Hermes 3 70B vs Molmo 72B

Compare Hermes 3 70B and Molmo 72B: 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 Hermes 3 70B Molmo 72B
CategoryOpen SourceVision
Parameters70B72B
Context Window128K128K
Input Price$0.04/1M tokens$0.04/1M tokens
Output Price$0.06/1M tokens$0.08/1M tokens
Latency~300ms~350ms

Choose Hermes 3 70B when:

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

Strong function calling, Community-tuned, Good reasoning

Choose Molmo 72B when:

  • ✓ Visual grounding
  • ✓ Object detection
  • ✓ Research
Key Strengths:

Fully open, Good pointing/grounding, Transparent

Verdict: Hermes 3 70B vs Molmo 72B

For cost efficiency, Molmo 72B wins at $0.04/1M input tokens. For speed, Hermes 3 70B is faster at ~300ms. Hermes 3 70B excels at Agent frameworks while Molmo 72B is better for Visual grounding. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Hermes 3 70B costs $0.04/1M input tokens and $0.06/1M output tokens. Molmo 72B costs $0.04 input and $0.08 output. Both models are similarly priced. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Hermes 3 70B has a 128K context window with ~300ms latency. Molmo 72B offers 128K context at ~350ms. Both have identical context windows.

Best For

Hermes 3 70B (Open Source) is optimized for: Agent frameworks, Tool use, Structured output. Molmo 72B (Vision) works best for: Visual grounding, Object detection, Research.

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

# Use Molmo 72B
response_b = client.chat.completions.create(
    model="molmo-72b",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, Hermes 3 70B or Molmo 72B?

Hermes 3 70B (Open Source, 70B) offers Strong function calling. Molmo 72B (Vision, 72B) offers Fully open. Choose Hermes 3 70B for Agent frameworks or Molmo 72B for Visual grounding.

How much does Hermes 3 70B cost vs Molmo 72B?

Hermes 3 70B: $0.04/1M input, $0.06/1M output. Molmo 72B: $0.04/1M input, $0.08/1M 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 Hermes 3 70B and Molmo 72B 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.