So far, 2025 has been another year for AI continued development and regression in someways, with major breakthroughs in reasoning, multimodal systems, and real world applications. But I felt there has not a clean list somewhere to check the progress and regression of this continously evolving field. This is not a complete list, and it will keep getting updated once in a while.
2025 brought us Claude 4, MCP, Agents, GPT-5, o3 reasoning. A timeline of artificial intelligence developments, breakthroughs, and milestones throughout 2025
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AI Events
2025
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