GPTvsGPT

GPT 5.6 Sol vs GPT 3.5 Turbo

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

Pricing

Side-by-side pricing

GPT 5.6 Sol

Flagship

GPT 3.5 Turbo

Fast / Budget
Input $/MTok
$4.00
$0.50
Output $/MTok
$20.00
$1.50
Cache discount
90% off
0% off
Context
922K
16.385K

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
GPT 3.5 Turbo

Guidance

When to use GPT 5.6 Sol vs GPT 3.5 Turbo

Choose GPT 5.6 Sol when...

  • -You need a larger context window (922K vs 16.385K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose GPT 3.5 Turbo when...

  • -Cost matters: 88% 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
GPT 3.5 Turbo
100K tokens
$0.88
$0.08Cheaper
1M tokens
$14.60
$0.80Cheaper
10M tokens
$146.00
$8.00Cheaper

FAQ

When should I use GPT 5.6 Sol instead of GPT 3.5 Turbo?

GPT 5.6 Sol and GPT 3.5 Turbo perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 3.5 Turbo cheaper than GPT 5.6 Sol?

Yes. GPT 3.5 Turbo input costs $0.50/MTok vs $4.00/MTok for GPT 5.6 Sol, saving 88% on input.

What are the context window sizes for GPT 5.6 Sol and GPT 3.5 Turbo?

GPT 5.6 Sol has a 922K token context window. GPT 3.5 Turbo has a 16.385K token context window.

Track your real costs

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