Editorial suggestion — not a checked fact
Open-source command-line tool for AI pair programming that edits code in your local git repository.
Open (open weights/source) Apache-2.0
Use cases
- Making multi-file code changes from natural-language requests
- Refactoring or extending an existing codebase from the terminal
- Pair programming with local or hosted models without leaving the CLI
Pricing: Aider is free and open source (Apache-2.0); the only cost is API usage for the LLM you connect, or nothing when using a local model.
Documentation ↗ · Sources
This record was last reviewed on 2026-10-10.
Listed together in guide “AI coding tools”
Agentic coding tool from Sourcegraph that runs locally or in remote orbs, writing and shipping code from the terminal, editors, web, and phone.
Paid
Use cases
- Delegating multi-file coding tasks from the terminal, editor, or phone
- Running parallel agents in remote orbs without local worktrees
- Replacing an individual Cody workflow with an agentic tool
Pricing: Amp is sold as paid Megawatt ($20/month) and Gigawatt ($200/month) subscriptions that include agent usage and orb hours, or as unconstrained usage billing. Individual Cody Free and Pro plans ended in 2025.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-09.
Editorial suggestion · cites a checked fact
Anthropic's agentic coding tool that works in the terminal, editing files, running commands, and completing tasks across a codebase.
Paid
Use cases
- Implementing features and bug fixes end to end from the terminal
- Large refactors that span many files
- Automating repetitive engineering chores in CI or scripts
Pricing: Claude Code is included with Claude paid plans and is also available through usage-priced API access.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-09.
Listed together in guide “AI coding tools”
OpenAI's software engineering agent that writes features, fixes bugs, and proposes pull requests from cloud sandboxes or the terminal.
Paid
Use cases
- Delegating bug fixes and feature work to an agent
- Automated code review and PR preparation
- Asking questions about large codebases
Pricing: Codex access is bundled with ChatGPT Plus, Pro, Team, and Enterprise plans, with additional usage purchasable; API use is billed per token.
Sources
This record was last reviewed on 2026-09-04.
Listed together in guide “Choosing a VS Code AI extension”
Open-source AI code assistant extension for VS Code and JetBrains, acquired by Cursor with standalone development wound down.
Open (open weights/source) Apache-2.0
Use cases
- Coding assistance with a self-chosen or local model
- Privacy-focused development without a fixed vendor
- Customizing assistant behavior per project
Pricing: The extension is free and open source; costs come only from any hosted models a developer chooses to connect.
Sources
This record was last reviewed on 2026-09-10.
Listed together in guide “AI coding tools”
Autonomous AI software engineer that plans and completes end-to-end development tasks in its own sandboxed workspace.
Paid
Use cases
- Clearing well-scoped tickets and bug fixes autonomously
- Code migrations and dependency upgrades
- Prototyping features that engineers then review and refine
Pricing: Devin is a paid product with subscription plans; usage is metered by agent working time.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-10.
Listed together in guide “AI coding tools”
Agent-native software development platform from Factory AI that uses Droids to plan, write, test, and ship code across the software lifecycle.
Paid
Use cases
- Turning a ticket into a reviewed pull request with an agent
- Running parallel coding missions across a large codebase
- Enterprise SDLC automation with permission and audit controls
Pricing: Factory is a paid enterprise product. Pricing is sold by Factory and varies by deployment model, including SaaS, hybrid, on-prem, and air-gapped.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-09-04.
Listed together in guide “AI coding tools”
Google's open-source terminal agent that brings Gemini models to the command line for coding, research, and task automation.
Open (open weights/source) Apache-2.0
Use cases
- Coding and debugging from the terminal
- Automating shell and file tasks
- Research and Q&A in the command line
Pricing: Free with generous limits for individual Google accounts; higher usage is available through paid Google AI and API plans.
Sources
This record was last reviewed on 2026-09-10.