Model comparison
Claude Haiku 4.5 vs DeepSeek V4 Flash
Compare Claude Haiku 4.5 vs DeepSeek V4 Flash API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.
Claude Haiku 4.5
anthropic · claude-haiku-4-5
- Input
- $1
- Output
- $5
- Context
- 200K
DeepSeek V4 Flash
deepseek · deepseek-v4-flash
- Input
- $0.14
- Output
- $0.28
- Context
- 1M
Quick take
DeepSeek V4 Flash has the lower input price at $0.14 per 1M input tokens. DeepSeek V4 Flash is cheaper for the example blended workload below. DeepSeek V4 Flash has the larger context window at 1M tokens.
Choose Claude Haiku 4.5 if...
- Claude Haiku 4.5 is required if images, screenshots, or visual documents are part of the workflow.
Choose DeepSeek V4 Flash if...
- DeepSeek V4 Flash is the better default for cost-sensitive traffic and repeated high-volume calls.
- DeepSeek V4 Flash is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.
- DeepSeek V4 Flash gives more room for long generated answers, reports, or code output.
Example workload cost
Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.
| Workload | Claude Haiku 4.5 | DeepSeek V4 Flash | Cheaper |
|---|---|---|---|
| 1M input + 200K output | $2.00 | $0.20 | DeepSeek V4 Flash |
| 10M input + 2M output | $20.00 | $1.96 | DeepSeek V4 Flash |
| 100M input + 20M output | $200.00 | $19.60 | DeepSeek V4 Flash |
Context, output, and capability fit
DeepSeek V4 Flash provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.
- Claude Haiku 4.5 max output
- 64K
- DeepSeek V4 Flash max output
- 384K
- Claude Haiku 4.5 features
- prompt caching, function calling, vision
- DeepSeek V4 Flash features
- prompt caching, function calling
Risk notes for Claude Haiku 4.5
- No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.
Risk notes for DeepSeek V4 Flash
- No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.
Routing tags
fastbudgetagentsenterprise-ragcache-friendlyraghigh-volumecodingreasoningopen-weightlong-contextlocal-open