Claude Haiku 5.5 vs DeepSeek Pro Latest: cost comparison
Prices updated 2026-10-30 · computed from live provider data
Short answer: Claude Haiku 5.5 is cheaper on a
3:1 input/output blend — $0.200 per million tokens versus
$1.08, a 81% difference.
DeepSeek Pro Latest offers the larger context window at 1,048,576 tokens, against 1,000,000 for Claude Haiku 5.5.
Head to head
| Claude Haiku 5.5 | DeepSeek Pro Latest | |
|---|---|---|
| Input, per 1M tokens | $0.100 | $0.103 |
| Output, per 1M tokens | $0.500 | $4.00 |
| Blended 3:1, per 1M | $0.200 | $1.08 |
| Context window | 1,000,000 | 1,048,576 |
| Vendor | claude | deepseek |
Monthly cost at real volumes
| Workload (input / output) | Claude Haiku 5.5 | DeepSeek Pro Latest |
|---|---|---|
| 1M in / 250K out | $0.225 | $1.10 |
| 10M in / 2.5M out | $2.25 | $11.04 |
| 100M in / 25M out | $22.50 | $110 |
Which should you pick?
Pick DeepSeek Pro Latest when you need the longer context window (1,048,576 vs 1,000,000 tokens). Pick Claude Haiku 5.5 when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.