MicrosoftText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.OpenOpen model: Its files are public (open weights), so anyone can download it and run it on their own computer, usually for free.The archive
All releases
Every model release from the labs trckr follows, newest first: spotted live since November 2026, and from the archive back to 2018.
January 2019
GoogleText & chat
MajorMajor release: A new general-purpose AI model from a leading lab, the kind behind ChatGPT, Claude or Gemini: a new flagship or generation.OpenOpen model: Its files are public (open weights), so anyone can download it and run it on their own computer, usually for free.Transformer-XL (257M)
November 2018
GoogleText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.GPipe (Transformer)
September 2018
MetaText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.OpenOpen model: Its files are public (open weights), so anyone can download it and run it on their own computer, usually for free.Transformer (Adaptive Input Embeddings) WT103
August 2018
MetaText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.OpenOpen model: Its files are public (open weights), so anyone can download it and run it on their own computer, usually for free.Big Transformer for Back-Translation
June 2018
OpenAIText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.OpenOpen model: Its files are public (open weights), so anyone can download it and run it on their own computer, usually for free.GPT-1
March 2018
MicrosoftText & chat
NotableNotable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.