Inflection 3 vs Molmo 72B

Compare Inflection 3 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 Inflection 3 Molmo 72B
CategoryFrontierVision
Parameters~300B72B
Context Window128K128K
Input Price$0.06/1M tokens$0.04/1M tokens
Output Price$0.12/1M tokens$0.08/1M tokens
Latency~400ms~350ms

Choose Inflection 3 when:

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

Empathetic responses, Strong conversation, Good EQ

Choose Molmo 72B when:

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

Fully open, Good pointing/grounding, Transparent

Verdict: Inflection 3 vs Molmo 72B

For cost efficiency, Molmo 72B wins at $0.04/1M input tokens. For speed, Molmo 72B is faster at ~350ms. Inflection 3 excels at Counseling chatbots 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

Inflection 3 costs $0.06/1M input tokens and $0.12/1M output tokens. Molmo 72B costs $0.04 input and $0.08 output. Molmo 72B is 1.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Inflection 3 has a 128K context window with ~400ms latency. Molmo 72B offers 128K context at ~350ms. Both have identical context windows.

Best For

Inflection 3 (Frontier) is optimized for: Counseling chatbots, Spiritual guidance, Emotional support. 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 Inflection 3
response_a = client.chat.completions.create(
    model="inflection-3",
    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"}]
)

Start Building with XALEN

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, Inflection 3 or Molmo 72B?

Inflection 3 (Frontier, ~300B) offers Empathetic responses. Molmo 72B (Vision, 72B) offers Fully open. Choose Inflection 3 for Counseling chatbots or Molmo 72B for Visual grounding.

How much does Inflection 3 cost vs Molmo 72B?

Inflection 3: $0.06/1M input, $0.12/1M 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 Inflection 3 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.