NVIDIA Nemotron 70B vs Stable Image Ultra

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

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

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Feature NVIDIA Nemotron 70B Stable Image Ultra
CategoryOpen SourceImage
Parameters70B~12B
Context Window128KN/A
Input Price$0.04/1M tokens$0.008/image/1M tokens
Output Price$0.06/1M tokensN/A/1M tokens
Latency~300ms~4s

Choose NVIDIA Nemotron 70B when:

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

Optimized for helpfulness, Strong quality, Good reasoning

Choose Stable Image Ultra when:

  • ✓ Premium photography
  • ✓ Marketing
  • ✓ Product shoots
Key Strengths:

Highest quality, Photorealistic, Professional

Verdict: NVIDIA Nemotron 70B vs Stable Image Ultra

For cost efficiency, Stable Image Ultra wins at $0.008/image/1M input tokens. For speed, NVIDIA Nemotron 70B is faster at ~300ms. NVIDIA Nemotron 70B excels at Helpful chatbots while Stable Image Ultra is better for Premium photography. 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. Stable Image Ultra costs $0.008/image input and N/A output. Stable Image Ultra is 5.0x 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. Stable Image Ultra offers N/A context at ~4s. NVIDIA Nemotron 70B has the larger context window.

Best For

NVIDIA Nemotron 70B (Open Source) is optimized for: Helpful chatbots, Customer service, Q&A. Stable Image Ultra (Image) works best for: Premium photography, Marketing, Product shoots.

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 Stable Image Ultra
response_b = client.chat.completions.create(
    model="stable-image-ultra",
    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 Stable Image Ultra?

NVIDIA Nemotron 70B (Open Source, 70B) offers Optimized for helpfulness. Stable Image Ultra (Image, ~12B) offers Highest quality. Choose NVIDIA Nemotron 70B for Helpful chatbots or Stable Image Ultra for Premium photography.

How much does NVIDIA Nemotron 70B cost vs Stable Image Ultra?

NVIDIA Nemotron 70B: $0.04/1M input, $0.06/1M output. Stable Image Ultra: $0.008/image/1M input, N/A/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 Stable Image Ultra by changing the model parameter. No code changes needed.

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