Jamba 1.5 Mini vs AssemblyAI Universal 2

Compare Jamba 1.5 Mini 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

All AI21 models All AssemblyAI models What is an LLM API? Python Quickstart What is inference?
Feature Jamba 1.5 Mini AssemblyAI Universal 2
CategoryCompactSpeech
Parameters52B (12B active)~2B
Context Window256KLong-form
Input Price$0.02/1M tokens$0.006/min/1M tokens
Output Price$0.04/1M tokensN/A/1M tokens
Latency~200ms~150ms

Choose Jamba 1.5 Mini when:

  • ✓ Long document Q&A
  • ✓ Budget apps
  • ✓ Summarization
Key Strengths:

256K context, Low cost, SSM efficiency

Choose AssemblyAI Universal 2 when:

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

High accuracy, Speaker diarization, Summarization

Verdict: Jamba 1.5 Mini 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 Mini excels at Long document Q&A 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 Mini costs $0.02/1M input tokens and $0.04/1M output tokens. AssemblyAI Universal 2 costs $0.006/min input and N/A output. AssemblyAI Universal 2 is 3.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Jamba 1.5 Mini has a 256K context window with ~200ms latency. AssemblyAI Universal 2 offers Long-form context at ~150ms. Both have identical context windows.

Best For

Jamba 1.5 Mini (Compact) is optimized for: Long document Q&A, Budget apps, Summarization. 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 Mini
response_a = client.chat.completions.create(
    model="jamba-1-5-mini",
    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 Mini or AssemblyAI Universal 2?

Jamba 1.5 Mini (Compact, 52B (12B active)) offers 256K context. AssemblyAI Universal 2 (Speech, ~2B) offers High accuracy. Choose Jamba 1.5 Mini for Long document Q&A or AssemblyAI Universal 2 for Meeting transcription.

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

Jamba 1.5 Mini: $0.02/1M input, $0.04/1M 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 Mini and AssemblyAI Universal 2 by changing the model parameter. No code changes needed.

Related Comparisons

Jamba 1.5 Mini vs GPT-4.1 Nano Jamba 1.5 Mini vs GPT-4o Mini Jamba 1.5 Mini vs Whisper Large V3 Jamba 1.5 Mini vs Claude Haiku 3.5 Jamba 1.5 Mini vs Gemma 3 12B Jamba 1.5 Mini vs Gemma 3 4B

Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.