DeepSeek V4.1 Flash vs Claude Haiku 5.5 API pricing
Claude Haiku 5.5 is cheaper on every example workload below. Prices last checked 2026-10-15.
| DeepSeek V4.1 Flash (DeepSeek) | Claude Haiku 5.5 (Anthropic) | |
|---|---|---|
| Input $/1M tokens | $0.3 | $0.1 |
| Output $/1M tokens | $1.2 | $0.5 |
| Context | 1000000 | — |
| Our tier (1–4) | 2 | 1 |
Example monthly bills
| Workload | DeepSeek V4.1 Flash | Claude Haiku 5.5 | Cheaper |
|---|---|---|---|
| Chat / Q&A 10M in / 2M out per month | $5.40 | $2.00 | Claude Haiku 5.5 saves $3.40/mo (63%) |
| Coding 20M in / 5M out per month | $12.00 | $4.50 | Claude Haiku 5.5 saves $7.50/mo (62%) |
| Output-heavy (reasoning, long answers) 10M in / 10M out per month | $15.00 | $6.00 | Claude Haiku 5.5 saves $9.00/mo (60%) |
Fine print
- DeepSeek V4.1 Flash: Peak rate; off-peak half ($0.15/$0.60)
- Claude Haiku 5.5: Prompts ≤100K tokens; prompts >100K $0.50/$2.50
Cost only, not quality. “Tier” is our rough capability judgment, not a benchmark, and different tokenizers count the same text differently. Reasoning models may bill extra thinking tokens as output. Official sources: DeepSeek, Anthropic.
See all models on the full price table, the DeepSeek and Anthropic pricing pages, or try the savings calculator with your own numbers.