DeepSeekvsDeepSeek

DeepSeek R1 vs DeepSeek Flash

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

Pricing

Side-by-side pricing

DeepSeek R1

Mid-tier

DeepSeek Flash

Fast / Budget
Input $/MTok
$0.55
$0.15
Output $/MTok
$2.19
$0.60
Cache discount
75% off
98% off
Context
128K
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
DeepSeek R1
DeepSeek Flash

Guidance

When to use DeepSeek R1 vs DeepSeek Flash

Choose DeepSeek R1 when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose DeepSeek Flash when...

  • -Cost matters: 73% cheaper on input tokens
  • -You need a larger context window (1M vs 128K)

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
DeepSeek R1
DeepSeek Flash
100K tokens
$0.10
$0.03Cheaper
1M tokens
$1.04
$0.28Cheaper
10M tokens
$10.42
$2.85Cheaper

FAQ

When should I use DeepSeek R1 instead of DeepSeek Flash?

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

Is DeepSeek Flash cheaper than DeepSeek R1?

Yes. DeepSeek Flash input costs $0.15/MTok vs $0.55/MTok for DeepSeek R1, saving 73% on input.

What are the context window sizes for DeepSeek R1 and DeepSeek Flash?

DeepSeek R1 has a 128K token context window. DeepSeek Flash 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.