o3 vs Aya Expanse 32B

Compare o3 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

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Feature o3 Aya Expanse 32B
CategoryReasoningOpen Source
Parameters~1T32B
Context Window200K128K
Input Price$0.10/1M tokens$0.03/1M tokens
Output Price$0.40/1M tokens$0.06/1M tokens
Latency~2000ms~250ms

Choose o3 when:

  • ✓ Complex calculations
  • ✓ Multi-factor analysis
  • ✓ Research-grade work
Key Strengths:

Extended thinking, Complex logic, Mathematical reasoning

Choose Aya Expanse 32B when:

  • ✓ Multilingual apps
  • ✓ Translation
  • ✓ Global content
Key Strengths:

23 languages, Open weights, Strong multilingual

Verdict: o3 vs Aya Expanse 32B

For cost efficiency, Aya Expanse 32B wins at $0.03/1M input tokens. For speed, o3 is faster at ~2000ms. o3 excels at Complex calculations 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

o3 costs $0.10/1M input tokens and $0.40/1M output tokens. Aya Expanse 32B costs $0.03 input and $0.06 output. Aya Expanse 32B is 3.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

o3 has a 200K context window with ~2000ms latency. Aya Expanse 32B offers 128K context at ~250ms. o3 has the larger context window.

Best For

o3 (Reasoning) is optimized for: Complex calculations, Multi-factor analysis, Research-grade work. 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 o3
response_a = client.chat.completions.create(
    model="o3",
    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"}]
)

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, o3 or Aya Expanse 32B?

o3 (Reasoning, ~1T) offers Extended thinking. Aya Expanse 32B (Open Source, 32B) offers 23 languages. Choose o3 for Complex calculations or Aya Expanse 32B for Multilingual apps.

How much does o3 cost vs Aya Expanse 32B?

o3: $0.10/1M input, $0.40/1M 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 o3 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.