Llama-3.1-Nemotron-Ultra-253B-v1 is a large language model (LLM) optimized for advanced reasoning, human-interactive chat, retrieval-augmented generation (RAG), and tool-calling tasks. Derived from Meta’s Llama-3.1-405B-Instruct, it has bee…
Model details →NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 vs Perplexity: Sonar Deep Research
NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Sonar Deep Research is a research-focused model designed for multi-step retrieval, synthesis, and reasoning across complex topics. It autonomously searches, reads, and evaluates sources, refining its approach as it gathers information. This…
Model details →Side-by-side comparison
| Capability | NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 | Perplexity: Sonar Deep Research | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 128K | 🏆 NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.60 | $2.00 | 🏆 NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.80 | $8.00 | 🏆 NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 better than Perplexity: Sonar Deep Research?
NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 and Perplexity: Sonar Deep Research?
Input: $0.60 vs $2.00 per 1M tokens. Output: $1.80 vs $8.00 per 1M tokens.
What context windows do NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 and Perplexity: Sonar Deep Research support?
NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 supports up to 131K tokens. Perplexity: Sonar Deep Research supports up to 128K tokens.
Do both NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 and Perplexity: Sonar Deep Research support tool calling?
NVIDIA: Llama 3.1 Nemotron Ultra 253B v1: not advertised. Perplexity: Sonar Deep Research: not advertised.