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7 tools in this category.
Anthropic's agentic coding tool. Lives in the terminal, reads and edits your repo directly, and takes instructions from a CLAUDE.md file you write.
From $20/mo (Pro) · usage-based API also availableOpenAI's open-source terminal agent. Runs locally in a sandbox, with cloud delegation for longer tasks.
Included with ChatGPT Plus/Pro/Business · or API keyOpen-source pair programming in your terminal. Git-native: every change lands as a commit.
Free and open source · you pay your own model costsGoogle's open-source terminal agent, with a notably generous free tier for individual developers.
Free tier with a personal Google account · paid for higher limitsA reimagined terminal with agents built into the shell itself — blocks, workflows and natural-language commands.
Free tier · paid plans by AI request allowanceSourcegraph's agent, built on the assumption that unlimited reasoning beats careful token budgeting.
Usage-based · free tier availableBlock's open-source, on-machine agent. Extensible through MCP, works with any model.
Free and open source · you pay model costs