ClaudevsGPT

Claude Sonnet 5 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 5

Mid-tier

GPT 5.6 Sol

Flagship
Input $/MTok
$2.00
$5.00
Output $/MTok
$10.00
$30.00
Cache discount
90% off
90% 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
93
vs
94
Code Review
96
vs
92
Summarization
91
vs
90
Q&A
89
vs
91
Extraction
88
vs
88
Reasoning
90
vs
96
Classification
86
vs
86
Creative Writing
87
vs
92
Claude Sonnet 5
GPT 5.6 Sol

Guidance

When to use Claude Sonnet 5 vs GPT 5.6 Sol

Choose Claude Sonnet 5 when...

  • -You need strong code review (confidence 96 vs 92)
  • -You need strong summarization (confidence 91 vs 90)
  • -Cost matters: 60% cheaper on input tokens

Choose GPT 5.6 Sol when...

  • -You need strong reasoning (confidence 96 vs 90)
  • -You need strong code generation (confidence 94 vs 93)
  • -You need strong creative writing (confidence 92 vs 87)
  • -You need strong q&a (confidence 91 vs 89)
  • -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 5
GPT 5.6 Sol
100K tokens
$0.44Cheaper
$1.25
1M tokens
$4.40Cheaper
$12.50
10M tokens
$44.00Cheaper
$125.00

FAQ

When should I use Claude Sonnet 5 instead of GPT 5.6 Sol?

Claude Sonnet 5 outperforms GPT 5.6 Sol for Code Review, Summarization. It costs $2.00/$10.00 per million tokens (input/output).

Is GPT 5.6 Sol cheaper than Claude Sonnet 5?

GPT 5.6 Sol input costs $5.00/MTok, which is 150% more than Claude Sonnet 5 at $2.00/MTok.

What are the context window sizes for Claude Sonnet 5 and GPT 5.6 Sol?

Claude Sonnet 5 has a 200K token context window. GPT 5.6 Sol 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.