Aion-3.0-Mini is $0.04 cheaper per 1M input tokens (5.4% lower; 1.06x difference).
API cost decision in 10 seconds
KAT-Coder-Pro V2.5 vs Aion-3.0-Mini
Pick Aion-3.0-Mini for lower cost; pick KAT-Coder-Pro V2.5 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 Aion-3.0-Mini for lower cost; pick KAT-Coder-Pro V2.5 only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Aion-3.0-Mini is estimated at $1.4 vs $2.22 for KAT-Coder-Pro V2.5, saving $0.82 (36.9% lower).
Cost-first pickAion-3.0-Mini
Context-first pickKAT-Coder-Pro V2.5
Sample savings$0.8236.9%
10x traffic gap$8.2
KAT-Coder-Pro V2.5 has more context, but Aion-3.0-Mini saves $0.82 on the standard workload. At 10x that traffic, the same price gap is about $8.2. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Aion-3.0-Mini stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | KAT-Coder-Pro V2.5 | Aion-3.0-Mini |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Aion-3.0-Mini | $5.18 | $4.2 |
| Balanced workload | 1M input + 1M output | Aion-3.0-Mini | $3.7 | $2.1 |
| Output-heavy chatbot | 1M input + 5M output | Aion-3.0-Mini | $15.54 | $7.7 |
Aion-3.0-Mini is $1.56 cheaper per 1M output tokens (52.7% lower; 2.11x difference).
KAT-Coder-Pro V2.5 has 124.93K more context (1.95x larger).
Aion-3.0-Mini is $0.82 cheaper on the standard workload (36.9% 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
Aion-3.0-Mini has the lower input price; Aion-3.0-Mini has the lower output price; KAT-Coder-Pro V2.5 offers the larger context window. For the 1M input plus 500K output sample, Aion-3.0-Mini is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $2.22 for KAT-Coder-Pro V2.5 and $1.4 for Aion-3.0-Mini.
Choose KAT-Coder-Pro V2.5 when you care most about larger context window.
Choose Aion-3.0-Mini when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Aion-3.0-Mini is estimated at $1.4 vs $2.22 for KAT-Coder-Pro V2.5, saving $0.82 (36.9% lower).
- Aion-3.0-Mini is $0.82 cheaper on the standard workload (36.9% lower).
- Aion-3.0-Mini is $0.04 cheaper per 1M input tokens (5.4% lower; 1.06x difference).
- Aion-3.0-Mini is $1.56 cheaper per 1M output tokens (52.7% lower; 2.11x difference).
- KAT-Coder-Pro V2.5 has 124.93K more context (1.95x larger).
| Feature | KAT-Coder-Pro V2.5 (Kwaipilot) | Aion-3.0-Mini (AionLabs) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.74 | $0.7 |
| Completion Price per 1M tokens | $2.96 | $1.4 |
| Sample Workload Cost 1M input + 500K output | $2.22 | $1.4 |
| Context Window | 256K | 131.07K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Aion-3.0-Mini | On the standard 1M input plus 500K output workload, Aion-3.0-Mini is estimated at $1.4 vs $2.22 for KAT-Coder-Pro V2.5, saving $0.82 (36.9% lower). |
| High-volume input processing | Aion-3.0-Mini | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Aion-3.0-Mini | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | KAT-Coder-Pro V2.5 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- KAT-Coder-Air V2.5 can replace KAT-Coder-Pro V2.5 when lower sample workload cost matters most: $0.45.
- KAT-Coder-Pro V2 can replace KAT-Coder-Pro V2.5 when lower sample workload cost matters most: $0.9.
- Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
- DeepSeek V4 Flash 0731 · DeepSeek · #1
- MiMo-V2.5 · Xiaomi · #2
- Hy3 · Tencent · #3
- Ox Alpha · stealth · #4
Cheaper alternatives
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