AI Timeline – 171 LLMs from Transformer (2017) to GPT-5.3 (2026)

In plain words

AI Timeline is an interactive resource tracking 171 major Large Language Models from the Transformer architecture in 2017 through GPT-5.3 in 2026. Users can filter models by open or closed source status and search across entries from 54 organizations. The tool serves researchers, developers, and AI enthusiasts seeking to understand the evolution and landscape of large language models over the past decade.

written from the facts on this page · September 2026

From the sources

AI Timeline is your powerful AI efficiency assistant. When you use AI in your browser, you'll need it. We don't provide AI services—we focus solely on boosting your AI productivity.

Interactive AI timeline tracking 194+ Large Language Models from 2017 to 2026. Explore the history of ChatGPT, GPT-4, Claude, Gemini, LLaMA, Mistral, DeepSeek and every major LLM ever released.

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  LLM Timeline2025 · llmtimeline.web.app · ▲7

  An interactive visualization of the evolution of LLM's

• 
  gpt-realtime-1.5 by OpenAIFeb 2026 · developers.openai.com · ▲300

  Tighter instruction adherence in speech agents

• 
  Marsha – An LLM-Based Programming Language2023 · github.com · ▲140

  Marsha is a functional, higher-level, English-based programming language that gets compiled into tested Python software by an LLM - alantech/marsha

• 
  How Stale Is Your AI? Release age and training cutoff for 20 modelsSep 2026 · stale.jock.pl · ▲82

  Training cutoff and release date for 20 AI models, from GPT-6 Astra to Claude Fable 5.1. Two live clocks: how old the model is, how old its knowledge is.

• TA
  Transform any Wikipedia article into a graphical timeline2022 · observablehq.com · ▲128
• 
  Talk to Transformer2019 · inferkit.com · ▲134

  See how a modern neural network completes your text.

• 
  Spira Maxima▲578

  Video model that turns script into viral social media videos

  AI · 19d ago · spira.ai

• 
  Rill Browser▲540

  The browser where Claude Code and Codex work beside you

  AI · 19d ago · rill.love

• 
  Germany's new sovereign AI model Kolibri▲424

  Kolibri is Aleph Alpha

  AI · 21d ago · tej.as

• 
  Giving Opus 5.5 a simulated paint canvas▲392

  Paintings by AI models: programs run through a simulation of oil paint.

  AI · 22d ago · stillwet.art

• 
  Beam.win▲379

  Run AI agents on one Mac and use its windows on another

  AI · 5d ago · beam.win

• 
  FastRouter.ai▲364

  Route requests to the right LLM for cost, latency & quality

  AI · 23d ago · fastrouter.ai

• 
  Rork Max▲1,428

  Best AI for iOS apps. Website that replaces Xcode

  Life & fun · Feb 2026 · rork.com

• 
  happycapy▲1,365

  The agent-native computer, for the rest of us

  AI · Feb 2026 · happycapy.ai

• 
  SuperX▲897

  All-in-one growth OS for serious 𝕏 creators

  AI · Feb 2026 · superx.so

• 
  KiloClaw▲868

  Hosted OpenClaw. No Mac mini required.

  Dev tools · Feb 2026 · kilo.ai

• 
  Lovon AI Therapy▲801

  Feel closer and have more fun with your partner every day!

  AI · Feb 2026 · lovon.app

• 
  I spent 3 years reverse-engineering a 40 yo stock market sim from 1986▲721

  Hello my name is Ben Ward for the past 3 years I have been remastering the financial game Wall Street Raider created by Michael Jenkins originally on DOS in 1986. It has been a rough journey but I finally see the light at the end of the tunnel. I just recently redid the website and thought maybe the full story of how this project came to be would interest you all. Thank you for reading.

  Work · Feb 2026 · wallstreetraider.com