{
  "model": "GPT-1",
  "notes": [
    "Introduced in 2018.",
    "Considered the first LLM despite having only 0.117 billion parameters."
  ]
}
{
  "model": "GPT-2",
  "notes": [
    "Released in 2019.",
    "Caught widespread attention because OpenAI initially deemed it too powerful to release publicly."
  ]
}
{
  "model": "GPT-3",
  "notes": [
    "Released in 2020.",
    "Available only via API with no offering of downloading the model to execute locally."
  ]
}
{
  "model": "ChatGPT",
  "notes": [
    "Released in 2022.",
    "Consumer-facing browser-based model that captured the imaginations of the general population."
  ]
}
{
  "model": "GPT-4",
  "notes": [
    "Released in 2023.",
    "Praised for increased accuracy and multimodal capabilities.",
    "OpenAI did not reveal the high-level architecture and the number of parameters."
  ]
}
{
  "model": "OpenAI o1",
  "notes": [
    "Released in 2024.",
    "Reasoning model that generates long chains of thought before returning a final answer."
  ]
}
{
  "model": "DeepSeek R1",
  "notes": [
    "Released in January 2025.",
    "671-billion-parameter open-weight model that performs comparably to OpenAI o1 but at a much lower cost."
  ]
}
{
  "model": "BERT",
  "notes": [
    "Introduced in 2018.",
    "Encoder-only model.",
    "Usage began to decline in 2023 due to improvements in decoder-only models."
  ]
}
{
  "model": "Mistral 7B and Mixtral 8x7b",
  "notes": [
    "Models by Mistral AI.",
    "Have the more permissive Apache License."
  ]
}
{
  "model": "Pixtral 12B",
  "notes": [
    "Introduced by Mistral in September 2024.",
    "First multimodal model by Mistral."
  ]
}
