Dropstone

About Dropstone

Dropstone, built by Blankline, is a coding agent that leads on cost efficiency rather than raw capability — the claim is up to 4× more weekly coding usage per dollar than other AI coding CLIs, without dropping to a smaller model. It started as a terminal agent and that remains the core: it reads your repository, writes the diff, runs the tests and ships on infrastructure you control, planning and executing changes across a whole codebase from the CLI or an IDE. Three in-house model tiers — Fast, Pro and Heavy, each with what the vendor calls XHigh Thinking — sit behind the plan ladder, with Heavy reserved for paying users. Capabilities across all tiers include code generation, web search inside the agent, memory that persists across conversations, and connecting arbitrary tools through Remote MCP; paid tiers add context summarisation, a larger working context window, saved agent presets and system prompts, and higher file-upload limits. The more unusual half of the product is what Blankline calls Real-World AI: an enterprise deployment where the entire platform, including the models and the physical devices it controls, runs inside your own walls, with smart-home device control on Pro and outbound phone calls on Max. That combination — a cheap coding CLI plus an on-premises real-world action layer — is an odd but coherent bet on agents that do things outside the editor.

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