Blackbox vs Amazon CodeWhisperer vs Tabnine – The Ultimate 2025 AI Coding Assistant Comparison
Blackbox AI, a Canadian startup, claims 15+ million users in 2025 and runs a multi-LLM stack including a GPT-4 variant, Claude 3.5 “Sonnet”, Google Gemini Pro, and LLaMA 3.1. Blackbox is completely free for individual developers as of August 2025, with API access being the only paid component. Blackbox offers a VS Code extension, a web interface, a Chrome browser extension, and an Android mobile app, but as of early 2025 it had no native JetBrains IDE integrations. Core Blackbox capabilities include real-time code generation and autocomplete across 20+ languages, an in-IDE code chat with domain-specific agents, AI README and