LLMnvidia

NVIDIA: Llama 3.3 Nemotron Super 49B V1.5

Llama-3.3-Nemotron-Super-49B-v1.5 is a 49B-parameter, English-centric reasoning/chat model derived from Meta’s Llama-3.3-70B-Instruct with a 128K context. It’s post-trained for agentic workflows (RAG, tool calling) via SFT across math, code, science, and...

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Verdict

NVIDIA's Llama 3.3 Nemotron Super 49B V1.5 is a mid-size model optimized for instruction-following and reasoning tasks at a competitive price point. At $0.40/Mtok both ways, it undercuts flagship models while delivering 131K context — useful for document-heavy workflows. The 49B parameter count suggests a sweet spot between speed and capability, though without public benchmarks it's hard to gauge where it ranks against Claude or GPT-4 class models. Reach for this when you need long-context processing without the cost of frontier models and can tolerate some uncertainty on edge-case performance.

Best for

  • Long-context document analysis under budget
  • Instruction-following for structured outputs
  • Reasoning tasks with extended context
  • Cost-sensitive enterprise deployments
  • Workflows requiring 100K+ token windows

Strengths

The 131K context window handles full codebases, legal documents, or multi-turn conversations without truncation. Pricing at $0.40/Mtok for both input and output makes it roughly 10x cheaper than GPT-4 Turbo for equivalent token volumes. The 49B parameter size typically delivers faster inference than 70B+ models while maintaining strong instruction adherence. NVIDIA's Nemotron lineage suggests tuning for enterprise use cases like summarization and extraction where reliability matters more than creative flair.

Trade-offs

No public benchmarks means you're flying blind relative to Claude Sonnet 4.5 or GPT-4o on standard evals like MMLU or HumanEval. The 49B size likely trails 70B+ models on complex reasoning and nuanced language tasks. Symmetric pricing ($0.40 in and out) penalizes output-heavy workloads compared to models with cheaper generation costs. As a proprietary NVIDIA offering, you're locked into their API with no self-hosting option if requirements change.

Specifications

Provider
nvidia
Category
llm
Context length
131,072 tokens
Max output
16,384 tokens
Modalities
text
License
proprietary
Released
2025-10-10

Pricing

Input
$0.40/Mtok
Output
$0.40/Mtok
Model ID
nvidia/llama-3.3-nemotron-super-49b-v1.5

Per-token prices show what the model costs upstream. On Switchy your team draws from one shared org credit pool - one plan, one balance for everyone.

Team cost calculator

Estimated monthly spend
$7.04
17.6M tokens / month
5 seats · 80 msgs/day

Switchy meters this against your org's shared credit pool - one plan, one balance for everyone.

Providers

ProviderContextInputOutputP50 latencyThroughput30d uptime
nvidia131k$0.40/Mtok$0.40/Mtok

Performance

Performance snapshots are collected daily. Check back after the next ingestion run.

Benchmarks

Public benchmark scores are not available yet for this model. Check back after the next ingestion run.

Works well with

Top MCPs

Compatibility data comes from first-party telemetry; once we have enough co-usage signal, top MCPs for this model will appear here.

How Switchy teams use it

Not enough Spaces have used this model yet to share anonymised team stats. We wait for at least 50 distinct Spaces per week before publishing any aggregate.

Starter prompts

Extract Contract Terms

Read the attached contract in full. Extract all payment terms, termination clauses, and liability limits into a structured table with exact page references.
Open in a Space →

Summarize Codebase Changes

Here's a Git diff spanning 80 files. Summarize the architectural changes, list any breaking API modifications, and flag potential security concerns.
Open in a Space →

Multi-Turn Technical Support

You're a technical support agent. The user will describe an issue across multiple messages. Maintain full conversation history and suggest solutions based on all prior context.
Open in a Space →

Structured Data Extraction

Extract all company names, funding amounts, and dates from this news article. Return valid JSON with keys: company, amount_usd, date_announced.
Open in a Space →

Long-Form Report Analysis

Analyze this 40,000-word earnings transcript. Identify the three biggest revenue drivers, any guidance revisions, and management's tone on competitive threats.
Open in a Space →

Example outputs

Illustrative - representative of the model's voice and quality, not literal recordings.

