Amp
Amp is Sourcegraph's agentic coding tool that plans and executes multi-step tasks across codebases like a junior engineer. It auto-selects frontier models like Claude Opus and GPT, works via CLI and VS Code, and gives new users $10 of free credit daily.
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Built for developers on larger teams needing cross-codebase refactoring, test generation and documentation; overkill for users wanting simple autocomplete or cost-sensitive solo devs.
Verified facts
What is Amp
Amp is Sourcegraph's agentic coding tool that plans and executes multi-step tasks across codebases like a junior engineer. It auto-selects frontier models like Claude Opus and GPT, works via CLI and VS Code, and gives new users $10 of free credit daily.
Key features of Amp
- Large-scale refactoring and dependency migration across modules and services
- Auto-generating unit and integration tests from existing code
- Writing API docs and READMEs by analyzing code logic
- Mapping legacy codebase structure to onboard new team members
Good for
- Plans and executes multi-step coding tasks autonomously like a junior engineer
- Auto-selects frontier models such as Claude Opus 4.6 and GPT-5.2 with no token caps
- Deep codebase understanding built on Sourcegraph's decade of code search technology
Watch out
- Aimed at professional team scenarios; too heavy for lightweight users
- Free credit is limited and heavy usage costs rise quickly
- Some users report friction in the sign-up and verification flow
How to use Amp
- Visit sourcegraph.com/amp to learn about the product
- Install the CLI globally with npm install -g @sourcegraph/amp
- Configure your Sourcegraph API key for authentication
- Run amp in the terminal and describe your coding task
- Pick smart, rush or deep mode based on the task and start working
Who Amp is for
Difficulty: Intermediate
- Large-scale refactoring and dependency migration across modules and services
- Auto-generating unit and integration tests from existing code
- Writing API docs and READMEs by analyzing code logic
- Mapping legacy codebase structure to onboard new team members
FAQ
Is Amp free?
New users get $10 of free credit per day. Amp follows a quality-first strategy with no token caps, and usage beyond the free allowance is billed.
How can I use Amp?
Through a CLI tool and a VS Code extension; the extension also works in VS Code forks such as Cursor, Windsurf and VSCodium.
What is the Thread sharing feature for?
It lets you save and share complete conversation records — prompts, agent replies and code changes — with teammates for collaboration and reuse of best practices.
Sources and verification
Sources: sourcegraph.com (opens in a new tab)
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