Compare AI tools

	Runway S	Kling A	Adobe Firefly A	GitNexus A
Tagline	The pro's AI video tool. Gen-4 is the current bar.	Kuaishou's video model. The surprise standout.	Commercially safe image gen, deeply integrated with Photoshop.	An open-source, MCP-native knowledge graph engine that gives AI coding agents (Cursor, Claude Code, Windsurf) genuine structural awareness of your codebase before they touch a single line.
Category	Video	Video	Image	Coding
Pricing	Free + $15-$95/mo	Credit-based, free trial	Free + included with Creative Cloud	Free (MIT open source)
Best for	Marketing video, pitch decks, b-roll, creative shorts.	Anyone who wants top-tier video quality for less.	Anyone in Creative Cloud. Brands that need copyright clarity.	Developers working in large or unfamiliar codebases who want their AI coding agent to stop making confident, structurally blind edits — especially Claude Code power users.
Strengths	Most mature video workflow Character consistency via Act-One Gen-4 quality is production-grade	Very strong motion + physics Often beats Runway on realism Great price	Trained on licensed content — commercially safe Generative Fill in Photoshop is incredible Native to Adobe ecosystem	Pre-computes a full dependency graph (functions, imports, class inheritance, execution flows) via Tree-sitter ASTs — agents query structure, they don't guess at it Zero-server, privacy-first: CLI runs entirely locally with no network calls; browser UI processes code client-side and never uploads it Deepest Claude Code integration on the market: MCP tools + agent skills + PreToolUse/PostToolUse hooks that auto-enrich searches and auto-reindex after commits One global MCP server handles multiple indexed repos — set up once with npx gitnexus setup and forget it detect_impact and generate_map MCP prompts give pre-commit blast-radius analysis and auto-generated Mermaid architecture docs
Weaknesses	Expensive at scale Still needs post-editing	UX is rough for English speakers Queue times	Aesthetic ceiling below Midjourney Tied to Adobe subscription	Browser-side RAG has hard ceilings: WASM heap limits constrain embedding model quality compared to server-side tools; monorepos or repos >50k files hit practical walls Community-built and not officially maintained — velocity and long-term support depend on contributor goodwill Claude Code gets the full integration experience; other editors (Windsurf, Cursor) get progressively less — value is uneven depending on your editor
Kai's verdict	S-tier. Market leader with reason. Start here for serious video.	A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.	S-tier inside Photoshop (Generative Fill). B-tier standalone.	GitNexus solves a real and underappreciated problem: AI coding agents are syntactically fluent but architecturally blind, and plugging a pre-computed knowledge graph into the MCP layer is the right fix. 28k GitHub stars in days suggests the pain is widely felt — just go in knowing it's a community project, not a polished product. (Verdict pending Phi's full review.)
Link	Open →	Open →	Open →	Open →