Prompt

Review this Python function for potential bugs and suggest improvements. Focus on edge cases and performance: ```python def merge_sorted_lists(list1, list2): result = [] i = j = 0 while i < len(list1) and j < len(list2): if list1[i] < list2[j]: result.append(list1[i]) i += 1 else: result.append(list2[j]) j += 1 return result ```

Output

The function has a critical bug: it doesn't handle remaining elements after one list is exhausted. When the while loop exits, elements from the longer list are lost. Add these lines after the loop: ```python result.extend(list1[i:]) result.extend(list2[j:]) ``` Performance-wise, repeated `len()` calls in the loop condition are inefficient. Cache the lengths beforehand. For very large lists, consider using `heapq.merge()` from the standard library, which is implemented in C and handles this pattern optimally. The function also lacks input validation—it assumes both inputs are lists and doesn't handle None or non-comparable elements.

Notes

This example demonstrates the model's code review capabilities within its 131K token context window—useful for analyzing larger codebases in a single prompt. The response balances correctness (catching the bug) with practical advice (standard library alternatives). However, without public benchmarks, we can't verify how this compares to specialized code models on standardized tasks.

Prompt

I'm writing a technical blog post about database indexing strategies. Generate an outline with 5 main sections, each with 3 subsections. Target audience: mid-level backend engineers who understand SQL basics but haven't optimized production databases before.

Output

**Database Indexing Strategies: A Practical Guide** 1. Index Fundamentals - How B-tree indexes work under the hood - When indexes hurt performance (write amplification) - Measuring index effectiveness with EXPLAIN 2. Composite Index Design - Column order and query selectivity - Covering indexes for read-heavy workloads - Avoiding index bloat in multi-tenant schemas 3. Specialized Index Types - Partial indexes for filtered queries - GIN/GiST indexes for JSON and full-text search - Expression indexes for computed columns 4. Index Maintenance - Detecting and removing unused indexes - Reindexing strategies for fragmentation - Monitoring index size growth over time 5. Real-World Trade-offs - Balancing read speed vs. write throughput - Index strategies for time-series data - When to denormalize instead of indexing

Notes

Shows the model's ability to structure technical content with appropriate depth for a specific audience. The outline balances theory (how B-trees work) with pragmatic concerns (when not to index). At $0.40/Mtok output pricing, this kind of structured generation is 4x more expensive than input processing—consider batching similar requests to optimize cost.

Prompt

Explain quantum entanglement to a 12-year-old who loves video games. Use a gaming analogy that's accurate enough for a science teacher to approve, but fun enough to keep a kid interested. Keep it under 150 words.

Output

Imagine you and your friend are playing a co-op game online, but with magic dice. You each roll a die at the exact same moment, in different houses. Here's the weird part: if you roll a 6, your friend *always* rolls a 1. If you roll a 4, they *always* roll a 3. The numbers are random, but they're mysteriously linked—they always add up to 7. Quantum entanglement is like that. Two particles can be "entangled" so that measuring one instantly affects the other, even across huge distances. Scientists don't fully understand *how* the connection works—it's not like a secret message traveling between them. It just... happens. Einstein called it "spooky action at a distance" because it seemed impossible. But experiments prove it's real, and scientists are now using it to build super-secure communication systems and quantum computers.

Notes

Demonstrates the model's ability to translate complex concepts across expertise levels while maintaining accuracy. The gaming analogy is pedagogically sound and age-appropriate. The 131K context window means you could follow up with increasingly technical explanations in the same conversation without losing coherence. The response stays under the word limit while covering the essential mystery of non-locality.

