tokevenGPTvsGrok
o1 Pro 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
o1 Pro
FlagshipGrok 4.20 Non-Reasoning
Mid-tierInput $/MTok
$150.00
$1.25
Output $/MTok
$600.00
$2.50
Cache discount
0% 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
o1 Pro
Grok 4.20 Non-Reasoning
Guidance
When to use o1 Pro vs Grok 4.20 Non-Reasoning
Choose o1 Pro when...
- Similar performance; consider provider preference or ecosystem fit.
Choose Grok 4.20 Non-Reasoning when...
- -Cost matters: 99% cheaper on input tokens
- -You need a larger context window (1,000K vs 200K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
o1 Pro
Grok 4.20 Non-Reasoning
100K tokens
$28.50
$0.16Cheaper
1M tokens
$285.00
$3.25Cheaper
10M tokens
$2850.00
$32.50Cheaper
FAQ
When should I use o1 Pro instead of Grok 4.20 Non-Reasoning?
o1 Pro 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 o1 Pro?
Yes. Grok 4.20 Non-Reasoning input costs $1.25/MTok vs $150.00/MTok for o1 Pro, saving 99% on input.
What are the context window sizes for o1 Pro and Grok 4.20 Non-Reasoning?
o1 Pro 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 o1 Pro 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.