Aya Expanse 32B vs Molmo 72B
Compare Aya Expanse 32B 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
| Feature | Aya Expanse 32B | Molmo 72B |
|---|---|---|
| Category | Open Source | Vision |
| Parameters | 32B | 72B |
| Context Window | 128K | 128K |
| Input Price | $0.03/1M tokens | $0.04/1M tokens |
| Output Price | $0.06/1M tokens | $0.08/1M tokens |
| Latency | ~250ms | ~350ms |
Choose Aya Expanse 32B when:
- ✓ Multilingual apps
- ✓ Translation
- ✓ Global content
23 languages, Open weights, Strong multilingual
Choose Molmo 72B when:
- ✓ Visual grounding
- ✓ Object detection
- ✓ Research
Fully open, Good pointing/grounding, Transparent
Verdict: Aya Expanse 32B vs Molmo 72B
For cost efficiency, Aya Expanse 32B wins at $0.03/1M input tokens. For speed, Aya Expanse 32B is faster at ~250ms. Aya Expanse 32B excels at Multilingual apps 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
Aya Expanse 32B costs $0.03/1M input tokens and $0.06/1M output tokens. Molmo 72B costs $0.04 input and $0.08 output. Aya Expanse 32B is 1.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Aya Expanse 32B has a 128K context window with ~250ms latency. Molmo 72B offers 128K context at ~350ms. Both have identical context windows.
Best For
Aya Expanse 32B (Open Source) is optimized for: Multilingual apps, Translation, Global content. 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 Aya Expanse 32B
response_a = client.chat.completions.create(
model="c4ai-aya-expanse-32b",
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"}]
)Frequently Asked Questions
Which is better, Aya Expanse 32B or Molmo 72B?
Aya Expanse 32B (Open Source, 32B) offers 23 languages. Molmo 72B (Vision, 72B) offers Fully open. Choose Aya Expanse 32B for Multilingual apps or Molmo 72B for Visual grounding.
How much does Aya Expanse 32B cost vs Molmo 72B?
Aya Expanse 32B: $0.03/1M 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 Aya Expanse 32B 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.