AI Model Release Timeline (2022-2026)
The pace of frontier AI model releases went from a single landmark launch in late 2022 to a new flagship roughly every one to two weeks by 2026.
Generative AI
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Amazon Nova
Amazon Nova is a family of foundation models developed by Amazon and offered through Amazon Bedrock, announced on December 3, 2024, at the AWS re:Invent conference in Las Vegas.
ChatGPT
ChatGPT is a conversational artificial intelligence chatbot developed by OpenAI and built on the company's GPT series of large language models.
Claude (language model)
Claude is a family of large language models (LLMs) developed by Anthropic, an American artificial intelligence safety and research company.
GPT Model Timeline (GPT-1 to GPT-5.x)
OpenAI's GPT lineage runs from GPT-1 (June 2018, 117 million parameters, a 512-token context window) to the GPT-5.6 "Sol, Terra, Luna" family that entered limited preview on June 26, 2026.
GPT-4
GPT-4 (Generative Pre-trained Transformer 4) is a large language model developed by OpenAI and released on March 14, 2023.
Gemini (language model)
Gemini is a family of natively multimodal large language models developed by Google DeepMind, first announced on December 6, 2023, that can reason across text, images, audio, video, and code within a single…
Gemini 3.6 Flash
Gemini 3.6 Flash is a proprietary, multimodal large language model released by Google on July 21, 2026. It belongs to the Gemini 3 series and uses the stable API identifier gemini-3.6-flash.
Gemini 3.7 Flash
Gemini 3.7 Flash is a proprietary, multimodal large language model released by Google on August 13, 2026.
Gemini 3.8 Flash
Gemini 3.8 Flash is a multimodal model in Google's Gemini family. Google DeepMind released it on September 2, 2026 as a generally available model for software engineering, tool-using agents, and knowledge work.
Grok
Grok is a family of generative artificial intelligence chatbots and large language models (LLMs) built by xAI, the company founded by Elon Musk.
Grok 4.5
Grok 4.5 is a proprietary multimodal large language model and reasoning model in the Grok family. It was developed by SpaceXAI in collaboration with Cursor and released through the xAI API on July 8, 2026.
Grok 4.6
Grok 4.6 is a proprietary large language model and reasoning model in the Grok family, developed by SpaceXAI and released jointly with Cursor through the xAI API on August 12, 2026.