GPTvsDeepSeek

GPT 5.4 vs DeepSeek R1

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

Pricing

Side-by-side pricing

GPT 5.4

Mid-tier

DeepSeek R1

Mid-tier
Input $/MTok
$2.50
$0.55
Output $/MTok
$15.00
$2.19
Cache discount
90% off
75% off
Context
1.1M
128K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
63
vs
0
Code Review
82
vs
0
Summarization
67
vs
0
Q&A
91
vs
0
Extraction
76
vs
0
Reasoning
88
vs
0
Classification
88
vs
0
Creative Writing
79
vs
0
GPT 5.4
DeepSeek R1

Guidance

When to use GPT 5.4 vs DeepSeek R1

Choose GPT 5.4 when...

  • -You need a larger context window (1.1M vs 128K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose DeepSeek R1 when...

  • -Cost matters: 78% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.4
DeepSeek R1
100K tokens
$0.63
$0.10Cheaper
1M tokens
$10.25
$1.04Cheaper
10M tokens
$102.50
$10.42Cheaper

FAQ

When should I use GPT 5.4 instead of DeepSeek R1?

GPT 5.4 and DeepSeek R1 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is DeepSeek R1 cheaper than GPT 5.4?

Yes. DeepSeek R1 input costs $0.55/MTok vs $2.50/MTok for GPT 5.4, saving 78% on input.

What are the context window sizes for GPT 5.4 and DeepSeek R1?

GPT 5.4 has a 1.1M 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.