FLUX 1.1 Pro Ultra vs Hermes 3 70B

Compare FLUX 1.1 Pro Ultra and Hermes 3 70B: 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 FLUX 1.1 Pro Ultra Hermes 3 70B
CategoryImageOpen Source
Parameters~30B70B
Context WindowN/A128K
Input Price$0.06/image/1M tokens$0.04/1M tokens
Output PriceN/A/1M tokens$0.06/1M tokens
Latency~6s~300ms

Choose FLUX 1.1 Pro Ultra when:

  • ✓ Print-quality imagery
  • ✓ Ultra-HD content
  • ✓ Professional art
Key Strengths:

Ultra quality, 4K output, Best detail

Choose Hermes 3 70B when:

  • ✓ Agent frameworks
  • ✓ Tool use
  • ✓ Structured output
Key Strengths:

Strong function calling, Community-tuned, Good reasoning

Verdict: FLUX 1.1 Pro Ultra vs Hermes 3 70B

For cost efficiency, Hermes 3 70B wins at $0.04/1M input tokens. For speed, Hermes 3 70B is faster at ~300ms. FLUX 1.1 Pro Ultra excels at Print-quality imagery while Hermes 3 70B is better for Agent frameworks. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

FLUX 1.1 Pro Ultra costs $0.06/image/1M input tokens and N/A/1M output tokens. Hermes 3 70B costs $0.04 input and $0.06 output. Hermes 3 70B is 1.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

FLUX 1.1 Pro Ultra has a N/A context window with ~6s latency. Hermes 3 70B offers 128K context at ~300ms. Hermes 3 70B has the larger context window.

Best For

FLUX 1.1 Pro Ultra (Image) is optimized for: Print-quality imagery, Ultra-HD content, Professional art. Hermes 3 70B (Open Source) works best for: Agent frameworks, Tool use, Structured output.

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 FLUX 1.1 Pro Ultra
response_a = client.chat.completions.create(
    model="flux-1-1-pro-ultra",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Hermes 3 70B
response_b = client.chat.completions.create(
    model="hermes-3-70b",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, FLUX 1.1 Pro Ultra or Hermes 3 70B?

FLUX 1.1 Pro Ultra (Image, ~30B) offers Ultra quality. Hermes 3 70B (Open Source, 70B) offers Strong function calling. Choose FLUX 1.1 Pro Ultra for Print-quality imagery or Hermes 3 70B for Agent frameworks.

How much does FLUX 1.1 Pro Ultra cost vs Hermes 3 70B?

FLUX 1.1 Pro Ultra: $0.06/image/1M input, N/A/1M output. Hermes 3 70B: $0.04/1M input, $0.06/1M 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 FLUX 1.1 Pro Ultra and Hermes 3 70B 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.