KAT-Coder-Pro V1 vs. Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
Comparison between KAT-Coder-Pro V1 and Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) across intelligence, price, speed, context window and more.
For details relating to our methodology, see our Methodology page.
| Intelligence | |||
|---|---|---|---|
| Intelligence Index | 19* | 8* | |
| AA-Briefcase v1.1 | 601 | ||
| GDPval-AA v2.1 | 731 | ||
| Humanity's Last Exam | 34% | 7% | |
| CritPt | 0% | 0% | |
| AA-Omniscience | −38 | −45 | |
| AA-LCR v1.1 | 39% | ||
| Cost | |||
| Token Use | |||
| Performance | |||
| Technical specifications | |||
| Context Window | 256k tokens~384 A4 pages of size 12 Arial font | 128k tokens~192 A4 pages of size 12 Arial font | |
| Release Date | November 2025 | April 2025 | |
| Total parameters | 253B | ||
| Reasoning | No | Yes | |
| Input modality | Supports: text | Supports: text | |
| Output modality | Supports: text | Supports: text | |
| Open Source (Weights) | No | ||
| License | |||
| License Supports Commercial Use Without Restrictions | Yes | ||
* Estimated
Speed
Intelligence
Artificial Analysis Intelligence Index
Artificial Analysis Intelligence Index by Open Weights / Proprietary
Intelligence Index vs. Cost per Task
Cost per Task (USD, Log Scale)
Measures the performance of models on specific capabilities and industries
Artificial Analysis Economics Index
Evaluations
Agentic knowledge work, (Elo-500)/2000
Knowledge
1 - hallucination rate
Agentic SaaS workflows
Agentic real-world work tasks, (Elo-500)/2000
Reasoning & knowledge
Professional document reasoning, All-pass
Agentic coding & terminal use
Long context reasoning
Coding
Physics reasoning
Agentic scientific research workflows in a terminal
Agentic software engineering in open-source repositories
Quantitative analysis on spreadsheets & documents
Legal agentic work, Hallucination-Gated All-Pass Rate
Agentic business operations
Agentic interactive 3D experiences, (Elo-500)/2000
Kubernetes incident root-cause analysis
Medical long context reasoning
Visual reasoning
AA-Briefcase v1.1Updated
AA-Briefcase Elo
AA-Omniscience
AA-Omniscience Index
Openness Index
Artificial Analysis Openness Index: Score
Intelligence Index Comparisons
Intelligence Index vs. Cost per Task
Cost per Task (USD, Log Scale)
Cost
Cost per Intelligence Index Task
Cost to Run Artificial Analysis Intelligence Index
Pricing: Cache Hit, Input, and Output
Context Window
Context Window
Model Size (Open Weights Models Only)
Model Size: Total and Active Parameters
Frequently Asked Questions
KAT-Coder-Pro V1 is more intelligent. KAT-Coder-Pro V1 scores 19 (estimated), compared with Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) at 8 (estimated) on the Artificial Analysis Intelligence Index.
KAT-Coder-Pro V1 has a larger context window. KAT-Coder-Pro V1 supports 260k tokens, compared with Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) at 130k tokens.