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Llama 3.1 Nemotron Ultra 253B (Nebius AI)
nvidia·nvidia/llama-3.1-nemotron-ultra-253b-2·GA·Closed·nemotron series
Flagship Nemotron model for high-throughput reasoning and complex agents
At a glance
Reference price$0.60 / $1.80 per 1M
Cache read — · LLM Gateway
Lowest paid$0.60 / $1.80
LLM Gateway Gateway
Context128,000
Output limit128,000
Capabilities
ReasoningTool useStructured output✓ TemperatureAttachments
Modalities
Text
Knowledge cutoff—
Released / updated2025-04-07 / 2025-04-07
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| LLM Gateway nebius/llama-3.1-nemotron-ultra-253b | Gateway | $0.60 | $1.80 | — | — | 128,000 | 128,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1LLM Gateway$210.00
The cheapest paid channel is the only channel.
Related models
nemotron-lightning-3.5-30b-a3bsame series$0.045 / $0.18Nemotron 3.5 Lightning 30B A3Bsame series$0 / $0Nvidia Nemotron 3.5 Lightningsame series$0.05 / $0.20Qwen3-Next 80B-A3B Instructcheaper alternative$0.144 / $0.574Qwen3-Coder 30B-A3B Instructcheaper alternative$0.216 / $0.861Llama-3.1-8B-Instructcheaper alternative$0.15 / $0.45Qwen3 Coder Flashcheaper alternative$0.144 / $0.574
Price historyone sample accumulated per data sync
Input list $0.60Output list $1.80Min blended $0.90
Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-21). Each future sync adds a point, and once accumulated a line is drawn here.