Compare AI tools

	Devin A	Cursor S	Flux (Black Forest Labs) A	Replicate S
Tagline	Cognition Labs' autonomous coding engineer.	VS Code fork that made AI coding actually work.	Open weights + strong photorealism. The open-source answer.	Run any open-source AI model with an API call.
Category	agents	coding	image	dev platform
Pricing	$500/mo	Free + $20/mo Pro + $40/mo Business	API + open weights (Schnell is Apache 2.0)	Pay per second of compute
Best for	Engineering teams offloading tickets. Ops/platform work.	Developers. Non-developers who want to ship working code.	Developers + power users who want control and privacy.	Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths	Works like an engineer — takes Slack tasks, opens PRs Handles multi-hour engineering work Reports back with what it did	Tab completion feels like mind-reading Composer for multi-file edits Runs Claude, GPT, Gemini — you pick	Runs locally on a beefy GPU Very photoreal Best open-weight model	Tens of thousands of models (image, video, audio, LLMs) One-line API for any model Cog framework for custom model deploy
Weaknesses	Expensive Best for well-scoped tasks Not for solo hobbyists	Can feel overwhelming for non-coders Expensive at scale	Harder to use than hosted tools Needs infra	Cold starts on less-popular models Pricing gets real at scale
Kai's verdict	A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.	S-tier for coding. If you write code of any kind, this pays back the $20 in a day.	A-tier. S-tier if you self-host. The reason open-source image gen matters.	S-tier for open-source model APIs. The default in this space.
Link	Open →	Open →	Open →	Open →