# Jamba 1.5 Large

Jamba 1.5 Large is part of AI21's new family of open models, offering superior speed, efficiency, and quality.

It features a 256K effective context window, the longest among open models, enabling improved performance on tasks like document summarization and analysis.

Built on a novel SSM-Transformer architecture, it outperforms larger models like Llama 3.1 70B on benchmarks while maintaining resource efficiency.

Read their [announcement](https://www.ai21.com/blog/announcing-jamba-model-family) to learn more.

## Model Information

- **Organization**: [AI21](/llm.txt)
- **Slug**: jamba-1-5-large
- **Available at Providers**: 1
- **Release Date**: August 22, 2024

### Benchmark Scores
- GPQA: 0.369

## Providers

| Provider | Name | $ Input (per 1M) | $ Output (per 1M) | Free | Link |
|----------|------|-----------------|------------------|------|------|
| [Writingmate](/llm/writingmate.txt) | AI21: Jamba 1.5 Large |  |  |  | [View](https://writingmate.ai/models/ai21/jamba-1-5-large) |

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