# Composer

Composer is an AI model released by Cursor on Oct 29 2025.

## Facts

| Field | Value |
| --- | --- |
| Model | Composer |
| Developer | Cursor |
| Release date | Wednesday, Oct 29 2025 |
| Licensing | Proprietary |

## Questions and answers

### When was Composer released?

Composer was released by Cursor on Wednesday, Oct 29 2025.

### Who made Composer?

Composer was built by Cursor.

### Is Composer open source?

No. Composer is a proprietary model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.

### What came before and after Composer?

It was followed by Composer 1.5 on Feb 9 2026.


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Canonical page: https://aireleasetracker.com/model/cursor/composer
Full dataset: https://aireleasetracker.com/llms-full.txt · JSON: https://aireleasetracker.com/models.json
Source: AI Release Tracker (https://aireleasetracker.com). Benchmark scores are the figures published by the releasing lab at launch.