Compare AI tools

	GitHub Copilot B	Symphony A	Gamma A	Luma Dream Machine A
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	OpenAI's open-source daemon that turns your Linear board into an always-on coding agent factory — tickets go in, pull requests come out.	AI slide decks that don't look AI-generated.	Smooth, cinematic motion. Image-to-video specialist.
Category	Coding	Agents	Productivity	Video
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Free (open-source)	Free + $10-$20/mo	Free + $10-$500/mo
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Engineering teams already using Linear + OpenAI Codex who want to stop babysitting agent sessions and instead let the issue tracker drive autonomous coding at scale.	Pitch decks, proposals, internal presentations — fast.	Photographers animating stills, cinematic b-roll.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	Fully autonomous ticket-to-PR pipeline: every open Linear issue gets its own isolated Codex agent without manual supervision Fault-tolerant Elixir/OTP architecture automatically restarts crashed agents and manages hundreds of concurrent runs WORKFLOW.md keeps all orchestration policy version-controlled inside the repo, so agent behavior is reproducible and reviewable like code Proven internal results: OpenAI reported a 500% increase in landed PRs on some teams within three weeks Open spec encourages community re-implementations in any language, not just Elixir	Strong templates Decks, docs, webpages Doesn't look generic	Best image-to-video in the category Great camera motion control Ray 2 model produces striking shots
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Currently only supports Linear as an issue tracker — GitHub Issues and Jira integrations are not yet official Only OpenAI Codex is officially supported as the agent runtime; other model integrations are community-contributed and incomplete Self-hosted, Elixir-dependent engineering preview with no built-in sandboxing — not suitable for untrusted or production environments out of the box	Locked into Gamma's format Export quality varies	Prompt fidelity below Runway Queue times on free tier
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	Symphony is the most architecturally serious 'issue tracker as control plane' approach yet — 15K GitHub stars in weeks confirms the idea resonates — but it's still a rough, self-hosted engineering preview that demands Elixir chops and a Linear-only workflow. (Verdict pending Phi's full review.)	A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.	A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
Link	Open →	Open →	Open →	Open →