claude-haiku-5-5 vs deepseek-v4-flash

Anthropic against DeepSeek, priced on the same four workloads with price book 2026-10-22.

On real workloads

Workloadclaude-haiku-5-5 per calldeepseek-v4-flash per callMonthly difference
Chat reply
1,500 input and 400 output tokens, 100,000 calls a month
$0.00035$0.00093 $58.00
RAG answer, cached context
2,000 fresh + 4,000 cached input, 500 output, 100,000 calls a month
$0.00049$0.00122 $73.40
Agent step
4,000 fresh + 8,000 cached input, 800 output, 250,000 calls a month
$0.00088$0.00221 $332.00
Batch summary
3,000 input and 300 output tokens via the Batch API, 1,000,000 calls a month
$0.000225— —

Monthly difference is deepseek-v4-flash minus claude-haiku-5-5. Batch rows use each provider's Batch API rates where published. Price both on your own workload.

Rates

ModelInputOutputCache readCache writeContext
anthropic/claude-haiku-5-5$0.10$0.50$0.01$0.1251M
deepseek/deepseek-v4-flash$0.30$1.20$0.006$0.001M

Price is one input. Before switching, run your own prompts through both and compare quality; then veqen diff prices the change at your production volume.