Devon
Codex
Built for humans and agents
Now in early access
Sundial lets you hand off work to agents while staying in the driver’s seat.
Sundial lets you hand off work to agents while staying in the driver’s seat.
Sundial lets you hand off work to agents while staying in the driver’s seat.
Claude
Maya
Sunny
Used by researchers and
builders at
Used by researchers and builders at
Features
Built for human understanding, not just doing.
Built for human understanding, not just doing.
Built for human understanding, not just doing.
Built for human understanding, not just doing.

Be in the driver’s seat
Review and track edits as precisely as you’d like. Batch review edits across users, agents, files, or time.

Be in the driver’s seat
Review and track edits as precisely as you’d like. Batch review edits across users, agents, files, or time.

Be in the driver’s seat
Review and track edits as precisely as you’d like. Batch review edits across users, agents, files, or time.

Use your preferred AI agent
Connect Claude Code or any local agent in seconds. Or use Sunny, Sundial's agent that is compatible with 100+ models.

Use your preferred AI agent
Connect Claude Code or any local agent in seconds. Or use Sunny, Sundial's agent that is compatible with 100+ models.

Real-time multiplayer
Live cursors, inline comments, version history: everything you expect from a modern collaborative editor.

Real-time multiplayer
Live cursors, inline comments, version history: everything you expect from a modern collaborative editor.
Comparison
Everything
in one place.
Everything
in one place.
Real-time collaborative
Version history
Works with any agent
Edit attribution
Batch review diffs
Claude & Codex
Tools open
Real-time collaborative
No co-editing
AI
Version history
Commit-based
Notebooks
Works with any agent
Locked to one vendor
LaTeX compile
Edit attribution
No attributed records
Only on commit
Git sync
Review diffs batches
Yes, per chat
Sundial
Live, multiplayer docs
Tools open
Real-time collaborative
Edit-by-edit
AI
Version history
Use any agent or model
Notebooks
Works with any agent
Every edit, attributed
LaTeX compile
Edit attribution
Yes, across chats
Git sync
Review diffs batches
Free early access
Collaborate on work you can trust.
Join us for early access to Sundial!
Free early access
Collaborate on work you can trust.
Join us for early access to Sundial!
Free early access
Collaborate on work you can trust.
Join us for early access to Sundial!
Free early access
Collaborate on work you can trust.
Join us for early access to Sundial!
Free early access
Collaborate on work you can trust.
Join us for early access to Sundial!