Nemotron 4 340B vs ElevenLabs Turbo v2.5
Compare Nemotron 4 340B and ElevenLabs Turbo v2.5: 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 | Nemotron 4 340B | ElevenLabs Turbo v2.5 |
|---|---|---|
| Category | Open Source | Speech |
| Parameters | 340B | Generative |
| Context Window | 128K | N/A |
| Input Price | $0.07/1M tokens | $0.02/1K/1M tokens |
| Output Price | $0.12/1M tokens | N/A/1M tokens |
| Latency | ~500ms | ~200ms |
Choose Nemotron 4 340B when:
- ✓ Data generation
- ✓ Training data
- ✓ Research
Synthetic data generation, Large scale, Good quality
Choose ElevenLabs Turbo v2.5 when:
- ✓ Premium voice apps
- ✓ Audiobooks
- ✓ Podcast generation
Most natural voices, Emotion control, 32 languages
Verdict: Nemotron 4 340B vs ElevenLabs Turbo v2.5
For cost efficiency, ElevenLabs Turbo v2.5 wins at $0.02/1K/1M input tokens. For speed, ElevenLabs Turbo v2.5 is faster at ~200ms. Nemotron 4 340B excels at Data generation while ElevenLabs Turbo v2.5 is better for Premium voice 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
Nemotron 4 340B costs $0.07/1M input tokens and $0.12/1M output tokens. ElevenLabs Turbo v2.5 costs $0.02/1K input and N/A output. ElevenLabs Turbo v2.5 is 3.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Nemotron 4 340B has a 128K context window with ~500ms latency. ElevenLabs Turbo v2.5 offers N/A context at ~200ms. Nemotron 4 340B has the larger context window.
Best For
Nemotron 4 340B (Open Source) is optimized for: Data generation, Training data, Research. ElevenLabs Turbo v2.5 (Speech) works best for: Premium voice apps, Audiobooks, Podcast generation.
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 Nemotron 4 340B
response_a = client.chat.completions.create(
model="nemotron-4-340b",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use ElevenLabs Turbo v2.5
response_b = client.chat.completions.create(
model="elevenlabs-turbo-v2-5",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Nemotron 4 340B or ElevenLabs Turbo v2.5?
Nemotron 4 340B (Open Source, 340B) offers Synthetic data generation. ElevenLabs Turbo v2.5 (Speech, Generative) offers Most natural voices. Choose Nemotron 4 340B for Data generation or ElevenLabs Turbo v2.5 for Premium voice apps.
How much does Nemotron 4 340B cost vs ElevenLabs Turbo v2.5?
Nemotron 4 340B: $0.07/1M input, $0.12/1M output. ElevenLabs Turbo v2.5: $0.02/1K/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 Nemotron 4 340B and ElevenLabs Turbo v2.5 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.