Vedika Fast vs Vedika Pro Ultra
Compare Vedika Fast and Vedika Pro Ultra: 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 | Vedika Fast | Vedika Pro Ultra |
|---|---|---|
| Category | Domain Specialist | Domain Specialist |
| Parameters | 8B | 120B |
| Context Window | 32K | 256K |
| Input Price | $0.04/1M tokens | $0.12/1M tokens |
| Output Price | $0.06/1M tokens | $0.20/1M tokens |
| Latency | ~120ms | ~600ms |
Choose Vedika Fast when:
- ✓ Voice astrology bots
- ✓ Real-time chatbots
- ✓ Temple kiosks
Sub-200ms latency, Voice-optimized, Real-time chat
Choose Vedika Pro Ultra when:
- ✓ Kundali matching reports
- ✓ Multi-chart analysis
- ✓ Enterprise platforms
256K context, Deep yoga reasoning, Multi-system comparison
Verdict: Vedika Fast vs Vedika Pro Ultra
For cost efficiency, Vedika Fast wins at $0.04/1M input tokens. For speed, Vedika Fast is faster at ~120ms. Vedika Fast excels at Voice astrology bots while Vedika Pro Ultra is better for Kundali matching reports. 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. Vedika Pro Ultra costs $0.12 input and $0.20 output. Vedika Fast is 3.0x 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. Vedika Pro Ultra offers 256K context at ~600ms. Vedika Pro Ultra has the larger context window.
Best For
Vedika Fast (Domain Specialist) is optimized for: Voice astrology bots, Real-time chatbots, Temple kiosks. Vedika Pro Ultra (Domain Specialist) works best for: Kundali matching reports, Multi-chart analysis, Enterprise platforms.
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 Vedika Pro Ultra
response_b = client.chat.completions.create(
model="vedika-pro-ultra",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Vedika Fast or Vedika Pro Ultra?
Vedika Fast (Domain Specialist, 8B) offers Sub-200ms latency. Vedika Pro Ultra (Domain Specialist, 120B) offers 256K context. Choose Vedika Fast for Voice astrology bots or Vedika Pro Ultra for Kundali matching reports.
How much does Vedika Fast cost vs Vedika Pro Ultra?
Vedika Fast: $0.04/1M input, $0.06/1M output. Vedika Pro Ultra: $0.12/1M input, $0.20/1M 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 Vedika Pro Ultra 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.