Claude Haiku 5.5 is $0.12 cheaper per 1M input tokens (53.6% lower; 2.16x difference).
API cost decision in 10 seconds
NewClaude Haiku 5.5 vs DeepSeek V4 Flash Vision Exp
Pick Claude Haiku 5.5 for lower cost; pick DeepSeek V4 Flash Vision Exp only if the larger context window matters more.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Claude Haiku 5.5 for lower cost; pick DeepSeek V4 Flash Vision Exp only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Claude Haiku 5.5 is estimated at $0.35 vs $0.54 for DeepSeek V4 Flash Vision Exp, saving $0.19 (35.1% lower).
Cost-first pickClaude Haiku 5.5
Context-first pickDeepSeek V4 Flash Vision Exp
Sample savings$0.1935.1%
10x traffic gap$1.89
DeepSeek V4 Flash Vision Exp has more context, but Claude Haiku 5.5 saves $0.19 on the standard workload. At 10x that traffic, the same price gap is about $1.89. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Claude Haiku 5.5 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Claude Haiku 5.5 | DeepSeek V4 Flash Vision Exp |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Claude Haiku 5.5 | $0.75 | $1.4 |
| Balanced workload | 1M input + 1M output | Claude Haiku 5.5 | $0.6 | $0.86 |
| Output-heavy chatbot | 1M input + 5M output | Claude Haiku 5.5 | $2.6 | $3.45 |
Claude Haiku 5.5 is $0.15 cheaper per 1M output tokens (22.7% lower; 1.29x difference).
DeepSeek V4 Flash Vision Exp has 48.58K more context (1.05x larger).
Claude Haiku 5.5 is $0.19 cheaper on the standard workload (35.1% 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
Claude Haiku 5.5 has the lower input price; Claude Haiku 5.5 has the lower output price; DeepSeek V4 Flash Vision Exp offers the larger context window. For the 1M input plus 500K output sample, Claude Haiku 5.5 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 $0.54 for DeepSeek V4 Flash Vision Exp.
Choose Claude Haiku 5.5 when you care most about lower input-token price, and lower output-token price.
Choose DeepSeek V4 Flash Vision Exp when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Claude Haiku 5.5 is estimated at $0.35 vs $0.54 for DeepSeek V4 Flash Vision Exp, saving $0.19 (35.1% lower).
- Claude Haiku 5.5 is $0.19 cheaper on the standard workload (35.1% lower).
- Claude Haiku 5.5 is $0.12 cheaper per 1M input tokens (53.6% lower; 2.16x difference).
- Claude Haiku 5.5 is $0.15 cheaper per 1M output tokens (22.7% lower; 1.29x difference).
- DeepSeek V4 Flash Vision Exp has 48.58K more context (1.05x larger).
| Feature | NewClaude Haiku 5.5 (Anthropic) | DeepSeek V4 Flash Vision Exp (DeepSeek) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.1 | $0.2156 |
| Completion Price per 1M tokens | $0.5 | $0.6468 |
| Sample Workload Cost 1M input + 500K output | $0.35 | $0.54 |
| Context Window | 1M | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Claude Haiku 5.5 | On the standard 1M input plus 500K output workload, Claude Haiku 5.5 is estimated at $0.35 vs $0.54 for DeepSeek V4 Flash Vision Exp, saving $0.19 (35.1% lower). |
| High-volume input processing | Claude Haiku 5.5 | 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 Vision Exp | 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 Vision Exp when lower sample workload cost matters most: $0.
- DeepSeek V4 Flash (free) can replace DeepSeek V4 Flash Vision Exp when lower sample workload cost matters most: $0.
- DeepSeek V4 Flash 0423 can replace DeepSeek V4 Flash Vision Exp when lower sample workload cost matters most: $0.18.
- Llama 4 Scout offers 1.31M context with $0.47 sample workload cost.
- 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.
- DeepSeek V4.1 Flash · DeepSeek · #1
- Step 5 Preview · StepFun · #2
- GLM 5.3 Flash · Z.ai · #3
- MiMo-V2.6-Flash · Xiaomi · #4
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
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Open provider hubsAnthropic catalog
Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.
Open Anthropic modelsDeepSeek catalog
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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...
DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of [DeepSeek V4 Flash 0731](https://openrouter.ai/deepseek/deepseek-v4-flash-0731) from DeepSeek, adding image understanding while matching the base model on text capabilities including agents,...