Vercel Launches Particle-1 for Software Engineering

Vercel now offers Particle-1, a model fine-tuned for software development tasks, via its AI Gateway platform.

By Precis Daily NewsroomOctober 29, 20261 min read163 words

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What happened

Vercel has introduced Particle-1, a model trained on DeepSeek V4.1 Flash, aimed at assisting with software engineering tasks. The model is designed to perform efficiently with fewer tokens.

To access Particle-1, users must set the AI_GATEWAY_API_KEY in their environment. Additionally, they need to install the latest version of Vercel CLI and execute the setup command to use it with tools like Claude Code, Codex, and Cursor.

Why it matters

The integration of Particle-1 into Vercel's AI Gateway provides developers with a unified API for model access, along with features for configuration and tracking. This platform supports Bring Your Own Key (BYOK) requests, eliminating platform fees for users.

Key details

Particle-1 is post-trained on DeepSeek V4.1 Flash, which is noted for its efficiency in software engineering tasks. The model is intended for debugging, planning code changes, and breaking down complex engineering problems.

Users can explore all available language models on AI Gateway and find detailed information about each one.