Mistral Small 3.1 vs Stable Image Ultra
Compare Mistral Small 3.1 and Stable Image Ultra: 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 | Mistral Small 3.1 | Stable Image Ultra |
|---|---|---|
| Category | Compact | Image |
| Parameters | 24B | ~12B |
| Context Window | 128K | N/A |
| Input Price | $0.02/1M tokens | $0.008/image/1M tokens |
| Output Price | $0.04/1M tokens | N/A/1M tokens |
| Latency | ~120ms | ~4s |
Choose Mistral Small 3.1 when:
- ✓ Lightweight tasks
- ✓ Classification
- ✓ Simple generation
128K context, Low cost, Fast
Choose Stable Image Ultra when:
- ✓ Premium photography
- ✓ Marketing
- ✓ Product shoots
Highest quality, Photorealistic, Professional
Verdict: Mistral Small 3.1 vs Stable Image Ultra
For cost efficiency, Stable Image Ultra wins at $0.008/image/1M input tokens. For speed, Mistral Small 3.1 is faster at ~120ms. Mistral Small 3.1 excels at Lightweight tasks while Stable Image Ultra is better for Premium photography. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
Mistral Small 3.1 costs $0.02/1M input tokens and $0.04/1M output tokens. Stable Image Ultra costs $0.008/image input and N/A output. Stable Image Ultra is 2.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Mistral Small 3.1 has a 128K context window with ~120ms latency. Stable Image Ultra offers N/A context at ~4s. Mistral Small 3.1 has the larger context window.
Best For
Mistral Small 3.1 (Compact) is optimized for: Lightweight tasks, Classification, Simple generation. Stable Image Ultra (Image) works best for: Premium photography, Marketing, Product shoots.
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 Mistral Small 3.1
response_a = client.chat.completions.create(
model="mistral-small-3-1",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Stable Image Ultra
response_b = client.chat.completions.create(
model="stable-image-ultra",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Mistral Small 3.1 or Stable Image Ultra?
Mistral Small 3.1 (Compact, 24B) offers 128K context. Stable Image Ultra (Image, ~12B) offers Highest quality. Choose Mistral Small 3.1 for Lightweight tasks or Stable Image Ultra for Premium photography.
How much does Mistral Small 3.1 cost vs Stable Image Ultra?
Mistral Small 3.1: $0.02/1M input, $0.04/1M output. Stable Image Ultra: $0.008/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 Mistral Small 3.1 and Stable Image Ultra 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.