ChatGPT introduced mass-market conversational generative AI in November 2022. The next phase added stronger reasoning, tool use and software-development capabi…
OpenAI released ChatGPT as a free preview on November 30, 2022, built on GPT-3.5-era technology. Generative AI already existed; ChatGPT's real contribution was making it…
OpenAI released GPT-4 on March 14, 2023, with stronger reasoning, instruction-following and multimodal capability described in its technical report, rolling out to consu…
GitHub Copilot expanded with chat-based interaction, and Claude 2 brought much larger context windows. AI was no longer a separate chat window; it was embedded inside th…
o1-preview launched September 12, 2024, and full o1 on December 5, 2024. Instead of the first plausible answer, these models work through a problem step by step, improvi…
Devin popularized the autonomous coding agent category in March 2024. Cognition's own reported SWE-bench Verified score for Devin 2.0 is roughly 45.8%, trailing later fr…
Anthropic launched Claude Code in February 2025. Cursor grew into one of the fastest-growing developer tools of the decade. The IDE itself became an AI interaction surfa…
The typical instruction shifted from 'write this function' to 'implement this feature, run the tests, fix what fails.' Repository-wide context and test-and-fix loops bec…
Codex on GPT-5.6, Claude Code on Claude Opus 5, and Google's Antigravity 2.0 can plan multi-file changes, run tests and iterate over longer sessions. This is agentic exe…
Read the complete story, FAQs and key facts.