Stable Image Ultra vs IBM Granite 3.1 8B
Compare Stable Image Ultra and IBM Granite 3.1 8B: 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 | Stable Image Ultra | IBM Granite 3.1 8B |
|---|---|---|
| Category | Image | Enterprise |
| Parameters | ~12B | 8B |
| Context Window | N/A | 128K |
| Input Price | $0.008/image/1M tokens | $0.01/1M tokens |
| Output Price | N/A/1M tokens | $0.02/1M tokens |
| Latency | ~4s | ~80ms |
Choose Stable Image Ultra when:
- ✓ Premium photography
- ✓ Marketing
- ✓ Product shoots
Highest quality, Photorealistic, Professional
Choose IBM Granite 3.1 8B when:
- ✓ Regulated industries
- ✓ Enterprise compliance
- ✓ IBM ecosystem
Enterprise compliance, IP indemnification, 128K context
Verdict: Stable Image Ultra vs IBM Granite 3.1 8B
For cost efficiency, Stable Image Ultra wins at $0.008/image/1M input tokens. For speed, Stable Image Ultra is faster at ~4s. Stable Image Ultra excels at Premium photography while IBM Granite 3.1 8B is better for Regulated industries. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
Stable Image Ultra costs $0.008/image/1M input tokens and N/A/1M output tokens. IBM Granite 3.1 8B costs $0.01 input and $0.02 output. Stable Image Ultra is 1.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Stable Image Ultra has a N/A context window with ~4s latency. IBM Granite 3.1 8B offers 128K context at ~80ms. IBM Granite 3.1 8B has the larger context window.
Best For
Stable Image Ultra (Image) is optimized for: Premium photography, Marketing, Product shoots. IBM Granite 3.1 8B (Enterprise) works best for: Regulated industries, Enterprise compliance, IBM ecosystem.
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 Stable Image Ultra
response_a = client.chat.completions.create(
model="stable-image-ultra",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use IBM Granite 3.1 8B
response_b = client.chat.completions.create(
model="granite-3-1-8b",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Stable Image Ultra or IBM Granite 3.1 8B?
Stable Image Ultra (Image, ~12B) offers Highest quality. IBM Granite 3.1 8B (Enterprise, 8B) offers Enterprise compliance. Choose Stable Image Ultra for Premium photography or IBM Granite 3.1 8B for Regulated industries.
How much does Stable Image Ultra cost vs IBM Granite 3.1 8B?
Stable Image Ultra: $0.008/image/1M input, N/A/1M output. IBM Granite 3.1 8B: $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 Stable Image Ultra and IBM Granite 3.1 8B 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.