tokevenGrokvsGrok
Grok 4.5 vs Grok 4.3
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Grok 4.5
FlagshipGrok 4.3
Mid-tierInput $/MTok
$2.00
$1.25
Output $/MTok
$6.00
$2.50
Cache discount
85% off
84% off
Context
500K
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 4.5
Grok 4.3
Guidance
When to use Grok 4.5 vs Grok 4.3
Choose Grok 4.5 when...
- Similar performance; consider provider preference or ecosystem fit.
Choose Grok 4.3 when...
- -Cost matters: 38% cheaper on input tokens
- -You need a larger context window (1,000K vs 500K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Grok 4.5
Grok 4.3
100K tokens
$0.32
$0.16Cheaper
1M tokens
$6.40
$3.25Cheaper
10M tokens
$64.00
$32.50Cheaper
FAQ
When should I use Grok 4.5 instead of Grok 4.3?
Grok 4.5 and Grok 4.3 perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Grok 4.3 cheaper than Grok 4.5?
Yes. Grok 4.3 input costs $1.25/MTok vs $2.00/MTok for Grok 4.5, saving 38% on input.
What are the context window sizes for Grok 4.5 and Grok 4.3?
Grok 4.5 has a 500K token context window. Grok 4.3 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 Grok 4.5 and Grok 4.3 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.