Claude 3.5 Sonnet (Thinking) vs Aya Expanse 32B
Compare Claude 3.5 Sonnet (Thinking) 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 | Claude 3.5 Sonnet (Thinking) | Aya Expanse 32B |
|---|---|---|
| Category | Reasoning | Open Source |
| Parameters | ~500B | 32B |
| Context Window | 200K | 128K |
| Input Price | $0.03/1M tokens | $0.03/1M tokens |
| Output Price | $0.15/1M tokens | $0.06/1M tokens |
| Latency | ~600ms | ~250ms |
Choose Claude 3.5 Sonnet (Thinking) when:
- ✓ Complex analysis
- ✓ Multi-step logic
- ✓ Verification tasks
Transparent thinking, Strong reasoning, Self-correction
Choose Aya Expanse 32B when:
- ✓ Multilingual apps
- ✓ Translation
- ✓ Global content
23 languages, Open weights, Strong multilingual
Verdict: Claude 3.5 Sonnet (Thinking) 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. Claude 3.5 Sonnet (Thinking) excels at Complex 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
Claude 3.5 Sonnet (Thinking) costs $0.03/1M input tokens and $0.15/1M output tokens. Aya Expanse 32B costs $0.03 input and $0.06 output. Both models are similarly priced. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Claude 3.5 Sonnet (Thinking) has a 200K context window with ~600ms latency. Aya Expanse 32B offers 128K context at ~250ms. Claude 3.5 Sonnet (Thinking) has the larger context window.
Best For
Claude 3.5 Sonnet (Thinking) (Reasoning) is optimized for: Complex analysis, Multi-step logic, Verification tasks. 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 Claude 3.5 Sonnet (Thinking)
response_a = client.chat.completions.create(
model="claude-3-5-sonnet-thinking",
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, Claude 3.5 Sonnet (Thinking) or Aya Expanse 32B?
Claude 3.5 Sonnet (Thinking) (Reasoning, ~500B) offers Transparent thinking. Aya Expanse 32B (Open Source, 32B) offers 23 languages. Choose Claude 3.5 Sonnet (Thinking) for Complex analysis or Aya Expanse 32B for Multilingual apps.
How much does Claude 3.5 Sonnet (Thinking) cost vs Aya Expanse 32B?
Claude 3.5 Sonnet (Thinking): $0.03/1M input, $0.15/1M 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 Claude 3.5 Sonnet (Thinking) 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.