From ChatGPT to AI-Native Development The Applications Era ChatGPT Launch Nov 2022 GPT-4 Multimodal Mar 2023 Reasoning Models (o1) Sep 2024 DeepSeek R1 Open Weights Jan 2025 Vibe Coding Claude Code Mid 2025 Nov 2022 2023 2024 Jan 2025 Mid 2025 Rapid evolution: capability jumps, democratization, and new development paradigms