GPTvsDeepSeek

GPT 6.1 Sol vs DeepSeek V4 Pro

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

Pricing

Side-by-side pricing

GPT 6.1 Sol

Flagship

DeepSeek V4 Pro

Flagship
Input $/MTok
$2.00
$0.66
Output $/MTok
$10.00
$1.98
Cache discount
95% off
97% off
Context
922K
1M

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
GPT 6.1 Sol
DeepSeek V4 Pro

Guidance

When to use GPT 6.1 Sol vs DeepSeek V4 Pro

Choose GPT 6.1 Sol when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose DeepSeek V4 Pro when...

  • -Cost matters: 67% cheaper on input tokens
  • -You need a larger context window (1M vs 922K)

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 6.1 Sol
DeepSeek V4 Pro
100K tokens
$0.44
$0.11Cheaper
1M tokens
$7.30
$1.06Cheaper
10M tokens
$73.00
$10.56Cheaper

FAQ

When should I use GPT 6.1 Sol instead of DeepSeek V4 Pro?

GPT 6.1 Sol and DeepSeek V4 Pro perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is DeepSeek V4 Pro cheaper than GPT 6.1 Sol?

Yes. DeepSeek V4 Pro input costs $0.66/MTok vs $2.00/MTok for GPT 6.1 Sol, saving 67% on input.

What are the context window sizes for GPT 6.1 Sol and DeepSeek V4 Pro?

GPT 6.1 Sol has a 922K token context window. DeepSeek V4 Pro has a 1M token context window.

Track your real costs

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