DeepSeek V3.1 vs FLUX 1.1 Pro
Compare DeepSeek V3.1 and FLUX 1.1 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 | DeepSeek V3.1 | FLUX 1.1 Pro |
|---|---|---|
| Category | Open Source | Image |
| Parameters | 685B (37B active) | 24B |
| Context Window | 128K | N/A |
| Input Price | $0.06/1M tokens | $0.05/image/1M tokens |
| Output Price | $0.10/1M tokens | N/A/1M tokens |
| Latency | ~400ms | ~4s |
Choose DeepSeek V3.1 when:
- ✓ Production apps
- ✓ Content generation
- ✓ Multi-language
Improved quality, Better safety, Stronger multilingual
Choose FLUX 1.1 Pro when:
- ✓ Premium marketing
- ✓ Temple artwork
- ✓ Product photography
Highest quality, Best prompt adherence, Professional grade
Verdict: DeepSeek V3.1 vs FLUX 1.1 Pro
For cost efficiency, FLUX 1.1 Pro wins at $0.05/image/1M input tokens. For speed, DeepSeek V3.1 is faster at ~400ms. DeepSeek V3.1 excels at Production apps while FLUX 1.1 Pro is better for Premium marketing. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
DeepSeek V3.1 costs $0.06/1M input tokens and $0.10/1M output tokens. FLUX 1.1 Pro costs $0.05/image input and N/A output. FLUX 1.1 Pro is 1.2x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
DeepSeek V3.1 has a 128K context window with ~400ms latency. FLUX 1.1 Pro offers N/A context at ~4s. DeepSeek V3.1 has the larger context window.
Best For
DeepSeek V3.1 (Open Source) is optimized for: Production apps, Content generation, Multi-language. FLUX 1.1 Pro (Image) works best for: Premium marketing, Temple artwork, Product photography.
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 DeepSeek V3.1
response_a = client.chat.completions.create(
model="deepseek-v3-1",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use FLUX 1.1 Pro
response_b = client.chat.completions.create(
model="flux-1-1-pro",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, DeepSeek V3.1 or FLUX 1.1 Pro?
DeepSeek V3.1 (Open Source, 685B (37B active)) offers Improved quality. FLUX 1.1 Pro (Image, 24B) offers Highest quality. Choose DeepSeek V3.1 for Production apps or FLUX 1.1 Pro for Premium marketing.
How much does DeepSeek V3.1 cost vs FLUX 1.1 Pro?
DeepSeek V3.1: $0.06/1M input, $0.10/1M output. FLUX 1.1 Pro: $0.05/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 DeepSeek V3.1 and FLUX 1.1 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.