tokevenGrokvsGrok
Grok 4.20 Reasoning vs Grok 4.7
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Grok 4.20 Reasoning
Mid-tierGrok 4.7
FlagshipInput $/MTok
$1.25
$2.00
Output $/MTok
$2.50
$6.00
Cache discount
84% off
75% off
Context
1,000K
500K
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 4.20 Reasoning
Grok 4.7
Guidance
When to use Grok 4.20 Reasoning vs Grok 4.7
Choose Grok 4.20 Reasoning when...
- -Cost matters: 38% cheaper on input tokens
- -You need a larger context window (1,000K vs 500K)
Choose Grok 4.7 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.
Grok 4.20 Reasoning
Grok 4.7
100K tokens
$0.16Cheaper
$0.32
1M tokens
$3.25Cheaper
$6.40
10M tokens
$32.50Cheaper
$64.00
FAQ
When should I use Grok 4.20 Reasoning instead of Grok 4.7?
Grok 4.20 Reasoning and Grok 4.7 perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Grok 4.7 cheaper than Grok 4.20 Reasoning?
Grok 4.7 input costs $2.00/MTok, which is 60% more than Grok 4.20 Reasoning at $1.25/MTok.
What are the context window sizes for Grok 4.20 Reasoning and Grok 4.7?
Grok 4.20 Reasoning has a 1,000K token context window. Grok 4.7 has a 500K 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 Grok 4.20 Reasoning and Grok 4.7 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.