Jamba 1.5 Large vs AssemblyAI Universal 2

Compare Jamba 1.5 Large and AssemblyAI Universal 2: 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 Jamba 1.5 Large AssemblyAI Universal 2
CategoryEnterpriseSpeech
Parameters398B (94B active)~2B
Context Window256KLong-form
Input Price$0.08/1M tokens$0.006/min/1M tokens
Output Price$0.14/1M tokensN/A/1M tokens
Latency~500ms~150ms

Choose Jamba 1.5 Large when:

  • ✓ Full text processing
  • ✓ Comprehensive reports
  • ✓ Long analysis
Key Strengths:

256K context, SSM-Transformer hybrid, Good summarization

Choose AssemblyAI Universal 2 when:

  • ✓ Meeting transcription
  • ✓ Podcast processing
  • ✓ Content indexing
Key Strengths:

High accuracy, Speaker diarization, Summarization

Verdict: Jamba 1.5 Large vs AssemblyAI Universal 2

For cost efficiency, AssemblyAI Universal 2 wins at $0.006/min/1M input tokens. For speed, AssemblyAI Universal 2 is faster at ~150ms. Jamba 1.5 Large excels at Full text processing while AssemblyAI Universal 2 is better for Meeting transcription. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Jamba 1.5 Large costs $0.08/1M input tokens and $0.14/1M output tokens. AssemblyAI Universal 2 costs $0.006/min input and N/A output. AssemblyAI Universal 2 is 13.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Jamba 1.5 Large has a 256K context window with ~500ms latency. AssemblyAI Universal 2 offers Long-form context at ~150ms. Both have identical context windows.

Best For

Jamba 1.5 Large (Enterprise) is optimized for: Full text processing, Comprehensive reports, Long analysis. AssemblyAI Universal 2 (Speech) works best for: Meeting transcription, Podcast processing, Content indexing.

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 Jamba 1.5 Large
response_a = client.chat.completions.create(
    model="jamba-1-5-large",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use AssemblyAI Universal 2
response_b = client.chat.completions.create(
    model="assembly-ai-universal-2",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, Jamba 1.5 Large or AssemblyAI Universal 2?

Jamba 1.5 Large (Enterprise, 398B (94B active)) offers 256K context. AssemblyAI Universal 2 (Speech, ~2B) offers High accuracy. Choose Jamba 1.5 Large for Full text processing or AssemblyAI Universal 2 for Meeting transcription.

How much does Jamba 1.5 Large cost vs AssemblyAI Universal 2?

Jamba 1.5 Large: $0.08/1M input, $0.14/1M output. AssemblyAI Universal 2: $0.006/min/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 Jamba 1.5 Large and AssemblyAI Universal 2 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.