Imagen 3 vs SD 3.5 Large
Compare Imagen 3 and SD 3.5 Large: 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 | Imagen 3 | SD 3.5 Large |
|---|---|---|
| Category | Image | Image |
| Parameters | ~5B | 8B |
| Context Window | N/A | N/A |
| Input Price | $0.04/image/1M tokens | $0.004/image/1M tokens |
| Output Price | N/A/1M tokens | N/A/1M tokens |
| Latency | ~4s | ~3s |
Choose Imagen 3 when:
- ✓ Product photography
- ✓ Marketing visuals
- ✓ Social media
Photorealistic quality, Good text rendering, Safe outputs
Choose SD 3.5 Large when:
- ✓ Detailed illustrations
- ✓ Temple artwork
- ✓ Marketing imagery
High quality, Detailed output, Good composition
Verdict: Imagen 3 vs SD 3.5 Large
For cost efficiency, SD 3.5 Large wins at $0.004/image/1M input tokens. For speed, SD 3.5 Large is faster at ~3s. Imagen 3 excels at Product photography while SD 3.5 Large is better for Detailed illustrations. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
Imagen 3 costs $0.04/image/1M input tokens and N/A/1M output tokens. SD 3.5 Large costs $0.004/image input and N/A output. SD 3.5 Large is 10.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Imagen 3 has a N/A context window with ~4s latency. SD 3.5 Large offers N/A context at ~3s. Both have identical context windows.
Best For
Imagen 3 (Image) is optimized for: Product photography, Marketing visuals, Social media. SD 3.5 Large (Image) works best for: Detailed illustrations, Temple artwork, Marketing imagery.
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 Imagen 3
response_a = client.chat.completions.create(
model="imagen-3",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use SD 3.5 Large
response_b = client.chat.completions.create(
model="stable-diffusion-3-5-large",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Imagen 3 or SD 3.5 Large?
Imagen 3 (Image, ~5B) offers Photorealistic quality. SD 3.5 Large (Image, 8B) offers High quality. Choose Imagen 3 for Product photography or SD 3.5 Large for Detailed illustrations.
How much does Imagen 3 cost vs SD 3.5 Large?
Imagen 3: $0.04/image/1M input, N/A/1M output. SD 3.5 Large: $0.004/image/1M input, N/A/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 Imagen 3 and SD 3.5 Large 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.