Amazon Nova Micro vs Molmo 72B

Compare Amazon Nova Micro 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

All Amazon models All AI2 models What is an LLM API? Python Quickstart What is inference?
Feature Amazon Nova Micro Molmo 72B
CategoryCompactVision
Parameters~8B72B
Context Window128K128K
Input Price$0.001/1M tokens$0.04/1M tokens
Output Price$0.004/1M tokens$0.08/1M tokens
Latency~50ms~350ms

Choose Amazon Nova Micro when:

  • ✓ Classification
  • ✓ Intent detection
  • ✓ Preprocessing
Key Strengths:

Cheapest inference, Ultra-fast, Text-only

Choose Molmo 72B when:

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

Fully open, Good pointing/grounding, Transparent

Verdict: Amazon Nova Micro vs Molmo 72B

For cost efficiency, Amazon Nova Micro wins at $0.001/1M input tokens. For speed, Molmo 72B is faster at ~350ms. Amazon Nova Micro excels at Classification 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

Amazon Nova Micro costs $0.001/1M input tokens and $0.004/1M output tokens. Molmo 72B costs $0.04 input and $0.08 output. Amazon Nova Micro is 40.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Amazon Nova Micro has a 128K context window with ~50ms latency. Molmo 72B offers 128K context at ~350ms. Both have identical context windows.

Best For

Amazon Nova Micro (Compact) is optimized for: Classification, Intent detection, Preprocessing. 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 Amazon Nova Micro
response_a = client.chat.completions.create(
    model="amazon-nova-micro",
    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

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

Get API Key Try in Playground

Frequently Asked Questions

Which is better, Amazon Nova Micro or Molmo 72B?

Amazon Nova Micro (Compact, ~8B) offers Cheapest inference. Molmo 72B (Vision, 72B) offers Fully open. Choose Amazon Nova Micro for Classification or Molmo 72B for Visual grounding.

How much does Amazon Nova Micro cost vs Molmo 72B?

Amazon Nova Micro: $0.001/1M input, $0.004/1M 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 Amazon Nova Micro 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.