Solar Pro vs Aya Expanse 32B
Compare Solar 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 | Solar Pro | Aya Expanse 32B |
|---|---|---|
| Category | Open Source | Open Source |
| Parameters | 22B | 32B |
| Context Window | 32K | 128K |
| Input Price | $0.02/1M tokens | $0.03/1M tokens |
| Output Price | $0.04/1M tokens | $0.06/1M tokens |
| Latency | ~180ms | ~250ms |
Choose Solar Pro when:
- ✓ General purpose
- ✓ Korean content
- ✓ Chatbots
Good instruction following, Compact, Efficient
Choose Aya Expanse 32B when:
- ✓ Multilingual apps
- ✓ Translation
- ✓ Global content
23 languages, Open weights, Strong multilingual
Verdict: Solar Pro vs Aya Expanse 32B
For cost efficiency, Solar Pro wins at $0.02/1M input tokens. For speed, Solar Pro is faster at ~180ms. Solar Pro excels at General purpose 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
Solar Pro costs $0.02/1M input tokens and $0.04/1M output tokens. Aya Expanse 32B costs $0.03 input and $0.06 output. Solar Pro is 1.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Solar Pro has a 32K context window with ~180ms latency. Aya Expanse 32B offers 128K context at ~250ms. Aya Expanse 32B has the larger context window.
Best For
Solar Pro (Open Source) is optimized for: General purpose, Korean content, Chatbots. 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 Solar Pro
response_a = client.chat.completions.create(
model="solar-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, Solar Pro or Aya Expanse 32B?
Solar Pro (Open Source, 22B) offers Good instruction following. Aya Expanse 32B (Open Source, 32B) offers 23 languages. Choose Solar Pro for General purpose or Aya Expanse 32B for Multilingual apps.
How much does Solar Pro cost vs Aya Expanse 32B?
Solar Pro: $0.02/1M input, $0.04/1M 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 Solar 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.