Jamba 1.5

AI21's hybrid SSM-Transformer model with 256K context window and mixture-of-experts architecture.

Language ModelsPay-as-you-go
4.5 (1543 reviews)
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Key Features

  • 256K context
  • SSM-Transformer hybrid
  • MoE architecture
  • Fast inference
  • API access
  • Multiple sizes

Pros

  • Huge 256K context window
  • Efficient architecture
  • Fast for long contexts
  • Good performance
  • Innovative design
  • Competitive pricing

Cons

  • Less proven architecture
  • Smaller ecosystem
  • Limited fine-tuning
  • Fewer integrations
  • Documentation gaps
  • Inconsistent performance

Use Cases

Best For:

Long document processingBook analysisCode repositoriesResearch papersContext-heavy tasks

Not Recommended For:

Simple chatShort promptsReal-time appsProduction systems

Recent Reviews

John Developer
2 weeks ago

Excellent tool that has transformed our workflow. The API is well-documented and easy to integrate.

Sarah Tech
1 month ago

Great features but took some time to learn. Once you get the hang of it, it's incredibly powerful.

Mike Business
2 months ago

Best investment for our team. Increased productivity by 40% in just the first month.