Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
Marketing Advertising__digital Marketing__content Marketing__blog Article Generation__content PlanningSoftware Development__coding Assistants Copilots__ide CopilotsSoftware Development__coding Assistants CopilotsMarketing Advertising__digital Marketing__content Marketing__blog Article GenerationMarketing Advertising__digital Marketing__content MarketingSoftware DevelopmentMarketing Advertising__digital MarketingMarketing Advertising
✕
Continue
✓ verifiedFreemium
Open-source AI coding assistant offering autocomplete and chat in IDEs; the company was acquired by Cursor.
👁 775K/mo
✕
Castly
✓ verifiedFreemium
AI writing assistant that turns chat conversations and uploaded PDFs into polished, publishable content for creators.
👁 3.4K/mo
Pricing
No public pricing
No public pricing
Free: $0 (5 PDF uploads, 5 published posts)
Pro: $12/mo (unlimited conversations, uploads, posts)
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)
- ✦Open-source AI code assistant
- ✦Customizable autocomplete
- ✦In-editor AI chat
- ✦Community-built coding agent
- ✦Conversational AI content generation
- ✦Question-answering over uploaded PDFs
- ✦Rich text editor for refining drafts
- ✦One-click publishing and sharing
- ✦Unlimited conversations on all plans
Use cases
- →Creating and manipulating datasets
- →Training small machine learning models
- →Implementing advanced training and inference logic
- →Building applications that require tensor computations
- →Get AI code completions while coding
- →Ask questions about code in the editor
- →Build on an open-source coding-agent foundation
- →Drafting blog posts and articles
- →Extracting insights from documents
- →Refining and polishing AI drafts
- →Publishing content quickly
Visit