tokevenClaudevsGPT
Claude Sonnet 4.5 vs GPT 5 Mini
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Sonnet 4.5
Mid-tierGPT 5 Mini
Fast / BudgetInput $/MTok
$3.00
$0.25
Output $/MTok
$15.00
$2.00
Cache discount
90% off
90% off
Context
200K
272K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
Claude Sonnet 4.5
GPT 5 Mini
Guidance
When to use Claude Sonnet 4.5 vs GPT 5 Mini
Choose Claude Sonnet 4.5 when...
- Similar performance; consider provider preference or ecosystem fit.
Choose GPT 5 Mini when...
- -Cost matters: 92% cheaper on input tokens
- -You need a larger context window (272K vs 200K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Sonnet 4.5
GPT 5 Mini
100K tokens
$0.66
$0.08Cheaper
1M tokens
$6.60
$0.77Cheaper
10M tokens
$66.00
$7.75Cheaper
FAQ
When should I use Claude Sonnet 4.5 instead of GPT 5 Mini?
Claude Sonnet 4.5 and GPT 5 Mini perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is GPT 5 Mini cheaper than Claude Sonnet 4.5?
Yes. GPT 5 Mini input costs $0.25/MTok vs $3.00/MTok for Claude Sonnet 4.5, saving 92% on input.
What are the context window sizes for Claude Sonnet 4.5 and GPT 5 Mini?
Claude Sonnet 4.5 has a 200K token context window. GPT 5 Mini has a 272K 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 4.5 and GPT 5 Mini 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.