ClaudevsGPT

Claude Sonnet 4.6 vs o3 Mini

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

o3 Mini

Fast / Budget
Input $/MTok
$3.00
$1.10
Output $/MTok
$15.00
$4.40
Cache discount
90% off
50% off
Context
1,000K
200K

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
o3 Mini

Guidance

When to use Claude Sonnet 4.6 vs o3 Mini

Choose Claude Sonnet 4.6 when...

  • -You need a larger context window (1,000K vs 200K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose o3 Mini when...

  • -Cost matters: 63% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Sonnet 4.6
o3 Mini
100K tokens
$0.66
$0.21Cheaper
1M tokens
$6.60
$2.09Cheaper
10M tokens
$66.00
$20.90Cheaper

FAQ

When should I use Claude Sonnet 4.6 instead of o3 Mini?

Claude Sonnet 4.6 and o3 Mini perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is o3 Mini cheaper than Claude Sonnet 4.6?

Yes. o3 Mini input costs $1.10/MTok vs $3.00/MTok for Claude Sonnet 4.6, saving 63% on input.

What are the context window sizes for Claude Sonnet 4.6 and o3 Mini?

Claude Sonnet 4.6 has a 1,000K token context window. o3 Mini has a 200K token context window.

Track your real costs

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