Whisper Large V3 vs Amazon Nova Pro
Compare Whisper Large V3 and Amazon Nova Pro: 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 | Whisper Large V3 | Amazon Nova Pro |
|---|---|---|
| Category | Speech | Frontier |
| Parameters | 1.55B | ~300B |
| Context Window | 30s | 300K |
| Input Price | $0.01/min/1M tokens | $0.008/1M tokens |
| Output Price | N/A/1M tokens | $0.032/1M tokens |
| Latency | ~200ms | ~300ms |
Choose Whisper Large V3 when:
- ✓ Voice astrology apps
- ✓ Temple voice assistants
- ✓ Transcription
14+ Indian languages, Robust to accents, Real-time capable
Choose Amazon Nova Pro when:
- ✓ Budget apps
- ✓ Document analysis
- ✓ Enterprise
Very low cost, 300K context, Multimodal
Verdict: Whisper Large V3 vs Amazon Nova Pro
For cost efficiency, Amazon Nova Pro wins at $0.008/1M input tokens. For speed, Whisper Large V3 is faster at ~200ms. Whisper Large V3 excels at Voice astrology apps while Amazon Nova Pro is better for Budget 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
Whisper Large V3 costs $0.01/min/1M input tokens and N/A/1M output tokens. Amazon Nova Pro costs $0.008 input and $0.032 output. Amazon Nova Pro is 1.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Whisper Large V3 has a 30s context window with ~200ms latency. Amazon Nova Pro offers 300K context at ~300ms. Amazon Nova Pro has the larger context window.
Best For
Whisper Large V3 (Speech) is optimized for: Voice astrology apps, Temple voice assistants, Transcription. Amazon Nova Pro (Frontier) works best for: Budget apps, Document analysis, Enterprise.
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 Whisper Large V3
response_a = client.chat.completions.create(
model="whisper-large-v3",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Amazon Nova Pro
response_b = client.chat.completions.create(
model="amazon-nova-pro",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Whisper Large V3 or Amazon Nova Pro?
Whisper Large V3 (Speech, 1.55B) offers 14+ Indian languages. Amazon Nova Pro (Frontier, ~300B) offers Very low cost. Choose Whisper Large V3 for Voice astrology apps or Amazon Nova Pro for Budget apps.
How much does Whisper Large V3 cost vs Amazon Nova Pro?
Whisper Large V3: $0.01/min/1M input, N/A/1M output. Amazon Nova Pro: $0.008/1M input, $0.032/1M 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 Whisper Large V3 and Amazon Nova Pro 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.