🧠 AI Model Release Timeline
Every major LLM launch · GPT-1 (2018) → mid-2026
gpt0x.com
Company
All
OpenAI
Anthropic
Google
Meta
Mistral
DeepSeek
Size
All
Small
Medium
Large
Source
All
Open
Closed
+
−
2018
2020
2022
2024
2026