Price comparison · checked October 12, 2026
Claude Haiku 4.5 vs DeepSeek V4.1 Flash pricing
For a typical support chatbot (60,000 conversations a month), DeepSeek V4.1 Flash costs $24.30 a month and Claude Haiku 4.5 costs $180. That makes DeepSeek V4.1 Flash 7.4× cheaper for this workload.
| Claude Haiku 4.5 | DeepSeek V4.1 Flash | |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Input / 1M | $1.00 | $0.15 |
| Cached input / 1M | $0.10 | $0.003 |
| Output / 1M | $5.00 | $0.60 |
| Context window | – | 1M |
| Notes | – | Off-peak rate. Peak hours cost 2× |
Monthly cost by workload
| Workload | Claude Haiku 4.5 | DeepSeek V4.1 Flash | Difference |
|---|---|---|---|
| Support chatbot | $180 | $24.30 | DeepSeek V4.1 Flash 7.4× cheaper |
| Document summaries | $160 | $22.80 | DeepSeek V4.1 Flash 7.0× cheaper |
| Coding assistant | $240 | $32.40 | DeepSeek V4.1 Flash 7.4× cheaper |
| RAG search | $375 | $52.50 | DeepSeek V4.1 Flash 7.1× cheaper |
Try your own numbers
Start from a use case
1,000 tokens is about 750 English words. Input includes your system prompt, chat history and any retrieved documents.
DeepSeek V4.1 Flash
DeepSeekCheapest
$24.30 /mo
Claude Haiku 4.5
Anthropic
$180 /mo
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