Perceptron Mk1 is $0.59 cheaper per 1M input tokens (79.7% lower; 4.93x difference).
API cost decision in 10 seconds
KAT-Coder-Pro V2.5 vs Perceptron Mk1
Pick Perceptron Mk1 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 Perceptron Mk1 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, Perceptron Mk1 is estimated at $0.9 vs $2.22 for KAT-Coder-Pro V2.5, saving $1.32 (59.5% lower).
Cost-first pickPerceptron Mk1
Context-first pickKAT-Coder-Pro V2.5
Sample savings$1.3259.5%
10x traffic gap$13.2
KAT-Coder-Pro V2.5 has more context, but Perceptron Mk1 saves $1.32 on the standard workload. At 10x that traffic, the same price gap is about $13.2. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Perceptron Mk1 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | KAT-Coder-Pro V2.5 | Perceptron Mk1 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Perceptron Mk1 | $5.18 | $1.5 |
| Balanced workload | 1M input + 1M output | Perceptron Mk1 | $3.7 | $1.65 |
| Output-heavy chatbot | 1M input + 5M output | Perceptron Mk1 | $15.54 | $7.65 |
Perceptron Mk1 is $1.46 cheaper per 1M output tokens (49.3% lower; 1.97x difference).
KAT-Coder-Pro V2.5 has 223.23K more context (7.81x larger).
Perceptron Mk1 is $1.32 cheaper on the standard workload (59.5% 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
Perceptron Mk1 has the lower input price; Perceptron Mk1 has the lower output price; KAT-Coder-Pro V2.5 offers the larger context window. For the 1M input plus 500K output sample, Perceptron Mk1 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 $0.9 for Perceptron Mk1.
Choose KAT-Coder-Pro V2.5 when you care most about larger context window.
Choose Perceptron Mk1 when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Perceptron Mk1 is estimated at $0.9 vs $2.22 for KAT-Coder-Pro V2.5, saving $1.32 (59.5% lower).
- Perceptron Mk1 is $1.32 cheaper on the standard workload (59.5% lower).
- Perceptron Mk1 is $0.59 cheaper per 1M input tokens (79.7% lower; 4.93x difference).
- Perceptron Mk1 is $1.46 cheaper per 1M output tokens (49.3% lower; 1.97x difference).
- KAT-Coder-Pro V2.5 has 223.23K more context (7.81x larger).
| Feature | KAT-Coder-Pro V2.5 (Kwaipilot) | Perceptron Mk1 (Perceptron) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.74 | $0.15 |
| Completion Price per 1M tokens | $2.96 | $1.5 |
| Sample Workload Cost 1M input + 500K output | $2.22 | $0.9 |
| Context Window | 256K | 32.77K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Perceptron Mk1 | On the standard 1M input plus 500K output workload, Perceptron Mk1 is estimated at $0.9 vs $2.22 for KAT-Coder-Pro V2.5, saving $1.32 (59.5% lower). |
| High-volume input processing | Perceptron Mk1 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Perceptron Mk1 | 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
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
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsKwaipilot catalog
Review all tracked Kwaipilot models before deciding whether this matchup is the right shortlist.
Open Kwaipilot modelsPerceptron catalog
Check other Perceptron models with comparable pricing, context, or release timing.
Open Perceptron modelsKAT-Coder-Pro V2.5 is a flagship-level Agentic Coding model that can directly hand over an entire issue or an entire business workflow to it, allowing it to autonomously locate and make...
Perceptron Mk1 (Mark One) is Perceptron's highest-quality vision-language model for video and embodied reasoning.** It accepts image and video inputs paired with natural language queries, and produces detailed visual understanding...