ClaudevsDeepSeek

Claude Haiku 5.5 vs DeepSeek Flash

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

Pricing

Side-by-side pricing

Claude Haiku 5.5

Fast / Budget

DeepSeek Flash

Fast / Budget
Input $/MTok
$0.10
$0.15
Output $/MTok
$0.50
$0.60
Cache discount
90% off
98% off
Context
1M
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
Claude Haiku 5.5
DeepSeek Flash

Guidance

When to use Claude Haiku 5.5 vs DeepSeek Flash

Choose Claude Haiku 5.5 when...

  • -Cost matters: 33% cheaper on input tokens

Choose DeepSeek Flash 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.
Claude Haiku 5.5
DeepSeek Flash
100K tokens
$0.02Cheaper
$0.03
1M tokens
$1.10
$0.28Cheaper
10M tokens
$11.00
$2.85Cheaper

FAQ

When should I use Claude Haiku 5.5 instead of DeepSeek Flash?

Claude Haiku 5.5 and DeepSeek Flash perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is DeepSeek Flash cheaper than Claude Haiku 5.5?

DeepSeek Flash input costs $0.15/MTok, which is 50% more than Claude Haiku 5.5 at $0.10/MTok.

What are the context window sizes for Claude Haiku 5.5 and DeepSeek Flash?

Claude Haiku 5.5 has a 1M 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.