AI21 Labs (Jamba)

Listed at https://www.ai21.com

Overall Rank #14 ⭐ Consider
❌ Proxy required | 🌍 International

💰 Token Pricing

TypePriceNote
Input Jamba 1.5 Mini: $0.20/M tokens, Jamba 1.5 Large: $2/M tokens per million tokens
Output Jamba 1.5 Mini: $0.20/M tokens, Jamba 1.5 Large: $2/M tokens per million tokens
💡 Free Credits:

🤖 Supported Models (3)

Jamba 1.5 MiniJamba 1.5 LargeJamba 1.5 Instruct

✨ Pros

  • Jamba 1.5 series uses SSM-Transformer hybrid architecture with 398B total/94B active params and native 256K context
  • OpenAI-compatible API (/v1/chat/completions), zero SDK rewrite needed
  • Jamba 1.5 Mini priced at $0.20/M tokens, competitive with GPT-4o-mini for most workloads
  • Supports function calling and JSON mode
  • Distributed through AWS Bedrock, Azure AI Foundry, and NVIDIA NIM marketplaces

⚠️ Cons

  • ×Limited model variety (Jamba series only, no Llama / Qwen / DeepSeek rehosting)
  • ×China access requires stable proxy, no ICP-filed infrastructure
  • ×Jamba 1.5 Large ($2/M) is more expensive than Llama 3.3 70B ($0.39-$0.88/M)
  • ×Function calling reliability is weaker than OpenAI / Anthropic tier-1 vendors
  • ×Third-party benchmark coverage (MMLU, HumanEval) is thinner than top closed-source models

🎯 Best For

Mid-to-large enterprises needing long context (256K) + high throughput; teams leveraging SSM's memory efficiency; multi-cloud distribution (Bedrock + Azure AI)