AI Coding Tools Developer Productivity Claude Code Cursor Copilot Codex Antigravity Benchmark Opus 4.6 Blackdeep Technologies AI Product Studio AI Engineering Knowledge Sharing
AI Coding Tools Compared: Claude Code, Cursor, Copilot, Codex & Antigravity (2026)
The Blackdeep Technologies engineering team benchmarked Claude Code, Cursor, Copilot, Codex, and Antigravity on identical prompts. The same Opus 4.6 model produced 2.8x different token costs and wildly different output — proving the tool matters as much as the model.
Blackdeep Technologies April 2, 2026