Calculator › Compare › DeepSeek V4 Pro vs Claude Sonnet 5.5
✓ Prices checked against official pricing pages on October 19, 2026DeepSeek V4 Pro vs Claude Sonnet 5.5: cost comparison
For a typical chatbot reply, DeepSeek V4 Pro is 2.6× cheaper than Claude Sonnet 5.5 ($3.56 vs $9.10 per 1,000 replies, including Claude's ~30% higher token count).
DeepSeek V4 Pro DeepSeek
$1.32input /1M
$0.044cached /1M
$3.96output /1M
- Off-peak (outside 01:00–04:00 and 06:00–10:00 UTC on weekdays): 50% off, i.e. $0.66 input / $1.98 output.
Claude Sonnet 5.5 Anthropic
$2.00input /1M
$0.10cached /1M
$10.00output /1M
- Uses Anthropic's newer tokenizer, which produces about 30% more tokens for the same text than Claude Sonnet 4.6 and earlier.
- Batch processing: 50% off input and output ($1.00 / $5.00 per 1M tokens).
Cost per 1,000 requests
| Workload | DeepSeek V4 Pro | Claude Sonnet 5.5 | Difference |
|---|---|---|---|
| Chatbot reply1,500 input / 400 output tokens | $3.56 | $9.10 | 2.6× |
| RAG answer8,000 input / 600 output tokens | $12.94 | $28.60 | 2.2× |
| Agent step30,000 input (80% cached) / 800 output | $12.14 | $29.12 | 2.4× |
| Summarize a long report60,000 input / 1,200 output tokens | $83.95 | $171.60 | 2.0× |
| Classify a ticket400 input / 10 output tokens | $0.568 | $1.17 | 2.1× |
Standard pricing, no batch discount. Claude 4.7+ costs include its ~30% higher token count for the same text. Price is only one factor; quality, speed, context length and rate limits matter too, so test both on your own prompts.
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