Use-case deep-dives

Long-context legal document review

When 131K context beats GPT-4 on contract redlining for small firms

A 4-person legal tech startup needs to compare master service agreements against 80-page compliance checklists without chunking. Llama 3.3 Nemotron Super 49B handles the full 131,072-token window at $0.10/Mtok input—half the cost of GPT-4 Turbo for the same context depth. The model processes entire contracts plus reference documents in one pass, eliminating the error-prone RAG pipeline that breaks cross-references. Output at $0.40/Mtok means a 5,000-token redline memo costs $0.002 per document. If you're running under 200 reviews per month and need citation accuracy across long spans, this is the call. Above that volume, batch-process with Claude 3.5 Haiku to cut output costs by 75%.

Multi-turn customer support triage

Why this model loses to GPT-4o mini on high-frequency support routing

A 12-person SaaS company routes 400 inbound tickets daily through an AI triage layer that reads ticket history and assigns priority tags. Llama 3.3 Nemotron's $0.40/Mtok output pricing makes it expensive for short responses—each 150-token routing decision costs $0.06 compared to GPT-4o mini's $0.009. The 131K context window is overkill when 95% of tickets need only the last 3 exchanges (under 2,000 tokens). Without public benchmarks, you're betting on NVIDIA's fine-tuning against proven alternatives with known accuracy floors. If your ticket volume exceeds 100/day and responses stay under 300 tokens, switch to GPT-4o mini and save $18/day. Reserve this model for the 5% of escalations that need full conversation history.

Batch research summarization pipeline

When 131K context and $0.10 input make this the research synthesis winner

A 3-person market research consultancy summarizes 40-60 analyst reports per project into executive briefs. Each report runs 8,000-15,000 tokens; fitting 6-8 full documents in one prompt eliminates the context-loss problem that breaks thematic synthesis. At $0.10/Mtok input, processing 500K tokens of source material costs $0.05—competitive with Claude 3.5 Haiku while preserving cross-document reasoning in a single inference pass. Output summaries average 3,000 tokens at $0.40/Mtok ($0.0012 per brief), making the total per-project cost under $2 for 30 briefs. If you're synthesizing 10+ long documents per task and need coherent themes across all sources, this model beats chunked approaches. For single-document summaries under 20K tokens, use GPT-4o mini instead.

Frequently asked

Is Llama 3.3 Nemotron Super 49B good for general text tasks?

Yes, with a 131k token context window and competitive pricing at $0.10/$0.40 per Mtok, it handles long-form content, summarization, and multi-turn conversations well. The 49B parameter count sits between smaller fast models and heavyweight reasoning models, making it a solid middle-ground choice for teams that need capability without the cost of 70B+ models.

Is Llama 3.3 Nemotron cheaper than GPT-4o or Claude Sonnet?

Yes, significantly. At $0.10 input and $0.40 output per Mtok, it undercuts GPT-4o ($2.50/$10.00) and Claude Sonnet 3.5 ($3.00/$15.00) by 25-40x on input and output. If you're running high-volume workflows where GPT-4-class intelligence isn't required, this pricing makes Nemotron a practical alternative for cost-sensitive deployments.

Can it handle 128k token documents in practice?

The 131k context window supports full-length documents, but real-world performance depends on NVIDIA's attention implementation. Without public benchmarks showing needle-in-haystack or long-context retrieval scores, test your specific use case first. Most 130k+ models degrade after 80-100k tokens, so validate accuracy on your longest documents before committing to production.

How does Nemotron 49B compare to base Llama 3.3 70B?

Nemotron is NVIDIA's distilled and fine-tuned variant, trading raw parameter count (49B vs 70B) for optimized inference speed and cost. Without head-to-head benchmarks, expect slightly lower ceiling performance but faster responses and better price-per-token economics. Choose Nemotron if latency and cost matter more than squeezing out the last 2-3% accuracy.

Should I use this for customer-facing chatbots?

It depends on your quality bar. The 49B size and Nemotron tuning suggest decent conversational ability, but no public benchmarks means you're flying blind on safety, instruction-following, and refusal behavior. Run internal evals on your conversation flows first. If you need proven chat performance, Claude or GPT-4o Mini are safer bets until Nemotron shows public scores.

Data last verified 8 hours ago.Sources aggregated hourly to weekly. See docs/architecture/model-directory.md.