Compare AI tools

	Suno S	Gamma A	Symphony A	Devin A
Tagline	Prompt to full song with vocals, instruments, the works.	AI slide decks that don't look AI-generated.	OpenAI's open-source daemon that turns your Linear board into an always-on coding agent factory — tickets go in, pull requests come out.	Cognition Labs' autonomous coding engineer.
Category	Audio	Productivity	Agents	Agents
Pricing	Free + $10/mo + $30/mo	Free + $10-$20/mo	Free (open-source)	$500/mo
Best for	Jingles, intros, demos, sketches, personal use.	Pitch decks, proposals, internal presentations — fast.	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.	Engineering teams offloading tickets. Ops/platform work.
Strengths	Real songs with real lyrics v4 is very good Quick turnaround	Strong templates Decks, docs, webpages Doesn't look generic	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	Works like an engineer — takes Slack tasks, opens PRs Handles multi-hour engineering work Reports back with what it did
Weaknesses	Copyright gray zone Audio quality behind studio	Locked into Gamma's format Export 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	Expensive Best for well-scoped tasks Not for solo hobbyists
Kai's verdict	S-tier in its category. The first AI music tool I'd actually listen to.	A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.	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 for the right use case. Not for solo devs. If you manage engineers, try one license.
Link	Open →	Open →	Open →	Open →