Bothread vs Overplane

Bothread and Overplane are both cli coding agents tracked by AIDiveForge. Below is a side-by-side comparison of pricing, capabilities, platforms, and ownership — sourced from each tool's live website and verified before publishing.

Bothread

Bothread runs locally on your machine and coordinates MCP-compatible agents — Claude Code, Cursor, Gemini CLI, Codex, and others — on a single codebase through a shared room where agents claim files before editing them. You watch the live thread of agent activity and can pause, redirect, mute, or remove any agent mid-task. An optional approval gate lets you sign off before any action flagged as risky proceeds. The coordination layer calls no models itself and requires no API keys — it only manages the agents you are already running. The ceiling appears when your project requires agent tooling that does not speak MCP: any agent outside that protocol sits outside Bothread's coordination entirely.

Overplane

Overplane is a free, open-source CLI binary that wraps Claude Code, Codex, or OpenCode in container isolation, spec-driven builds, and Z3 formal verification before a single line of code is written. Every agent run executes in a locked-down container with a restricted view of the host system, so a bad outcome means deleting a sandbox, not restoring a backup. Builds are content-hashed and content-addressable, which means you can replay any build down to a single spec and see the normalized dollar cost attached to that run. The ceiling appears early in teams who need the tool to also do its own code generation — Overplane is a build wrapper around agents you already own, not a coding agent itself.

Attribute	Bothread	Overplane
Pricing	Free	Free
Free trial	No	No
Open source	Yes	Yes
Has API	No	No
Self-hosted option	Yes	Yes
Platforms	Local machine (127.0.0.1)	Linux, macOS, Windows (local binary)
Pros	File-claiming before any edit happens, so two agents cannot overwrite each other's work on the same file — the class of silent conflict that makes multi-agent setups unreliable on a shared codebase is eliminated by design. Optional approval gate for risky actions, which means you stay in the loop on consequential changes without having to watch every line the agents produce. No API keys and no cloud calls — Bothread coordinates agents you already run, so adding it does not change your cost structure or introduce a new data-transmission surface. Fully self-hosted on 127.0.0.1 with MIT source available, so teams with strict data-residency requirements can audit the coordination layer and verify nothing leaves the machine. Live thread visibility with per-agent pause, redirect, mute, and remove controls, which means you can intervene on one agent mid-task without stopping the rest of the room.	Every agent run executes in a locked-down container with a restricted view of the host system, so a compromised or misbehaving agent destroys a sandbox rather than your local environment or production credentials. Z3 runs on per-spec and merged Intermediate Representation models before any code is generated, which means logical contradictions in your spec surface as a pre-build error rather than a 4,000-line diff you have to reverse-engineer. Content-hashed images and content-addressable outputs make builds cacheable and replayable down to a single spec, so audit requests or incident investigations do not require reconstructing what the agent did from memory. Agent-agnostic design with per-project or per-run agent selection and normalized cost tracking across runs, which means you can benchmark Claude Code against Codex on the same spec without re-architecting anything. Apache-2.0 licensed with no hosted offering and no subscription, which means the tool introduces no vendor lock-in and no data leaving your infrastructure beyond what the agent API calls require.
Cons	Any agent that does not speak MCP cannot join a Bothread room — it operates outside the file-claiming and conflict-prevention system entirely. Teams whose preferred agent lacks MCP support face a hard choice: swap the agent for an MCP-compatible alternative or accept that coordination is incomplete and one agent can still overwrite another's work. Bothread has no API surface of its own, so there is no programmatic way to integrate the coordination layer into a CI pipeline, a deployment script, or any automated workflow that sits outside the agents themselves. Teams that want coordination events surfaced in external tooling have no supported path to do that. The tool coordinates agents but does not task them — it has no built-in mechanism for splitting a feature into subtasks and routing each to the right agent automatically. Teams that need that kind of work decomposition will reach for a separate orchestration layer, at which point they are maintaining two systems.	Overplane does not include a coding agent — it drives Claude Code, Codex, or OpenCode, which means a team that does not already have those agents installed and API keys configured faces a multi-tool setup before a single build runs. Teams without an existing agent subscription hit this wall immediately and often reach for an integrated hosted tool instead. The tool is described as v0.0.8, which the vendor page does not present as production-stable. Teams evaluating it for a compliance-sensitive production pipeline face the specific problem of building internal policy around a binary that carries no stated stability guarantee — they document the version, pin it, and own the upgrade path. Formal spec verification with Z3 adds value only when specs are written to the schema Overplane expects. Teams migrating existing informal or prose-heavy spec documents spend the migration time rewriting specs before they see any verification benefit — the workflow does not adapt to how specs were written before.

Bottom line

Bothread and Overplane are closely matched on pricing model, openness, and API availability — pick by feature set and platform support in the table above.

Frequently asked questions

What is the difference between Bothread and Overplane?

Bothread is Free and open source, while Overplane is Free and open source. Compare pricing, free trial, API, platforms, and pros/cons in the table above on AIDiveForge.

Is Bothread better than Overplane?

It depends on your workflow. Use the side-by-side attributes (pricing, open source, API, self-hosted, platforms) to decide. AIDiveForge does not rank a universal winner — we publish verified facts so you can choose.