LLMOpen weights
Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
Updated May 22, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Specifications
- Type
- LLM
- Access
- Open weights
- Released
- April 7, 2025
- License
- LLAMA 3 1 community license
- Parameters
- 253000000000
- Knowledge cutoff
- December 1, 2023
- Output speed
- 42 tok/s
- Latency (TTFT)
- 0.72s
- API pricing
- $0.60 in · $1.80 out / 1M tokens