FLUX.1 Dev vs Solar Pro
Compare FLUX.1 Dev and Solar Pro: 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 Dev | Solar Pro |
|---|---|---|
| Category | Image | Open Source |
| Parameters | 12B | 22B |
| Context Window | N/A | 32K |
| Input Price | $0.003/image/1M tokens | $0.02/1M tokens |
| Output Price | N/A/1M tokens | $0.04/1M tokens |
| Latency | ~3s | ~180ms |
Choose FLUX.1 Dev when:
- ✓ Custom styles
- ✓ Fine-tuned imagery
- ✓ Development
Fine-tunable, Good quality, Open weights
Choose Solar Pro when:
- ✓ General purpose
- ✓ Korean content
- ✓ Chatbots
Good instruction following, Compact, Efficient
Verdict: FLUX.1 Dev vs Solar Pro
For cost efficiency, FLUX.1 Dev wins at $0.003/image/1M input tokens. For speed, Solar Pro is faster at ~180ms. FLUX.1 Dev excels at Custom styles while Solar Pro is better for General purpose. 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 Dev costs $0.003/image/1M input tokens and N/A/1M output tokens. Solar Pro costs $0.02 input and $0.04 output. FLUX.1 Dev is 6.7x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
FLUX.1 Dev has a N/A context window with ~3s latency. Solar Pro offers 32K context at ~180ms. Solar Pro has the larger context window.
Best For
FLUX.1 Dev (Image) is optimized for: Custom styles, Fine-tuned imagery, Development. Solar Pro (Open Source) works best for: General purpose, Korean content, Chatbots.
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 Dev
response_a = client.chat.completions.create(
model="flux-1-dev",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Solar Pro
response_b = client.chat.completions.create(
model="solar-pro",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, FLUX.1 Dev or Solar Pro?
FLUX.1 Dev (Image, 12B) offers Fine-tunable. Solar Pro (Open Source, 22B) offers Good instruction following. Choose FLUX.1 Dev for Custom styles or Solar Pro for General purpose.
How much does FLUX.1 Dev cost vs Solar Pro?
FLUX.1 Dev: $0.003/image/1M input, N/A/1M output. Solar Pro: $0.02/1M input, $0.04/1M 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 Dev and Solar Pro 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.