Timeline

AI Timeline

Significant developments in artificial intelligence, ordered chronologically. Each entry links to its primary source.

25 events·7 categories
Industry adoptionMilestoneModel releaseProduct launchRegulationResearchScientific breakthrough
1950
1950Research

Turing proposes the imitation game

Alan Turing publishes 'Computing Machinery and Intelligence', proposing a test for machine intelligence that frames the field for decades.

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1956
1956Research

Dartmouth workshop coins 'artificial intelligence'

John McCarthy organises the Dartmouth Summer Research Project, which names the field and establishes it as a discipline.

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1997
1997-05Milestone

Deep Blue defeats Kasparov

IBM's Deep Blue beats world chess champion Garry Kasparov in a six-game match, the first time a computer defeats a reigning champion under standard tournament conditions.

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2012
2012-10Research

AlexNet wins ImageNet

Krizhevsky, Sutskever and Hinton's convolutional neural network wins the ImageNet Large Scale Visual Recognition Challenge by a wide margin, catalysing the deep learning era.

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2014
2014-06Research

Generative adversarial networks published

Goodfellow et al. introduce GANs, enabling neural networks to generate realistic images by training two networks against each other.

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2016
2016-03Milestone

AlphaGo defeats Lee Sedol

DeepMind's AlphaGo defeats world Go champion Lee Sedol 4-1, a game previously considered too complex for brute-force search.

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2017
2017-06Research

Transformer architecture published

Vaswani et al. publish 'Attention Is All You Need', introducing the transformer architecture that becomes the foundation for GPT, BERT, and all major language models.

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2018
2018-06Model release

GPT-1 released

OpenAI releases GPT-1, demonstrating that generative pretraining on a large text corpus followed by discriminative fine-tuning produces strong results across many NLP tasks.

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2018-10Model release

BERT released

Google releases BERT, a bidirectional transformer that sets new benchmarks on 11 NLP tasks and becomes the dominant approach for understanding tasks.

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2020
2020-05Model release

GPT-3 released

OpenAI releases GPT-3 with 175 billion parameters, demonstrating few-shot learning and sparking widespread interest in large language models.

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2021
2021-01Model release

DALL-E announced

OpenAI announces DALL-E, a model that generates images from text descriptions, demonstrating multimodal capability.

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2021-07Scientific breakthrough

AlphaFold 2 protein structure database released

DeepMind and EMBL release predicted structures for nearly all known proteins, an application of AI to a fundamental problem in biology.

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2022
2022-04Regulation

EU AI Act proposal advances

The European Parliament committees adopt their positions on the AI Act, establishing the risk-based regulatory framework that becomes law in 2024.

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2022-11-30Product launch

ChatGPT launched

OpenAI launches ChatGPT, reaching an estimated 100 million users within two months and bringing large language models to mainstream attention.

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2023
2023-02Industry adoption

Microsoft integrates GPT-4 into Bing

Microsoft launches the new Bing with GPT-4 integration, the first major search engine to incorporate a large language model into core search.

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2023-03-14Model release

GPT-4 released

OpenAI releases GPT-4, a multimodal model accepting text and image input, with substantially improved reasoning over GPT-3.5.

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2023-07Model release

Llama 2 released as open weights

Meta releases Llama 2 with open weights, establishing the pattern of large open-weight model releases that DeepSeek, Mistral and others follow.

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2023-10-30Regulation

US Executive Order on AI Safety

President Biden signs Executive Order 14110, requiring safety testing and reporting for AI systems above a compute threshold.

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2024
2024-02Model release

Google releases Gemini 1.5 with 1M token context

Google DeepMind releases Gemini 1.5 Pro with a 1 million token context window, an order of magnitude larger than competitors at the time.

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2024-08-01Regulation

EU AI Act enters into force

The EU Artificial Intelligence Act becomes law, with a phased implementation timeline. Prohibited practices apply from February 2025.

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2024-12-26Model release

DeepSeek-V3 demonstrates cost-efficient training

DeepSeek releases V3, a 671B MoE model trained at a fraction of the cost of comparable Western models, challenging assumptions about the compute required for competitive performance.

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2025
2025-01-20Model release

DeepSeek-R1 released with open weights

DeepSeek releases R1, an open-weight reasoning model competitive with OpenAI o1, demonstrating that reasoning capability is not exclusive to closed models.

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2025-04-05Model release

Llama 4 released

Meta releases Llama 4 Maverick and Scout, the first Llama models with mixture-of-experts architecture. Scout offers a 10M token context window.

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2025-04-16Model release

OpenAI releases o3 and o4-mini

OpenAI releases o3 and o4-mini reasoning models with tool use and agent capabilities, the first reasoning models with native function calling.

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2025-05-22Model release

Anthropic releases Claude 4

Anthropic releases Claude Opus 4 and Sonnet 4 with extended thinking and improved agentic capabilities.

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