ClaudevsGrok

Claude Sonnet 4.6 vs Grok 4.3

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

Claude Sonnet 4.6

Mid-tier

Grok 4.3

Mid-tier
Input $/MTok
$3.00
$1.25
Output $/MTok
$15.00
$2.50
Cache discount
90% 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
92
vs
0
Code Review
95
vs
0
Summarization
90
vs
0
Q&A
88
vs
0
Extraction
86
vs
0
Reasoning
88
vs
0
Classification
84
vs
0
Creative Writing
85
vs
0
Claude Sonnet 4.6
Grok 4.3

Guidance

When to use Claude Sonnet 4.6 vs Grok 4.3

Choose Claude Sonnet 4.6 when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose Grok 4.3 when...

  • -Cost matters: 58% 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.
Claude Sonnet 4.6
Grok 4.3
100K tokens
$0.66
$0.16Cheaper
1M tokens
$6.60
$3.25Cheaper
10M tokens
$66.00
$32.50Cheaper

FAQ

When should I use Claude Sonnet 4.6 instead of Grok 4.3?

Claude Sonnet 4.6 and Grok 4.3 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Grok 4.3 cheaper than Claude Sonnet 4.6?

Yes. Grok 4.3 input costs $1.25/MTok vs $3.00/MTok for Claude Sonnet 4.6, saving 58% on input.

What are the context window sizes for Claude Sonnet 4.6 and Grok 4.3?

Claude Sonnet 4.6 has a 200K token context window. Grok 4.3 has a 1,000K token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.