SD 3.5 Large vs Molmo 72B
Compare SD 3.5 Large 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 | SD 3.5 Large | Molmo 72B |
|---|---|---|
| Category | Image | Vision |
| Parameters | 8B | 72B |
| Context Window | N/A | 128K |
| Input Price | $0.004/image/1M tokens | $0.04/1M tokens |
| Output Price | N/A/1M tokens | $0.08/1M tokens |
| Latency | ~3s | ~350ms |
Choose SD 3.5 Large when:
- ✓ Detailed illustrations
- ✓ Temple artwork
- ✓ Marketing imagery
High quality, Detailed output, Good composition
Choose Molmo 72B when:
- ✓ Visual grounding
- ✓ Object detection
- ✓ Research
Fully open, Good pointing/grounding, Transparent
Verdict: SD 3.5 Large vs Molmo 72B
For cost efficiency, SD 3.5 Large wins at $0.004/image/1M input tokens. For speed, Molmo 72B is faster at ~350ms. SD 3.5 Large excels at Detailed illustrations 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
SD 3.5 Large costs $0.004/image/1M input tokens and N/A/1M output tokens. Molmo 72B costs $0.04 input and $0.08 output. SD 3.5 Large is 10.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
SD 3.5 Large has a N/A context window with ~3s latency. Molmo 72B offers 128K context at ~350ms. Molmo 72B has the larger context window.
Best For
SD 3.5 Large (Image) is optimized for: Detailed illustrations, Temple artwork, Marketing imagery. 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 SD 3.5 Large
response_a = client.chat.completions.create(
model="stable-diffusion-3-5-large",
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, SD 3.5 Large or Molmo 72B?
SD 3.5 Large (Image, 8B) offers High quality. Molmo 72B (Vision, 72B) offers Fully open. Choose SD 3.5 Large for Detailed illustrations or Molmo 72B for Visual grounding.
How much does SD 3.5 Large cost vs Molmo 72B?
SD 3.5 Large: $0.004/image/1M input, N/A/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 SD 3.5 Large 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.