ClaudevsGPT

Claude Sonnet 5 vs GPT 5.2

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 5.2

Mid-tier
Input $/MTok
$2.00
$1.75
Output $/MTok
$10.00
$14.00
Cache discount
90% off
90% off
Context
1,000K
272K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
93
vs
0
Code Review
96
vs
0
Summarization
91
vs
0
Q&A
89
vs
0
Extraction
88
vs
0
Reasoning
90
vs
0
Classification
86
vs
0
Creative Writing
87
vs
0
Claude Sonnet 5
GPT 5.2

Guidance

When to use Claude Sonnet 5 vs GPT 5.2

Choose Claude Sonnet 5 when...

  • -You need a larger context window (1,000K vs 272K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose GPT 5.2 when...

  • -Cost matters: 13% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Sonnet 5
GPT 5.2
100K tokens
$0.44Cheaper
$0.54
1M tokens
$4.40Cheaper
$5.42
10M tokens
$44.00Cheaper
$54.25

FAQ

When should I use Claude Sonnet 5 instead of GPT 5.2?

Claude Sonnet 5 and GPT 5.2 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 5.2 cheaper than Claude Sonnet 5?

Yes. GPT 5.2 input costs $1.75/MTok vs $2.00/MTok for Claude Sonnet 5, saving 13% on input.

What are the context window sizes for Claude Sonnet 5 and GPT 5.2?

Claude Sonnet 5 has a 1,000K token context window. GPT 5.2 has a 272K token context window.

Track your real costs

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