Qwen3.6 Flash is $0.25 cheaper per 1M input tokens (56.9% lower; 2.32x difference).
API cost decision in 10 seconds
🔥DeepSeek V4 Pro vs Qwen3.6 Flash
Pick Qwen3.6 Flash for lower cost; pick DeepSeek V4 Pro 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 Qwen3.6 Flash for lower cost; pick DeepSeek V4 Pro only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Qwen3.6 Flash is estimated at $0.75 vs $0.87 for DeepSeek V4 Pro, saving $0.12 (13.8% lower).
Cost-first pickQwen3.6 Flash
Context-first pickDeepSeek V4 Pro
Sample savings$0.1213.8%
10x traffic gap$1.2
DeepSeek V4 Pro has more context, but Qwen3.6 Flash saves $0.12 on the standard workload. At 10x that traffic, the same price gap is about $1.2. 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 Qwen3.6 Flash, balanced workload favors DeepSeek V4 Pro, and output-heavy chatbot favors DeepSeek V4 Pro.
| Workload shape | Token mix | Better pick | DeepSeek V4 Pro | Qwen3.6 Flash |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Qwen3.6 Flash | $2.61 | $1.5 |
| Balanced workload | 1M input + 1M output | DeepSeek V4 Pro | $1.3 | $1.31 |
| Output-heavy chatbot | 1M input + 5M output | DeepSeek V4 Pro | $4.78 | $5.81 |
DeepSeek V4 Pro is $0.26 cheaper per 1M output tokens (22.7% lower; 1.29x difference).
DeepSeek V4 Pro has 48.58K more context (1.05x larger).
Qwen3.6 Flash is $0.12 cheaper on the standard workload (13.8% 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
Qwen3.6 Flash has the lower input price; DeepSeek V4 Pro has the lower output price; DeepSeek V4 Pro offers the larger context window. For the 1M input plus 500K output sample, Qwen3.6 Flash is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.87 for DeepSeek V4 Pro and $0.75 for Qwen3.6 Flash.
Choose DeepSeek V4 Pro when you care most about lower output-token price, and larger context window.
Choose Qwen3.6 Flash when you care most about lower input-token price.
- On the standard 1M input plus 500K output workload, Qwen3.6 Flash is estimated at $0.75 vs $0.87 for DeepSeek V4 Pro, saving $0.12 (13.8% lower).
- Qwen3.6 Flash is $0.12 cheaper on the standard workload (13.8% lower).
- Qwen3.6 Flash is $0.25 cheaper per 1M input tokens (56.9% lower; 2.32x difference).
- DeepSeek V4 Pro is $0.26 cheaper per 1M output tokens (22.7% lower; 1.29x difference).
- DeepSeek V4 Pro has 48.58K more context (1.05x larger).
| Feature | 🔥DeepSeek V4 Pro (DeepSeek) | Qwen3.6 Flash (Qwen) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.435 | $0.1875 |
| Completion Price per 1M tokens | $0.87 | $1.125 |
| Sample Workload Cost 1M input + 500K output | $0.87 | $0.75 |
| Context Window | 1.05M | 1M |
| Release Date | ||
| Popularity | #6 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Qwen3.6 Flash | On the standard 1M input plus 500K output workload, Qwen3.6 Flash is estimated at $0.75 vs $0.87 for DeepSeek V4 Pro, saving $0.12 (13.8% lower). |
| High-volume input processing | Qwen3.6 Flash | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | DeepSeek V4 Pro | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | DeepSeek V4 Pro | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- DeepSeek V4 Flash (free) can replace DeepSeek V4 Pro when lower sample workload cost matters most: $0.
- DeepSeek V4 Flash can replace DeepSeek V4 Pro when lower sample workload cost matters most: $0.2.
- R1 Distill Qwen 32B can replace DeepSeek V4 Pro when lower sample workload cost matters most: $0.43.
- DeepSeek V3.2 can replace DeepSeek V4 Pro when lower sample workload cost matters most: $0.44.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- DeepSeek V4 Flash · DeepSeek · #1
- Hy3 preview · Tencent · #2
- Claude Opus 4.7 · Anthropic · #3
- Claude Sonnet 4.6 · Anthropic · #4
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Qwen3.6 Flash is a fast, efficient language model from Alibaba's Qwen 3.6 series. It supports text, image, and video input with a 1M token context window. Tiered pricing kicks in...