GPTvsDeepSeek

GPT 4.1 Nano vs DeepSeek V3

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

Pricing

Side-by-side pricing

GPT 4.1 Nano

Fast / Budget

DeepSeek V3

Mid-tier
Input $/MTok
$0.10
$0.27
Output $/MTok
$0.40
$1.10
Cache discount
75% off
74% off
Context
1.0M
164K

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 4.1 Nano
DeepSeek V3

Guidance

When to use GPT 4.1 Nano vs DeepSeek V3

Choose GPT 4.1 Nano when...

  • -Cost matters: 63% cheaper on input tokens
  • -You need a larger context window (1.0M vs 164K)

Choose DeepSeek V3 when...

  • Similar performance; consider provider preference or ecosystem fit.

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4.1 Nano
DeepSeek V3
100K tokens
$0.02Cheaper
$0.05
1M tokens
$0.19Cheaper
$0.52
10M tokens
$1.90Cheaper
$5.19

FAQ

When should I use GPT 4.1 Nano instead of DeepSeek V3?

GPT 4.1 Nano and DeepSeek V3 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is DeepSeek V3 cheaper than GPT 4.1 Nano?

DeepSeek V3 input costs $0.27/MTok, which is 170% more than GPT 4.1 Nano at $0.10/MTok.

What are the context window sizes for GPT 4.1 Nano and DeepSeek V3?

GPT 4.1 Nano has a 1.0M token context window. DeepSeek V3 has a 164K token context window.

Track your real costs

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