast / BudgetGrok 4.20 Non-Reasoning
Mid-tierInput $/MTok
$1.10
$1.25
Output $/MTok
$4.40
$2.50
Cache discount
50% off
84% off
Context
200K
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
o3 Mini
Grok 4.20 Non-Reasoning
Guidance
When to use o3 Mini vs Grok 4.20 Non-Reasoning
Choose o3 Mini when...
- -Cost matters: 12% cheaper on input tokens
Choose Grok 4.20 Non-Reasoning when...
- -You need a larger context window (1,000K vs 200K)
- 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.
o3 Mini
Grok 4.20 Non-Reasoning
100K tokens
$0.21
$0.16Cheaper
1M tokens
$2.09Cheaper
$3.25
10M tokens
$20.90Cheaper
$32.50
FAQ
When should I use o3 Mini instead of Grok 4.20 Non-Reasoning?
o3 Mini 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 o3 Mini?
Grok 4.20 Non-Reasoning input costs $1.25/MTok, which is 14% more than o3 Mini at $1.10/MTok.
What are the context window sizes for o3 Mini and Grok 4.20 Non-Reasoning?
o3 Mini has a 200K token context window. Grok 4.20 Non-Reasoning has a 1,000K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How o3 Mini and Grok 4.20 Non-Reasoning stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.