SD 3.5 Large vs Phi-4
Compare SD 3.5 Large and Phi-4: 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 | Phi-4 |
|---|---|---|
| Category | Image | Compact |
| Parameters | 8B | 14B |
| Context Window | N/A | 16K |
| Input Price | $0.004/image/1M tokens | $0.01/1M tokens |
| Output Price | N/A/1M tokens | $0.02/1M tokens |
| Latency | ~3s | ~100ms |
Choose SD 3.5 Large when:
- ✓ Detailed illustrations
- ✓ Temple artwork
- ✓ Marketing imagery
High quality, Detailed output, Good composition
Choose Phi-4 when:
- ✓ Edge deployments
- ✓ Cost-sensitive apps
- ✓ Classification
Very compact, Strong reasoning for size, Extremely low cost
Verdict: SD 3.5 Large vs Phi-4
For cost efficiency, SD 3.5 Large wins at $0.004/image/1M input tokens. For speed, Phi-4 is faster at ~100ms. SD 3.5 Large excels at Detailed illustrations while Phi-4 is better for Edge deployments. 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. Phi-4 costs $0.01 input and $0.02 output. SD 3.5 Large is 2.5x 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. Phi-4 offers 16K context at ~100ms. Phi-4 has the larger context window.
Best For
SD 3.5 Large (Image) is optimized for: Detailed illustrations, Temple artwork, Marketing imagery. Phi-4 (Compact) works best for: Edge deployments, Cost-sensitive apps, Classification.
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 Phi-4
response_b = client.chat.completions.create(
model="phi-4",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, SD 3.5 Large or Phi-4?
SD 3.5 Large (Image, 8B) offers High quality. Phi-4 (Compact, 14B) offers Very compact. Choose SD 3.5 Large for Detailed illustrations or Phi-4 for Edge deployments.
How much does SD 3.5 Large cost vs Phi-4?
SD 3.5 Large: $0.004/image/1M input, N/A/1M output. Phi-4: $0.01/1M input, $0.02/1M 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 Phi-4 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.