Gemini 2.5 Pro vs Aya Expanse 32B
Compare Gemini 2.5 Pro and Aya Expanse 32B: 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 | Gemini 2.5 Pro | Aya Expanse 32B |
|---|---|---|
| Category | Frontier | Open Source |
| Parameters | ~1.5T | 32B |
| Context Window | 2M | 128K |
| Input Price | $0.07/1M tokens | $0.03/1M tokens |
| Output Price | $0.21/1M tokens | $0.06/1M tokens |
| Latency | ~600ms | ~250ms |
Choose Gemini 2.5 Pro when:
- ✓ Classical text analysis
- ✓ Multi-document reports
- ✓ Research
2M context, Strong multimodal, Long text analysis
Choose Aya Expanse 32B when:
- ✓ Multilingual apps
- ✓ Translation
- ✓ Global content
23 languages, Open weights, Strong multilingual
Verdict: Gemini 2.5 Pro vs Aya Expanse 32B
For cost efficiency, Aya Expanse 32B wins at $0.03/1M input tokens. For speed, Aya Expanse 32B is faster at ~250ms. Gemini 2.5 Pro excels at Classical text analysis while Aya Expanse 32B is better for Multilingual apps. 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 Pro costs $0.07/1M input tokens and $0.21/1M output tokens. Aya Expanse 32B costs $0.03 input and $0.06 output. Aya Expanse 32B is 2.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Gemini 2.5 Pro has a 2M context window with ~600ms latency. Aya Expanse 32B offers 128K context at ~250ms. Gemini 2.5 Pro has the larger context window.
Best For
Gemini 2.5 Pro (Frontier) is optimized for: Classical text analysis, Multi-document reports, Research. Aya Expanse 32B (Open Source) works best for: Multilingual apps, Translation, Global content.
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 Pro
response_a = client.chat.completions.create(
model="gemini-2-5-pro",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Aya Expanse 32B
response_b = client.chat.completions.create(
model="c4ai-aya-expanse-32b",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Gemini 2.5 Pro or Aya Expanse 32B?
Gemini 2.5 Pro (Frontier, ~1.5T) offers 2M context. Aya Expanse 32B (Open Source, 32B) offers 23 languages. Choose Gemini 2.5 Pro for Classical text analysis or Aya Expanse 32B for Multilingual apps.
How much does Gemini 2.5 Pro cost vs Aya Expanse 32B?
Gemini 2.5 Pro: $0.07/1M input, $0.21/1M output. Aya Expanse 32B: $0.03/1M input, $0.06/1M 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 Pro and Aya Expanse 32B 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.