DeepSeek V4 Flash Latest is $0.09 cheaper per 1M input tokens (85.6% lower; 6.94x difference).
API cost decision in 10 seconds
NewClaude Haiku 5.5 vs DeepSeek V4 Flash Latest
Pick DeepSeek V4 Flash Latest when budget and context both matter.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick DeepSeek V4 Flash Latest when budget and context both matter.
On the standard 1M input plus 500K output workload, DeepSeek V4 Flash Latest is estimated at $0.3 vs $0.35 for Claude Haiku 5.5, saving $0.05 (13.6% lower).
Cost-first pickDeepSeek V4 Flash Latest
Context-first pickDeepSeek V4 Flash Latest
Sample savings$0.0513.6%
10x traffic gap$0.48
DeepSeek V4 Flash Latest is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $0.48. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Cost winner changes by workload shape: input-heavy / RAG favors DeepSeek V4 Flash Latest, balanced workload favors DeepSeek V4 Flash Latest, and output-heavy chatbot favors Claude Haiku 5.5.
| Workload shape | Token mix | Better pick | Claude Haiku 5.5 | DeepSeek V4 Flash Latest |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | DeepSeek V4 Flash Latest | $0.75 | $0.36 |
| Balanced workload | 1M input + 1M output | DeepSeek V4 Flash Latest | $0.6 | $0.59 |
| Output-heavy chatbot | 1M input + 5M output | Claude Haiku 5.5 | $2.6 | $2.89 |
Claude Haiku 5.5 is $0.08 cheaper per 1M output tokens (13.2% lower; 1.15x difference).
DeepSeek V4 Flash Latest has 48.58K more context (1.05x larger).
DeepSeek V4 Flash Latest is $0.05 cheaper on the standard workload (13.6% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
DeepSeek V4 Flash Latest has the lower input price; Claude Haiku 5.5 has the lower output price; DeepSeek V4 Flash Latest offers the larger context window. For the 1M input plus 500K output sample, DeepSeek V4 Flash Latest is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.35 for Claude Haiku 5.5 and $0.3 for DeepSeek V4 Flash Latest.
Choose Claude Haiku 5.5 when you care most about lower output-token price.
Choose DeepSeek V4 Flash Latest when you care most about lower input-token price, and larger context window.
- On the standard 1M input plus 500K output workload, DeepSeek V4 Flash Latest is estimated at $0.3 vs $0.35 for Claude Haiku 5.5, saving $0.05 (13.6% lower).
- DeepSeek V4 Flash Latest is $0.05 cheaper on the standard workload (13.6% lower).
- DeepSeek V4 Flash Latest is $0.09 cheaper per 1M input tokens (85.6% lower; 6.94x difference).
- Claude Haiku 5.5 is $0.08 cheaper per 1M output tokens (13.2% lower; 1.15x difference).
- DeepSeek V4 Flash Latest has 48.58K more context (1.05x larger).
| Feature | NewClaude Haiku 5.5 (Anthropic) | DeepSeek V4 Flash Latest (DeepSeek) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.1 | $0.0144 |
| Completion Price per 1M tokens | $0.5 | $0.576 |
| Sample Workload Cost 1M input + 500K output | $0.35 | $0.3 |
| Context Window | 1M | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | DeepSeek V4 Flash Latest | On the standard 1M input plus 500K output workload, DeepSeek V4 Flash Latest is estimated at $0.3 vs $0.35 for Claude Haiku 5.5, saving $0.05 (13.6% lower). |
| High-volume input processing | DeepSeek V4 Flash Latest | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Claude Haiku 5.5 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | DeepSeek V4 Flash Latest | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Claude Haiku 5.5 (batch) can replace Claude Haiku 5.5 when lower sample workload cost matters most: $0.17.
- DeepSeek V4 Flash 0731 (free) can replace DeepSeek V4 Flash Latest when lower sample workload cost matters most: $0.
- DeepSeek V4 Flash (free) can replace DeepSeek V4 Flash Latest when lower sample workload cost matters most: $0.
- DeepSeek V4 Flash 0423 can replace DeepSeek V4 Flash Latest when lower sample workload cost matters most: $0.18.
- MiMo-V2.6-Flash offers 1.05M context with $0.28 sample workload cost.
- GPT-6 Luna offers 1.05M context with $0.35 sample workload cost.
- GPT-6 Luna Pro offers 1.05M context with $0.35 sample workload cost.
- GPT-6 Luna Pro (batch) offers 1.05M context with $0.17 sample workload cost.
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Open DeepSeek modelsClaude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...
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