- Released
- 1y ago
Cursor's first in-house agent coding model, a mixture-of-experts model trained with reinforcement learning on real software engineering tasks for fast generation. Available only in Cursor.
How it compares
Frequently asked questions
Capabilities and specs
No. The only supported input modality is text, so Composer 1 cannot read images, audio, video or PDFs.
Quality and benchmarks
The closest alternatives, matched on model kind and release date with no comparable price, are Qwen3 VL Flash (Alibaba Cloud) by Alibaba, Seed 1.6 by ByteDance and Gemini 3 Pro Preview by Google DeepMind.
Qwen3 VL Flash (Alibaba Cloud)Composer 1 vs Qwen3 VL Flash (Alibaba Cloud)Seed 1.6Composer 1 vs Seed 1.6Gemini 3 Pro PreviewComposer 1 vs Gemini 3 Pro Preview
Kimi K3. It is the highest-ranked open-weight model on Arena Text at rank 19, while Composer 1 itself is closed.
Licensing and access
No. Composer 1 is closed and uses a proprietary license.
Basics
Cursor. Composer 1 was made by Cursor and released on October 29, 2025.
Generated from Vertical Tabs data, updated November 12, 2026.
Discussion
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