NVIDIA Nemotron 70B vs Inflection 3

Compare NVIDIA Nemotron 70B and Inflection 3: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

All NVIDIA models All Inflection models What is an LLM API? Python Quickstart What is inference?
Feature NVIDIA Nemotron 70B Inflection 3
CategoryOpen SourceFrontier
Parameters70B~300B
Context Window128K128K
Input Price$0.04/1M tokens$0.06/1M tokens
Output Price$0.06/1M tokens$0.12/1M tokens
Latency~300ms~400ms

Choose NVIDIA Nemotron 70B when:

  • ✓ Helpful chatbots
  • ✓ Customer service
  • ✓ Q&A
Key Strengths:

Optimized for helpfulness, Strong quality, Good reasoning

Choose Inflection 3 when:

  • ✓ Counseling chatbots
  • ✓ Spiritual guidance
  • ✓ Emotional support
Key Strengths:

Empathetic responses, Strong conversation, Good EQ

Verdict: NVIDIA Nemotron 70B vs Inflection 3

For cost efficiency, NVIDIA Nemotron 70B wins at $0.04/1M input tokens. For speed, NVIDIA Nemotron 70B is faster at ~300ms. NVIDIA Nemotron 70B excels at Helpful chatbots while Inflection 3 is better for Counseling chatbots. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

NVIDIA Nemotron 70B costs $0.04/1M input tokens and $0.06/1M output tokens. Inflection 3 costs $0.06 input and $0.12 output. NVIDIA Nemotron 70B is 1.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

NVIDIA Nemotron 70B has a 128K context window with ~300ms latency. Inflection 3 offers 128K context at ~400ms. Both have identical context windows.

Best For

NVIDIA Nemotron 70B (Open Source) is optimized for: Helpful chatbots, Customer service, Q&A. Inflection 3 (Frontier) works best for: Counseling chatbots, Spiritual guidance, Emotional support.

Try Both on XALEN

Both models are available through XALEN's OpenAI-compatible API. Switch between them by changing the model parameter:

from xalen import XALEN

client = XALEN(api_key="xln_test_YOUR_KEY")

# Use NVIDIA Nemotron 70B
response_a = client.chat.completions.create(
    model="nvidia-llama-3-1-nemotron-70b",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Inflection 3
response_b = client.chat.completions.create(
    model="inflection-3",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, NVIDIA Nemotron 70B or Inflection 3?

NVIDIA Nemotron 70B (Open Source, 70B) offers Optimized for helpfulness. Inflection 3 (Frontier, ~300B) offers Empathetic responses. Choose NVIDIA Nemotron 70B for Helpful chatbots or Inflection 3 for Counseling chatbots.

How much does NVIDIA Nemotron 70B cost vs Inflection 3?

NVIDIA Nemotron 70B: $0.04/1M input, $0.06/1M output. Inflection 3: $0.06/1M input, $0.12/1M output. Both available on XALEN with batch processing at 50% discount.

Can I use both models on XALEN?

Yes. XALEN provides 200+ models through a single OpenAI-compatible API. Switch between NVIDIA Nemotron 70B and Inflection 3 by changing the model parameter. No code changes needed.

Related Comparisons

NVIDIA Nemotron 70B vs GPT-4.1 NVIDIA Nemotron 70B vs GPT-4.1 Mini NVIDIA Nemotron 70B vs GPT-4o NVIDIA Nemotron 70B vs Claude Opus 4 NVIDIA Nemotron 70B vs Claude Sonnet 4 NVIDIA Nemotron 70B vs Claude Opus 4.5

Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.