Gemini 2.5 Flash Lite vs Qwen 2.5 VL 72B

Compare Gemini 2.5 Flash Lite and Qwen 2.5 VL 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

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Feature Gemini 2.5 Flash Lite Qwen 2.5 VL 72B
CategoryCompactVision
Parameters~50B72B
Context Window1M128K
Input Price$0.008/1M tokens$0.05/1M tokens
Output Price$0.03/1M tokens$0.10/1M tokens
Latency~120ms~400ms

Choose Gemini 2.5 Flash Lite when:

  • ✓ Budget applications
  • ✓ Simple Q&A
  • ✓ High-volume
Key Strengths:

Very low cost, 1M context, Fast

Choose Qwen 2.5 VL 72B when:

  • ✓ Document analysis
  • ✓ Chart reading
  • ✓ Visual Q&A
Key Strengths:

Vision + language, Strong Asian text OCR, Good reasoning

Verdict: Gemini 2.5 Flash Lite vs Qwen 2.5 VL 72B

For cost efficiency, Gemini 2.5 Flash Lite wins at $0.008/1M input tokens. For speed, Gemini 2.5 Flash Lite is faster at ~120ms. Gemini 2.5 Flash Lite excels at Budget applications while Qwen 2.5 VL 72B is better for Document analysis. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Gemini 2.5 Flash Lite costs $0.008/1M input tokens and $0.03/1M output tokens. Qwen 2.5 VL 72B costs $0.05 input and $0.10 output. Gemini 2.5 Flash Lite is 6.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Gemini 2.5 Flash Lite has a 1M context window with ~120ms latency. Qwen 2.5 VL 72B offers 128K context at ~400ms. Gemini 2.5 Flash Lite has the larger context window.

Best For

Gemini 2.5 Flash Lite (Compact) is optimized for: Budget applications, Simple Q&A, High-volume. Qwen 2.5 VL 72B (Vision) works best for: Document analysis, Chart reading, Visual Q&A.

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 Gemini 2.5 Flash Lite
response_a = client.chat.completions.create(
    model="gemini-2-5-flash-lite",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Qwen 2.5 VL 72B
response_b = client.chat.completions.create(
    model="qwen-2-5-vl-72b",
    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, Gemini 2.5 Flash Lite or Qwen 2.5 VL 72B?

Gemini 2.5 Flash Lite (Compact, ~50B) offers Very low cost. Qwen 2.5 VL 72B (Vision, 72B) offers Vision + language. Choose Gemini 2.5 Flash Lite for Budget applications or Qwen 2.5 VL 72B for Document analysis.

How much does Gemini 2.5 Flash Lite cost vs Qwen 2.5 VL 72B?

Gemini 2.5 Flash Lite: $0.008/1M input, $0.03/1M output. Qwen 2.5 VL 72B: $0.05/1M input, $0.10/1M 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 Gemini 2.5 Flash Lite and Qwen 2.5 VL 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.