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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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Opera One Browser
✓ verifiedFree
Free Chromium-based desktop browser with tab grouping, built-in AI, free VPN, ad blocker and sidebar apps.
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Refraction.dev
✓ verifiedFreemium
AI coding assistant for editors and IDEs that explains, refactors, documents, and generates code across 56 languages.
2.8K visits/mo
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Sherloq
✓ verifiedFreemium
AI chat assistant for analysts that generates and fixes SQL using an organization's own saved query history.
12K visits/mo
Pricing
No public pricing
No public pricing
Hobby: Free (10 code generations, 1 user)
Pro: $8/mo (unlimited generations, editor extensions)
Team: $14/user/mo (multiple members, shared history)
Free trial available
No public pricing
No public pricing
Core features
- ✦Fast tensor operations
- ✦Differentiable tensors for gradient-based optimization
- ✦Network connectivity
- ✦Integration with Bun and Flashlight
- ✦Support for GPU computation with CUDA (Linux) and CPU computation (macOS)
- ✦Tab Islands for organizing tabs into groups
- ✦Built-in Opera AI assistant with page context
- ✦Free VPN and ad blocker
- ✦Modular sidebar with apps and messengers
- ✦Split-screen browsing and immersive themes
- ✦Bug detection and fix suggestions
- ✦Code and CSS framework conversion
- ✦Unit test and documentation generation
- ✦Regex, SQL query, and CI/CD pipeline generation
- ✦Code explanation and style checking
- ✦Editor extensions for VS Code, Sublime, JetBrains, Visual Studio
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- ✦AI chat trained on the user's own SQL repository
- ✦query saving, tagging, and versioning
- ✦team folder permissions and sharing
- ✦Chrome extension and IntelliJ plugin
- ✦SOC2-compliant security with no database access needed
- ✦table and field lookup assistance
Use cases
- →Creating and manipulating datasets
- →Training small machine learning models
- →Implementing advanced training and inference logic
- →Building applications that require tensor computations
- →Browsing with organized tab groups
- →Using AI assistance while browsing
- →Protecting privacy with a free VPN
- →Multitasking with sidebar apps and split screen
- →Generating unit tests for existing functions
- →Refactoring legacy code to modern practices
- →Producing inline documentation automatically
- →Learning new programming languages or concepts via AI explanations
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- →sharing reusable SQL snippets across an analytics team
- →quickly fixing syntax errors in existing queries
- →onboarding new analysts to a team's existing SQL logic
- →building a searchable personal or team SQL knowledge base
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