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Llama Nemotron Ultra 253B
About Llama Nemotron Ultra 253B
Llama Nemotron Ultra 253B is an AI model developed by NVIDIA, in the language category, released in 2025, made available as an open-weights model with 253B params.
On this page you'll find Llama Nemotron Ultra 253B's full specifications, including 8 benchmark results. Review provider pricing and benchmark scores below, or compare Llama Nemotron Ultra 253B head-to-head with other language models.
Links
Run Llama Nemotron Ultra 253B locally — what to buy
Share this build ↗Sized to what Llama Nemotron Ultra 253B actually needs (~8k context at Q4), not to the biggest GPU: Good = cheapest that runs it, Better = best value, Best = most headroom. Speed is a hardware estimate; anything past ~120 tok/s is shown as instant.
Software support
✓ measured · · compatible · — not supported. Informational only — speed is hardware-based.
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Llama Nemotron Ultra 253B benchmark scores▶
| Benchmark | Category | Score | Variant |
|---|---|---|---|
| LiveCodeBench | code | 66.31% | reasoning-on-lcb-aug24-feb25 |
| LiveCodeBench | code | 29.03% | reasoning-off-lcb-aug24-feb25 |
| AIME 2025 | math | 72.5% | reasoning-on-pass@1 |
| AIME 2025 | math | 16.67% | reasoning-off-pass@1 |
| MATH-500 | math | 97% | reasoning-on-pass@1 |
| MATH-500 | math | 80.4% | reasoning-off-pass@1 |
| GPQA Diamond | reasoning | 76.01% | reasoning-on-pass@1 |
| GPQA Diamond | reasoning | 56.6% | reasoning-off-pass@1 |
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Frequently asked questions
What is Llama Nemotron Ultra 253B? ▶
Llama Nemotron Ultra 253B is an AI model developed by NVIDIA, in the language category, released in 2025. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.
Who created Llama Nemotron Ultra 253B? ▶
Llama Nemotron Ultra 253B was developed by NVIDIA and released in 2025.
Is Llama Nemotron Ultra 253B open source or proprietary? ▶
Llama Nemotron Ultra 253B ships as an open-weights model: you can download and self-host the weights, though the licence may place some restrictions on use.
How much does Llama Nemotron Ultra 253B cost? ▶
Pricing for Llama Nemotron Ultra 253B depends on the provider. See the providers table on this page for the latest API rates.
How does Llama Nemotron Ultra 253B perform on benchmarks? ▶
Llama Nemotron Ultra 253B is benchmarked across 8 evaluations on GenAIList, including LiveCodeBench (66.31%). See the full benchmark table below and compare it with other models.
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