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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Manus
✓ verifiedFreemium
General AI agent that executes multi-step tasks end to end — research, slides, design, browsing — instead of only answering questions.
28M visits/mo89K saves
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Google Antigravity
✓ verifiedFree
Google's agentic development platform and IDE for building software with autonomous, Gemini-powered coding agents.
22M visits/mo18K saves
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Agent Skills Marketplace
✓ verifiedFree
Searchable directory of open-source AI agent 'skills' (SKILL.md files) for developers building with Claude, Codex, or ChatGPT agents.
777K visits/mo
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Sourcery Sentinel
✓ verifiedPaid
Sourcery's AI agent for automated production issue fixing and code quality; established dev-tools brand.
82K visits/mo1.5K saves
Pricing
No public pricing
No public pricing
No public pricing
Code Quality - Open Source: Free
Code Quality - Pro: $12 per seat / month
Code Quality - Team: $24 per seat / month
Code Quality - Enterprise: Talk to us
Production Issues - Free: Free
Production Issues - Resilience Plus: $200 per month
Production Issues - Enterprise Uptime: Talk to us
Core features
- ✦Autonomous multi-step task execution
- ✦Website and app building
- ✦AI slides, design and image generation
- ✦Manus browser operator
- ✦Wide Research mode
- ✦Cross-platform web, desktop and mobile apps
- ✦Agent-first IDE experience
- ✦Autonomous planning and code execution
- ✦Integrated editor, terminal and browser control
- ✦Powered by Google's Gemini models
- ✦High-level developer supervision
- ✦Full-text search across millions of indexed SKILL.md files
- ✦Browse skills by creator or by occupation category
- ✦Inspect GitHub source links for each skill before use
- ✦REST API access to the skill catalog
- ✦One-click running of skills inside supported agent platforms
- ✦AI investigation and diagnosis of Sentry issues
- ✦Automated code fixes for production issues
- ✦Slack integration for instant alerts
- ✦One-click Pull Request (PR) creation for fixes
- ✦Code review for private repositories
- ✦Pull request summary generation
- ✦Mermaid diagrams for code visualization
- ✦Line-by-line code reviews
- ✦Custom code review rules
- ✦Repository analytics
Use cases
- →Automate end-to-end digital tasks
- →Produce websites and presentations
- →Conduct broad research
- →Hand off browser tasks to an agent
- →Building apps with AI agents
- →Automating multi-step coding tasks
- →Prototyping and iterating on software
- →Assisting developers on complex work
- →Finding an existing agent skill instead of writing one from scratch
- →Comparing similar skills across different creators
- →Building custom search or analytics on top of the skill catalog via API
- →Discovering skills relevant to a specific job function
- →Fixing production bugs and errors faster
- →Increasing system uptime and reliability
- →Reducing support and debugging costs
- →Automating code quality checks and improvements
- →Streamlining code review processes
- →Identifying and triaging critical Sentry issues
- →Enhancing code security through automated scanning
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