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
1M
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
61
vs
39
Code Review
0
vs
0
Summarization
71
vs
60
Q&A
0
vs
0
Extraction
72
vs
70
Reasoning
87
vs
71
Classification
0
vs
0
Creative Writing
74
vs
71
Grok 4.5
Grok 4.3
Guidance
When to use Grok 4.5 vs Grok 4.3
Choose Grok 4.5 when...
- -You need strong reasoning (confidence 87 vs 71)
- -You need strong creative writing (confidence 74 vs 71)
- -You need strong extraction (confidence 72 vs 70)
- -You need strong summarization (confidence 71 vs 60)
Choose Grok 4.3 when...
- -Cost matters: 38% cheaper on input tokens
- -You need a larger context window (1M 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 outperforms Grok 4.3 for Code Generation, Summarization, Extraction. It costs $2.00/$6.00 per million tokens (input/output).
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 1M 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.