KAT-Coder-Pro V2 is $0.09 cheaper per 1M input tokens (23.1% lower; 1.3x difference).
API cost decision in 10 seconds
Qwen3.5 397B A17B vs KAT-Coder-Pro V2
Pick KAT-Coder-Pro V2 for lower cost; pick Qwen3.5 397B A17B only if the larger context window matters more.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick KAT-Coder-Pro V2 for lower cost; pick Qwen3.5 397B A17B only if the larger context window matters more.
On the standard 1M input plus 500K output workload, KAT-Coder-Pro V2 is estimated at $0.9 vs $1.56 for Qwen3.5 397B A17B, saving $0.66 (42.3% lower).
Cost-first pickKAT-Coder-Pro V2
Context-first pickQwen3.5 397B A17B
Sample savings$0.6642.3%
10x traffic gap$6.6
Qwen3.5 397B A17B has more context, but KAT-Coder-Pro V2 saves $0.66 on the standard workload. At 10x that traffic, the same price gap is about $6.6. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
KAT-Coder-Pro V2 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Qwen3.5 397B A17B | KAT-Coder-Pro V2 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | KAT-Coder-Pro V2 | $3.12 | $2.1 |
| Balanced workload | 1M input + 1M output | KAT-Coder-Pro V2 | $2.73 | $1.5 |
| Output-heavy chatbot | 1M input + 5M output | KAT-Coder-Pro V2 | $12.09 | $6.3 |
KAT-Coder-Pro V2 is $1.14 cheaper per 1M output tokens (48.7% lower; 1.95x difference).
Qwen3.5 397B A17B has 6.14K more context (1.02x larger).
KAT-Coder-Pro V2 is $0.66 cheaper on the standard workload (42.3% 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
KAT-Coder-Pro V2 has the lower input price; KAT-Coder-Pro V2 has the lower output price; Qwen3.5 397B A17B offers the larger context window. For the 1M input plus 500K output sample, KAT-Coder-Pro V2 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $1.56 for Qwen3.5 397B A17B and $0.9 for KAT-Coder-Pro V2.
Choose Qwen3.5 397B A17B when you care most about larger context window.
Choose KAT-Coder-Pro V2 when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, KAT-Coder-Pro V2 is estimated at $0.9 vs $1.56 for Qwen3.5 397B A17B, saving $0.66 (42.3% lower).
- KAT-Coder-Pro V2 is $0.66 cheaper on the standard workload (42.3% lower).
- KAT-Coder-Pro V2 is $0.09 cheaper per 1M input tokens (23.1% lower; 1.3x difference).
- KAT-Coder-Pro V2 is $1.14 cheaper per 1M output tokens (48.7% lower; 1.95x difference).
- Qwen3.5 397B A17B has 6.14K more context (1.02x larger).
| Feature | Qwen3.5 397B A17B (Qwen) | KAT-Coder-Pro V2 (Kwaipilot) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.39 | $0.3 |
| Completion Price per 1M tokens | $2.34 | $1.2 |
| Sample Workload Cost 1M input + 500K output | $1.56 | $0.9 |
| Context Window | 262.14K | 256K |
| Release Date | ||
| Popularity | #89 | #117 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | KAT-Coder-Pro V2 | On the standard 1M input plus 500K output workload, KAT-Coder-Pro V2 is estimated at $0.9 vs $1.56 for Qwen3.5 397B A17B, saving $0.66 (42.3% lower). |
| High-volume input processing | KAT-Coder-Pro V2 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | KAT-Coder-Pro V2 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Qwen3.5 397B A17B | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Qwen3 Next 80B A3B Instruct (free) can replace Qwen3.5 397B A17B when lower sample workload cost matters most: $0.
- Qwen3 Coder 480B A35B (free) can replace Qwen3.5 397B A17B when lower sample workload cost matters most: $0.
- Qwen2.5 7B Instruct can replace Qwen3.5 397B A17B when lower sample workload cost matters most: $0.09.
- Qwen3.5-9B can replace Qwen3.5 397B A17B when lower sample workload cost matters most: $0.11.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- MiMo-V2.5 offers 1.05M context with $0.28 sample workload cost.
- DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.
- Hy3 preview · Tencent · #1
- MiMo-V2.5 · Xiaomi · #2
- DeepSeek V4 Flash · DeepSeek · #3
- Owl Alpha · OpenRouter · #4
Cheaper alternatives
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