Claude Haiku 5.5 vs DeepSeek V4 Flash 0423

Price, context window & benchmark comparison

Anthropic

Claude Haiku 5.5

Anthropic
$0.10 / $0.50
Input / Output · per 1M tokens
VS
DeepSeek

DeepSeek V4 Flash 0423

DeepSeek
$0.09 / $0.18
Input / Output · per 1M tokens
Compare different models
Anthropic
DeepSeek
Verdict: DeepSeek V4 Flash 0423 is 44% cheaper than Claude Haiku 5.5 on a typical 3:1 input/output mix. DeepSeek V4 Flash 0423 has the larger context window (1M vs 1M).
Claude Haiku 5.5DeepSeek V4 Flash 0423
Input price / 1M$0.10$0.09
Output price / 1M$0.50$0.18
Blended price (3:1)$0.20$0.11
Cached input / 1M$0.01$0.018
Context window1M1M
Max output128K393K
Intelligence index36.5—
Coding index—56.2
Providers10—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-10-072026-04-24
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Haiku 5.5 or DeepSeek V4 Flash 0423?

DeepSeek V4 Flash 0423 is 44% cheaper than Claude Haiku 5.5 on a typical 3:1 input/output mix.

Claude Haiku 5.5 vs DeepSeek V4 Flash 0423: which has a bigger context window?

Claude Haiku 5.5: 1,000,000 tokens. DeepSeek V4 Flash 0423: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Haiku 5.5 ≈ $450.00, DeepSeek V4 Flash 0423 ≈ $270.00.

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