Which one has the most chance of open-sourcing old 2020-2024 AI models? OpenAI, Google or Antrophic? Why? Tell also a model that would open source (ya select only one old model)

if OpenAI selected = GPT-3 (2020), Codex (2021), GPT-3.5 (2022), GPT-3.5 Turbo (2023), GPT-4 (2023), GPT-4 Turbo (2023), GPT-4o (2024) or GPT-4o mini (2024)? if Google selected = PaLM 2 Bison, PaLM 2 Unicorn, PaLM 2 Gecko or PaLM 2 Otter (2023), Gemini 1.0 Pro, (2023), Gemini 1.5 Flash (2024), Gemin