GPTvsGPT

GPT 5.6 Sol vs o4 Mini

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

GPT 5.6 Sol

Flagship

o4 Mini

Fast / Budget
Input $/MTok
$4.00
$1.10
Output $/MTok
$20.00
$4.40
Cache discount
90% off
75% off
Context
922K
200K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
94
vs
0
Code Review
92
vs
0
Summarization
90
vs
0
Q&A
91
vs
0
Extraction
88
vs
0
Reasoning
96
vs
0
Classification
86
vs
0
Creative Writing
92
vs
0
GPT 5.6 Sol
o4 Mini

Guidance

When to use GPT 5.6 Sol vs o4 Mini

Choose GPT 5.6 Sol when...

  • -You need a larger context window (922K vs 200K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose o4 Mini when...

  • -Cost matters: 73% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.6 Sol
o4 Mini
100K tokens
$0.88
$0.21Cheaper
1M tokens
$14.60
$2.09Cheaper
10M tokens
$146.00
$20.90Cheaper

FAQ

When should I use GPT 5.6 Sol instead of o4 Mini?

GPT 5.6 Sol and o4 Mini perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is o4 Mini cheaper than GPT 5.6 Sol?

Yes. o4 Mini input costs $1.10/MTok vs $4.00/MTok for GPT 5.6 Sol, saving 73% on input.

What are the context window sizes for GPT 5.6 Sol and o4 Mini?

GPT 5.6 Sol has a 922K token context window. o4 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.