Nemotron 3 Ultra (batch) is $0.14 cheaper per 1M input tokens (18.9% lower; 1.23x difference).
API cost decision in 10 seconds
KAT-Coder-Pro V2.5 vs Nemotron 3 Ultra (batch)
Pick KAT-Coder-Pro V2.5 for lower cost; pick Nemotron 3 Ultra (batch) 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 V2.5 for lower cost; pick Nemotron 3 Ultra (batch) only if the larger context window matters more.
On the standard 1M input plus 500K output workload, KAT-Coder-Pro V2.5 is estimated at $2.22 vs $2.4 for Nemotron 3 Ultra (batch), saving $0.18 (7.5% lower).
Cost-first pickKAT-Coder-Pro V2.5
Context-first pickNemotron 3 Ultra (batch)
Sample savings$0.187.5%
10x traffic gap$1.8
Nemotron 3 Ultra (batch) has more context, but KAT-Coder-Pro V2.5 saves $0.18 on the standard workload. At 10x that traffic, the same price gap is about $1.8. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Cost winner changes by workload shape: input-heavy / RAG favors Nemotron 3 Ultra (batch), balanced workload favors KAT-Coder-Pro V2.5, and output-heavy chatbot favors KAT-Coder-Pro V2.5.
| Workload shape | Token mix | Better pick | KAT-Coder-Pro V2.5 | Nemotron 3 Ultra (batch) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Nemotron 3 Ultra (batch) | $5.18 | $4.8 |
| Balanced workload | 1M input + 1M output | KAT-Coder-Pro V2.5 | $3.7 | $4.2 |
| Output-heavy chatbot | 1M input + 5M output | KAT-Coder-Pro V2.5 | $15.54 | $18.6 |
KAT-Coder-Pro V2.5 is $0.64 cheaper per 1M output tokens (17.8% lower; 1.22x difference).
Nemotron 3 Ultra (batch) has 256.29K more context (2x larger).
KAT-Coder-Pro V2.5 is $0.18 cheaper on the standard workload (7.5% 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
Nemotron 3 Ultra (batch) has the lower input price; KAT-Coder-Pro V2.5 has the lower output price; Nemotron 3 Ultra (batch) offers the larger context window. For the 1M input plus 500K output sample, KAT-Coder-Pro V2.5 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 $2.4 for Nemotron 3 Ultra (batch).
Choose KAT-Coder-Pro V2.5 when you care most about lower output-token price.
Choose Nemotron 3 Ultra (batch) when you care most about lower input-token price, and larger context window.
- On the standard 1M input plus 500K output workload, KAT-Coder-Pro V2.5 is estimated at $2.22 vs $2.4 for Nemotron 3 Ultra (batch), saving $0.18 (7.5% lower).
- KAT-Coder-Pro V2.5 is $0.18 cheaper on the standard workload (7.5% lower).
- Nemotron 3 Ultra (batch) is $0.14 cheaper per 1M input tokens (18.9% lower; 1.23x difference).
- KAT-Coder-Pro V2.5 is $0.64 cheaper per 1M output tokens (17.8% lower; 1.22x difference).
- Nemotron 3 Ultra (batch) has 256.29K more context (2x larger).
| Feature | KAT-Coder-Pro V2.5 (Kwaipilot) | Nemotron 3 Ultra (batch) (NVIDIA) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.74 | $0.6 |
| Completion Price per 1M tokens | $2.96 | $3.6 |
| Sample Workload Cost 1M input + 500K output | $2.22 | $2.4 |
| Context Window | 256K | 512.29K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | KAT-Coder-Pro V2.5 | On the standard 1M input plus 500K output workload, KAT-Coder-Pro V2.5 is estimated at $2.22 vs $2.4 for Nemotron 3 Ultra (batch), saving $0.18 (7.5% lower). |
| High-volume input processing | Nemotron 3 Ultra (batch) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | KAT-Coder-Pro V2.5 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Nemotron 3 Ultra (batch) | 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.
- Nemotron 3 Ultra (free) can replace Nemotron 3 Ultra (batch) when lower sample workload cost matters most: $0.
- Nemotron 3.5 Lightning (free) can replace Nemotron 3 Ultra (batch) when lower sample workload cost matters most: $0.
- 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 modelsNVIDIA catalog
Check other NVIDIA models with comparable pricing, context, or release timing.
Open NVIDIA 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...
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...