GPTvsDeepSeek

GPT 5.6 Sol vs DeepSeek R1

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

Pricing

Side-by-side pricing

GPT 5.6 Sol

Flagship

DeepSeek R1

Mid-tier
Input $/MTok
$4.00
$0.55
Output $/MTok
$20.00
$2.19
Cache discount
90% off
75% off
Context
922K
128K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
67
vs
0
Code Review
92
vs
0
Summarization
70
vs
0
Q&A
91
vs
0
Extraction
75
vs
0
Reasoning
92
vs
0
Classification
86
vs
0
Creative Writing
76
vs
0
GPT 5.6 Sol
DeepSeek R1

Guidance

When to use GPT 5.6 Sol vs DeepSeek R1

Choose GPT 5.6 Sol when...

  • -You need a larger context window (922K vs 128K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose DeepSeek R1 when...

  • -Cost matters: 86% 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
DeepSeek R1
100K tokens
$0.88
$0.10Cheaper
1M tokens
$14.60
$1.04Cheaper
10M tokens
$146.00
$10.42Cheaper

FAQ

When should I use GPT 5.6 Sol instead of DeepSeek R1?

GPT 5.6 Sol and DeepSeek R1 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is DeepSeek R1 cheaper than GPT 5.6 Sol?

Yes. DeepSeek R1 input costs $0.55/MTok vs $4.00/MTok for GPT 5.6 Sol, saving 86% on input.

What are the context window sizes for GPT 5.6 Sol and DeepSeek R1?

GPT 5.6 Sol has a 922K token context window. DeepSeek R1 has a 128K token context window.

Track your real costs

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