FLUX 1.1 Pro vs Yi Lightning

Compare FLUX 1.1 Pro and Yi Lightning: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

All Black Forest Labs models All 01.AI models What is an LLM API? Python Quickstart What is inference?
Feature FLUX 1.1 Pro Yi Lightning
CategoryImageOpen Source
Parameters24B200B MoE
Context WindowN/A128K
Input Price$0.05/image/1M tokens$0.04/1M tokens
Output PriceN/A/1M tokens$0.08/1M tokens
Latency~4s~300ms

Choose FLUX 1.1 Pro when:

  • ✓ Premium marketing
  • ✓ Temple artwork
  • ✓ Product photography
Key Strengths:

Highest quality, Best prompt adherence, Professional grade

Choose Yi Lightning when:

  • ✓ High-volume APIs
  • ✓ Fast Q&A
  • ✓ Real-time chatbots
Key Strengths:

Fast inference, Good multilingual, Strong reasoning

Verdict: FLUX 1.1 Pro vs Yi Lightning

For cost efficiency, Yi Lightning wins at $0.04/1M input tokens. For speed, Yi Lightning is faster at ~300ms. FLUX 1.1 Pro excels at Premium marketing while Yi Lightning is better for High-volume APIs. 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 costs $0.05/image/1M input tokens and N/A/1M output tokens. Yi Lightning costs $0.04 input and $0.08 output. Yi Lightning is 1.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

FLUX 1.1 Pro has a N/A context window with ~4s latency. Yi Lightning offers 128K context at ~300ms. Yi Lightning has the larger context window.

Best For

FLUX 1.1 Pro (Image) is optimized for: Premium marketing, Temple artwork, Product photography. Yi Lightning (Open Source) works best for: High-volume APIs, Fast Q&A, Real-time 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 1.1 Pro
response_a = client.chat.completions.create(
    model="flux-1-1-pro",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Yi Lightning
response_b = client.chat.completions.create(
    model="yi-lightning",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, FLUX 1.1 Pro or Yi Lightning?

FLUX 1.1 Pro (Image, 24B) offers Highest quality. Yi Lightning (Open Source, 200B MoE) offers Fast inference. Choose FLUX 1.1 Pro for Premium marketing or Yi Lightning for High-volume APIs.

How much does FLUX 1.1 Pro cost vs Yi Lightning?

FLUX 1.1 Pro: $0.05/image/1M input, N/A/1M output. Yi Lightning: $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 and Yi Lightning by changing the model parameter. No code changes needed.

Related Comparisons

FLUX 1.1 Pro vs DALL-E 3 FLUX 1.1 Pro vs Gemma 3 27B FLUX 1.1 Pro vs Imagen 3 FLUX 1.1 Pro vs Llama 4 Scout FLUX 1.1 Pro vs Llama 4 Maverick FLUX 1.1 Pro vs Llama 3.3 70B

Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.