KAT-Coder-Air V2.5 is $1.85 cheaper per 1M input tokens (92.5% lower; 13.3x difference).
API cost decision in 10 seconds
NewFugu Max vs KAT-Coder-Air V2.5
Pick KAT-Coder-Air V2.5 for lower cost; pick Fugu Max only if the larger context window matters more.
Budget verdict
Pick KAT-Coder-Air V2.5 for lower cost; pick Fugu Max only if the larger context window matters more.
On the standard 1M input plus 500K output workload, KAT-Coder-Air V2.5 is estimated at $0.45 vs $5 for Fugu Max, saving $4.55 (91% lower).
Fugu Max has more context, but KAT-Coder-Air V2.5 saves $4.55 on the standard workload. At 10x that traffic, the same price gap is about $45.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
KAT-Coder-Air V2.5 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Fugu Max | KAT-Coder-Air V2.5 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | KAT-Coder-Air V2.5 | $13 | $1.05 |
| Balanced workload | 1M input + 1M output | KAT-Coder-Air V2.5 | $8 | $0.75 |
| Output-heavy chatbot | 1M input + 5M output | KAT-Coder-Air V2.5 | $32 | $3.15 |
KAT-Coder-Air V2.5 is $5.4 cheaper per 1M output tokens (90% lower; 10x difference).
Fugu Max has 744K more context (3.91x larger).
KAT-Coder-Air V2.5 is $4.55 cheaper on the standard workload (91% 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-Air V2.5 has the lower input price; KAT-Coder-Air V2.5 has the lower output price; Fugu Max offers the larger context window. For the 1M input plus 500K output sample, KAT-Coder-Air V2.5 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $5 for Fugu Max and $0.45 for KAT-Coder-Air V2.5.
Choose Fugu Max when you care most about larger context window.
Choose KAT-Coder-Air V2.5 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-Air V2.5 is estimated at $0.45 vs $5 for Fugu Max, saving $4.55 (91% lower).
- KAT-Coder-Air V2.5 is $4.55 cheaper on the standard workload (91% lower).
- KAT-Coder-Air V2.5 is $1.85 cheaper per 1M input tokens (92.5% lower; 13.3x difference).
- KAT-Coder-Air V2.5 is $5.4 cheaper per 1M output tokens (90% lower; 10x difference).
- Fugu Max has 744K more context (3.91x larger).
| Feature | NewFugu Max (Sakana) | KAT-Coder-Air V2.5 (Kwaipilot) |
|---|---|---|
| Input Price prompt tokens per 1M | $2 | $0.15 |
| Completion Price per 1M tokens | $6 | $0.6 |
| Sample Workload Cost 1M input + 500K output | $5 | $0.45 |
| Context Window | 1M | 256K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | KAT-Coder-Air V2.5 | On the standard 1M input plus 500K output workload, KAT-Coder-Air V2.5 is estimated at $0.45 vs $5 for Fugu Max, saving $4.55 (91% lower). |
| High-volume input processing | KAT-Coder-Air V2.5 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | KAT-Coder-Air V2.5 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Fugu Max | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Sakana Namazu can replace Fugu Max when lower sample workload cost matters most: $2.95.
- 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.
- GLM 5.3 Flash offers 1.31M context with $0.4 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.08 sample workload cost.
- Hy4 preview · Tencent · #1
- GPT-5.6 Luna · OpenAI · #2
- GLM 5.3 Flash · Z.ai · #3
- DeepSeek V4 Flash 0731 · DeepSeek · #4
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
Find models with larger context windows for RAG, long documents, and codebase review.
Open largest context modelsProvider catalogs
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Open provider hubsSakana catalog
Review all tracked Sakana models before deciding whether this matchup is the right shortlist.
Open Sakana modelsKwaipilot catalog
Check other Kwaipilot models with comparable pricing, context, or release timing.
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