AI Agents History Timeline (1950-2026): Evolution of Autonomous AI

AI agents are software systems that perceive their environment, make decisions, and take actions autonomously to achieve defined goals — evolving from rule-bas…

Alan Turing Proposes the Imitation Game: The Philosophical Birth of AI Agents

In October 1950, mathematician Alan Turing published 'Computing Machinery and Intelligence' in the journal Mind, posing the question 'Can machines think?' and proposing…

The 1956 Dartmouth Workshop Founds Artificial Intelligence as a Field

In the summer of 1956, John McCarthy convened the Dartmouth Summer Research Project, joined by Marvin Minsky, Claude Shannon, Nathaniel Rochester and other pioneers. McC…

MIT's ELIZA Becomes the First AI Program to Simulate Conversational Agency

Joseph Weizenbaum at MIT created ELIZA between 1964 and 1966 — a program that used pattern matching and scripted responses to simulate a Rogerian psychotherapist. ELIZA…

Marvin Minsky's 'The Society of Mind' Proposes Intelligence from Interacting Ag…

In 1986, AI pioneer Marvin Minsky published 'The Society of Mind,' arguing that intelligence emerges from the interaction of many simpler, non-intelligent 'agents.' Each…

Russell & Norvig Formalise the Rational Agent Model in 'AI: A Modern Approach'

In 1995, Stuart Russell and Peter Norvig's textbook 'Artificial Intelligence: A Modern Approach' (AIMA) redefined AI around the concept of the 'rational agent.' A ration…

IBM Watson Defeats Human Champions on Jeopardy!, Signalling the Rise of Languag…

In February 2011, IBM's Watson system competed against Jeopardy! champions Ken Jennings and Brad Rutter over three episodes and won decisively, earning $1 million in pri…

DeepMind's AlphaGo Defeats Lee Sedol, Proving AI Agents Can Master Intuitive Hu…

In March 2016, Google DeepMind's AlphaGo defeated 18-time world Go champion Lee Sedol 4 games to 1 in Seoul. Go has approximately 10 to the power of 170 possible board p…

OpenAI Launches ChatGPT, Triggering the Mass Deployment Era of Conversational A…

In 2022, two papers laid the intellectual foundation for LLM agents: chain-of-thought prompting (reasoning in steps) and ReAct (interleaving reasoning with actions and t…

AutoGPT Launches on GitHub, Becoming the First Widely Accessible Autonomous AI…

OpenAI’s GPT-4 (March 2023) supercharged a wave of autonomous agents. AutoGPT (30 March 2023) and BabyAGI (April 2023) showed an LLM looping to pursue goals on its own,…

Cognition, OpenAI, Anthropic Launch Reasoning Models & Computer-Use Agents

2024 marked a significant leap for AI agents with major product launches and technical breakthroughs. Cognition unveiled Devin in March, billed as the first autonomous A…

OpenAI Operator, Google A2A Protocol, and Agent SDKs Launch

2025 saw significant advancements in AI agents, particularly in browser interaction and inter-agent communication. OpenAI released Operator in January, a browser agent p…

Multi-Agent Orchestration Matures, Driving Enterprise Adoption & New Standards

2026 is widely recognized as the year of multi-agent systems, as organizations transitioned from single-agent pilots to coordinated fleets of specialized agents. Two ope…