Amazon Nova Pro vs Dolphin 2.9.3 72B
Compare Amazon Nova Pro and Dolphin 2.9.3 72B: 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 | Amazon Nova Pro | Dolphin 2.9.3 72B |
|---|---|---|
| Category | Frontier | Open Source |
| Parameters | ~300B | 72B |
| Context Window | 300K | 128K |
| Input Price | $0.008/1M tokens | $0.04/1M tokens |
| Output Price | $0.032/1M tokens | $0.08/1M tokens |
| Latency | ~300ms | ~350ms |
Choose Amazon Nova Pro when:
- ✓ Budget apps
- ✓ Document analysis
- ✓ Enterprise
Very low cost, 300K context, Multimodal
Choose Dolphin 2.9.3 72B when:
- ✓ Creative writing
- ✓ Unrestricted generation
- ✓ Research
Uncensored, Strong instruction following, Versatile
Verdict: Amazon Nova Pro vs Dolphin 2.9.3 72B
For cost efficiency, Amazon Nova Pro wins at $0.008/1M input tokens. For speed, Amazon Nova Pro is faster at ~300ms. Amazon Nova Pro excels at Budget apps while Dolphin 2.9.3 72B is better for Creative writing. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
Amazon Nova Pro costs $0.008/1M input tokens and $0.032/1M output tokens. Dolphin 2.9.3 72B costs $0.04 input and $0.08 output. Amazon Nova Pro is 5.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Amazon Nova Pro has a 300K context window with ~300ms latency. Dolphin 2.9.3 72B offers 128K context at ~350ms. Amazon Nova Pro has the larger context window.
Best For
Amazon Nova Pro (Frontier) is optimized for: Budget apps, Document analysis, Enterprise. Dolphin 2.9.3 72B (Open Source) works best for: Creative writing, Unrestricted generation, Research.
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 Amazon Nova Pro
response_a = client.chat.completions.create(
model="amazon-nova-pro",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Dolphin 2.9.3 72B
response_b = client.chat.completions.create(
model="dolphin-2-9-3-72b",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Amazon Nova Pro or Dolphin 2.9.3 72B?
Amazon Nova Pro (Frontier, ~300B) offers Very low cost. Dolphin 2.9.3 72B (Open Source, 72B) offers Uncensored. Choose Amazon Nova Pro for Budget apps or Dolphin 2.9.3 72B for Creative writing.
How much does Amazon Nova Pro cost vs Dolphin 2.9.3 72B?
Amazon Nova Pro: $0.008/1M input, $0.032/1M output. Dolphin 2.9.3 72B: $0.04/1M input, $0.08/1M 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 Amazon Nova Pro and Dolphin 2.9.3 72B 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.