KAT-Coder-Pro V2 is $0.95 cheaper per 1M input tokens (76% lower; 4.17x difference).
API cost decision in 10 seconds
NewGrok 4.3 vs KAT-Coder-Pro V2
Pick KAT-Coder-Pro V2 for lower cost; pick Grok 4.3 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 KAT-Coder-Pro V2 for lower cost; pick Grok 4.3 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 $2.5 for Grok 4.3, saving $1.6 (64% lower).
Cost-first pickKAT-Coder-Pro V2
Context-first pickGrok 4.3
Sample savings$1.664%
10x traffic gap$16
Grok 4.3 has more context, but KAT-Coder-Pro V2 saves $1.6 on the standard workload. At 10x that traffic, the same price gap is about $16. 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 | Grok 4.3 | KAT-Coder-Pro V2 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | KAT-Coder-Pro V2 | $7.5 | $2.1 |
| Balanced workload | 1M input + 1M output | KAT-Coder-Pro V2 | $3.75 | $1.5 |
| Output-heavy chatbot | 1M input + 5M output | KAT-Coder-Pro V2 | $13.75 | $6.3 |
KAT-Coder-Pro V2 is $1.3 cheaper per 1M output tokens (52% lower; 2.08x difference).
Grok 4.3 has 744K more context (3.91x larger).
KAT-Coder-Pro V2 is $1.6 cheaper on the standard workload (64% 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; Grok 4.3 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 $2.5 for Grok 4.3 and $0.9 for KAT-Coder-Pro V2.
Choose Grok 4.3 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 $2.5 for Grok 4.3, saving $1.6 (64% lower).
- KAT-Coder-Pro V2 is $1.6 cheaper on the standard workload (64% lower).
- KAT-Coder-Pro V2 is $0.95 cheaper per 1M input tokens (76% lower; 4.17x difference).
- KAT-Coder-Pro V2 is $1.3 cheaper per 1M output tokens (52% lower; 2.08x difference).
- Grok 4.3 has 744K more context (3.91x larger).
| Feature | NewGrok 4.3 (xAI) | KAT-Coder-Pro V2 (Kwaipilot) |
|---|---|---|
| Input Price prompt tokens per 1M | $1.25 | $0.3 |
| Completion Price per 1M tokens | $2.5 | $1.2 |
| Sample Workload Cost 1M input + 500K output | $2.5 | $0.9 |
| Context Window | 1M | 256K |
| Release Date |
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 $2.5 for Grok 4.3, saving $1.6 (64% 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 | Grok 4.3 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Grok Build 0.1 can replace Grok 4.3 when lower sample workload cost matters most: $2.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- DeepSeek V4 Flash offers 1.05M context with $0.2 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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