XTTS v2 vs Aya Expanse 32B

Compare XTTS v2 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

All Coqui models All Cohere models What is an LLM API? Python Quickstart What is inference?
Feature XTTS v2 Aya Expanse 32B
CategorySpeechOpen Source
ParametersGenerative32B
Context WindowN/A128K
Input Price$0.015/1K/1M tokens$0.03/1M tokens
Output PriceN/A/1M tokens$0.06/1M tokens
Latency~300ms~250ms

Choose XTTS v2 when:

  • ✓ Voice readings
  • ✓ Temple announcements
  • ✓ Guided meditation
Key Strengths:

Natural prosody, Multiple Indian voices, Voice cloning

Choose Aya Expanse 32B when:

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

23 languages, Open weights, Strong multilingual

Verdict: XTTS v2 vs Aya Expanse 32B

For cost efficiency, XTTS v2 wins at $0.015/1K/1M input tokens. For speed, Aya Expanse 32B is faster at ~250ms. XTTS v2 excels at Voice readings 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

XTTS v2 costs $0.015/1K/1M input tokens and N/A/1M output tokens. Aya Expanse 32B costs $0.03 input and $0.06 output. XTTS v2 is 2.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

XTTS v2 has a N/A context window with ~300ms latency. Aya Expanse 32B offers 128K context at ~250ms. Aya Expanse 32B has the larger context window.

Best For

XTTS v2 (Speech) is optimized for: Voice readings, Temple announcements, Guided meditation. 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 XTTS v2
response_a = client.chat.completions.create(
    model="xtts-v2",
    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"}]
)

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, XTTS v2 or Aya Expanse 32B?

XTTS v2 (Speech, Generative) offers Natural prosody. Aya Expanse 32B (Open Source, 32B) offers 23 languages. Choose XTTS v2 for Voice readings or Aya Expanse 32B for Multilingual apps.

How much does XTTS v2 cost vs Aya Expanse 32B?

XTTS v2: $0.015/1K/1M input, N/A/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 XTTS v2 and Aya Expanse 32B by changing the model parameter. No code changes needed.

Related Comparisons

XTTS v2 vs Whisper Large V3 XTTS v2 vs Gemma 3 27B XTTS v2 vs Llama 4 Scout XTTS v2 vs Llama 4 Maverick XTTS v2 vs Llama 3.3 70B XTTS v2 vs Llama 3.1 405B

Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.