Harness Active Open source
Freebuff
Ad-funded free coding agent with terminal, desktop, web and mobile apps.
Get Freebuff 2 methods
Pricing
The free tier is funded by text ads and refills 30 hours of model usage daily. Paid plans add daily and monthly hours; yearly billing saves 22%.
- Free Free 30 hours refilled daily; ad-supported
- Starter $8/mo 50 hours daily plus 60 monthly bonus hours; all models
- Plus $25/mo 80 hours daily plus 100 monthly bonus hours; all models
- Pro $60/mo 130 hours daily plus 160 monthly bonus hours; all models
Prices as listed on 19 Oct 2026.
AboutCodebuff
Freebuff is a free coding agent from the Codebuff team, paid for by text ads rather than a subscription. It ships as a terminal CLI, a desktop app for macOS, Windows and Linux, a browser app and an Android app, with a curated multi-vendor model catalog, specialized subagents and hosted sandboxes in its Web and Cloud products. Paid plans add daily usage hours.
Features Verified 8/20 ✓ yes ✗ no ? not verified What do these mean?
Agents
3/5 verified ✓
Multi-provider
Runs agents from several providers side by side?
yes
?
ACP
Speaks the Agent Client Protocol?
not verified
✓
Parallel agents
Runs several agent sessions at the same time?
yes
✓
Subagents
Can an agent delegate work to child agents?
yes
?
Custom agents
Can you define your own agent roles?
not verified
Workflow
2/6 verified ?
Plan mode
Has an explicit plan / approve-before-edit step?
not verified
✓
Worktrees
Keeps parallel work in separate git worktrees?
yes
?
Checkpoints
Can you rewind code and chat to an earlier turn?
not verified
?
Diff review
Includes a built-in diff or review screen?
not verified
✗
PR integration
Opens and tracks pull requests from the session?
no
?
Automations
Can it start agent runs on a schedule or event?
not verified
Integrations
1/5 verified ?
MCP
Connects to MCP servers and their tools?
not verified
?
Skills
Can you add reusable skills or commands?
not verified
?
Hooks
Can your own scripts run on agent events?
not verified
?
Issue tracker
Can it pull work from GitHub or Linear issues?
not verified
✓
Browser preview
Can the agent open and drive a web browser?
yes
Access & safety
2/4 verified ✓
Remote access
Can you follow or control sessions from another device?
yes
✗
Cloud sandbox
Runs work in a hosted sandbox rather than on your machine?
no
?
Local sandbox
Does it sandbox what agents can do locally?
not verified
?
Headless / API
Can you run it from scripts, CI, or your own code?
not verified
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