tokevenClaudevsGPT
Claude Sonnet 4.6 vs GPT 5.6 Sol
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Sonnet 4.6
Mid-tierGPT 5.6 Sol
FlagshipInput $/MTok
$3.00
$4.00
Output $/MTok
$15.00
$20.00
Cache discount
90% off
90% off
Context
1M
922K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
57
vs
67
Code Review
95
vs
92
Summarization
61
vs
70
Q&A
88
vs
91
Extraction
71
vs
75
Reasoning
85
vs
92
Classification
84
vs
86
Creative Writing
69
vs
76
Claude Sonnet 4.6
GPT 5.6 Sol
Guidance
When to use Claude Sonnet 4.6 vs GPT 5.6 Sol
Choose Claude Sonnet 4.6 when...
- -You need strong code review (confidence 95 vs 92)
- -Cost matters: 25% cheaper on input tokens
- -You need a larger context window (1M vs 922K)
Choose GPT 5.6 Sol when...
- -You need strong reasoning (confidence 92 vs 85)
- -You need strong q&a (confidence 91 vs 88)
- -You need strong classification (confidence 86 vs 84)
- -You need strong creative writing (confidence 76 vs 69)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Sonnet 4.6
GPT 5.6 Sol
100K tokens
$0.66Cheaper
$0.88
1M tokens
$6.60Cheaper
$14.60
10M tokens
$66.00Cheaper
$146.00
FAQ
When should I use Claude Sonnet 4.6 instead of GPT 5.6 Sol?
Claude Sonnet 4.6 outperforms GPT 5.6 Sol for Code Review. It costs $3.00/$15.00 per million tokens (input/output).
Is GPT 5.6 Sol cheaper than Claude Sonnet 4.6?
GPT 5.6 Sol input costs $4.00/MTok, which is 33% more than Claude Sonnet 4.6 at $3.00/MTok.
What are the context window sizes for Claude Sonnet 4.6 and GPT 5.6 Sol?
Claude Sonnet 4.6 has a 1M token context window. GPT 5.6 Sol has a 922K 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 Claude Sonnet 4.6 and GPT 5.6 Sol 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.