Vedika Fast vs XTTS v2

Compare Vedika Fast and XTTS v2: 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 Vedika Fast XTTS v2
CategoryDomain SpecialistSpeech
Parameters8BGenerative
Context Window32KN/A
Input Price$0.04/1M tokens$0.015/1K/1M tokens
Output Price$0.06/1M tokensN/A/1M tokens
Latency~120ms~300ms

Choose Vedika Fast when:

  • ✓ Voice astrology bots
  • ✓ Real-time chatbots
  • ✓ Temple kiosks
Key Strengths:

Sub-200ms latency, Voice-optimized, Real-time chat

Choose XTTS v2 when:

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

Natural prosody, Multiple Indian voices, Voice cloning

Verdict: Vedika Fast vs XTTS v2

For cost efficiency, XTTS v2 wins at $0.015/1K/1M input tokens. For speed, Vedika Fast is faster at ~120ms. Vedika Fast excels at Voice astrology bots while XTTS v2 is better for Voice readings. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Vedika Fast costs $0.04/1M input tokens and $0.06/1M output tokens. XTTS v2 costs $0.015/1K input and N/A output. XTTS v2 is 2.6x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Vedika Fast has a 32K context window with ~120ms latency. XTTS v2 offers N/A context at ~300ms. Vedika Fast has the larger context window.

Best For

Vedika Fast (Domain Specialist) is optimized for: Voice astrology bots, Real-time chatbots, Temple kiosks. XTTS v2 (Speech) works best for: Voice readings, Temple announcements, Guided meditation.

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 Vedika Fast
response_a = client.chat.completions.create(
    model="vedika-fast",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use XTTS v2
response_b = client.chat.completions.create(
    model="xtts-v2",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Frequently Asked Questions

Which is better, Vedika Fast or XTTS v2?

Vedika Fast (Domain Specialist, 8B) offers Sub-200ms latency. XTTS v2 (Speech, Generative) offers Natural prosody. Choose Vedika Fast for Voice astrology bots or XTTS v2 for Voice readings.

How much does Vedika Fast cost vs XTTS v2?

Vedika Fast: $0.04/1M input, $0.06/1M output. XTTS v2: $0.015/1K/1M input, N/A/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 Vedika Fast and XTTS v2 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.