IBM Granite 3.1 2B vs Molmo 72B
Compare IBM Granite 3.1 2B 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 | IBM Granite 3.1 2B | Molmo 72B |
|---|---|---|
| Category | Compact | Vision |
| Parameters | 2B | 72B |
| Context Window | 128K | 128K |
| Input Price | $0.004/1M tokens | $0.04/1M tokens |
| Output Price | $0.008/1M tokens | $0.08/1M tokens |
| Latency | ~30ms | ~350ms |
Choose IBM Granite 3.1 2B when:
- ✓ Edge enterprise
- ✓ Compliance-required
- ✓ Fast classification
Enterprise-grade, Tiny, 128K context
Choose Molmo 72B when:
- ✓ Visual grounding
- ✓ Object detection
- ✓ Research
Fully open, Good pointing/grounding, Transparent
Verdict: IBM Granite 3.1 2B vs Molmo 72B
For cost efficiency, IBM Granite 3.1 2B wins at $0.004/1M input tokens. For speed, IBM Granite 3.1 2B is faster at ~30ms. IBM Granite 3.1 2B excels at Edge enterprise 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
IBM Granite 3.1 2B costs $0.004/1M input tokens and $0.008/1M output tokens. Molmo 72B costs $0.04 input and $0.08 output. IBM Granite 3.1 2B is 10.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
IBM Granite 3.1 2B has a 128K context window with ~30ms latency. Molmo 72B offers 128K context at ~350ms. Both have identical context windows.
Best For
IBM Granite 3.1 2B (Compact) is optimized for: Edge enterprise, Compliance-required, Fast classification. 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 IBM Granite 3.1 2B
response_a = client.chat.completions.create(
model="granite-3-1-2b",
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, IBM Granite 3.1 2B or Molmo 72B?
IBM Granite 3.1 2B (Compact, 2B) offers Enterprise-grade. Molmo 72B (Vision, 72B) offers Fully open. Choose IBM Granite 3.1 2B for Edge enterprise or Molmo 72B for Visual grounding.
How much does IBM Granite 3.1 2B cost vs Molmo 72B?
IBM Granite 3.1 2B: $0.004/1M input, $0.008/1M 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 IBM Granite 3.1 2B 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.