EngineeredFor Best Code

Vesper coordinates specialized AI agents to understand your full codebase and deliver higher quality results.

Install Vesper

Available in the terminal

Install
Terminal demo video

Models

The best model for each task

Vesper uses the right model for each agent — leading models for complex reasoning, smaller ones for fast operations.

Default

Balanced speed and intelligence for everyday tasks

Fast

Quick, well-defined tasks at lower cost

Max

Deep reasoning with extended thinking

Architecture

Four agents, one mission

1

File Picker

Scans your codebase to find relevant files and understand the architecture.

2

Planner

Plans which files need changes and in what order.

3

Editor

Makes precise, context-aware edits across multiple files.

4

Reviewer

Validates changes for correctness and consistency.

Platform

Built for serious development

Multi-agent architecture

Specialized agents work together — File Picker, Planner, Editor, and Reviewer.

Any model, any provider

Claude, GPT, DeepSeek, Qwen. Switch models for different tasks.

Custom agent workflows

TypeScript generators with sub-agents and multi-step processes.

SDK for production

Build Vesper into your apps. Custom tools, CI/CD, embeddable.

Agent Store

Reuse battle-tested community workflows.

30+ built-in tools

Files, search, terminal, web — everything the agent needs.

Get Started

Ship your next feature in minutes

Works with any stack. One-command setup. Zero friction.

New here?