FLUX 1.1 Pro Ultra vs Dolphin 2.9.3 72B
Compare FLUX 1.1 Pro Ultra and Dolphin 2.9.3 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 | FLUX 1.1 Pro Ultra | Dolphin 2.9.3 72B |
|---|---|---|
| Category | Image | Open Source |
| Parameters | ~30B | 72B |
| Context Window | N/A | 128K |
| Input Price | $0.06/image/1M tokens | $0.04/1M tokens |
| Output Price | N/A/1M tokens | $0.08/1M tokens |
| Latency | ~6s | ~350ms |
Choose FLUX 1.1 Pro Ultra when:
- ✓ Print-quality imagery
- ✓ Ultra-HD content
- ✓ Professional art
Ultra quality, 4K output, Best detail
Choose Dolphin 2.9.3 72B when:
- ✓ Creative writing
- ✓ Unrestricted generation
- ✓ Research
Uncensored, Strong instruction following, Versatile
Verdict: FLUX 1.1 Pro Ultra vs Dolphin 2.9.3 72B
For cost efficiency, Dolphin 2.9.3 72B wins at $0.04/1M input tokens. For speed, Dolphin 2.9.3 72B is faster at ~350ms. FLUX 1.1 Pro Ultra excels at Print-quality imagery while Dolphin 2.9.3 72B is better for Creative writing. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
FLUX 1.1 Pro Ultra costs $0.06/image/1M input tokens and N/A/1M output tokens. Dolphin 2.9.3 72B costs $0.04 input and $0.08 output. Dolphin 2.9.3 72B is 1.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
FLUX 1.1 Pro Ultra has a N/A context window with ~6s latency. Dolphin 2.9.3 72B offers 128K context at ~350ms. Dolphin 2.9.3 72B has the larger context window.
Best For
FLUX 1.1 Pro Ultra (Image) is optimized for: Print-quality imagery, Ultra-HD content, Professional art. Dolphin 2.9.3 72B (Open Source) works best for: Creative writing, Unrestricted generation, 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 FLUX 1.1 Pro Ultra
response_a = client.chat.completions.create(
model="flux-1-1-pro-ultra",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Dolphin 2.9.3 72B
response_b = client.chat.completions.create(
model="dolphin-2-9-3-72b",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, FLUX 1.1 Pro Ultra or Dolphin 2.9.3 72B?
FLUX 1.1 Pro Ultra (Image, ~30B) offers Ultra quality. Dolphin 2.9.3 72B (Open Source, 72B) offers Uncensored. Choose FLUX 1.1 Pro Ultra for Print-quality imagery or Dolphin 2.9.3 72B for Creative writing.
How much does FLUX 1.1 Pro Ultra cost vs Dolphin 2.9.3 72B?
FLUX 1.1 Pro Ultra: $0.06/image/1M input, N/A/1M output. Dolphin 2.9.3 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 FLUX 1.1 Pro Ultra and Dolphin 2.9.3 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.