Here is a list of public release dates for OpenAI's GPT models, as well as Meta's LLaMA, Google's Gemini, and Anthropic's Claude:

OpenAI GPT Models

1. GPT-1: Released in June 2018.
2. GPT-2: Released in February 2019 (initial beta) and the full model was made available in November 2019.
3. GPT-3: Released in June 2020.
4. GPT-3.5 (ChatGPT): Released in November 2022.
5. GPT-4: Released on March 14, 2023.
6. GPT-4.5: Announced for release on February 27, 2025.

Meta's LLaMA

• LLaMA (Large Language Model Meta AI): Released on February 24, 2023.

Google's Gemini

• Gemini 1: Released on December 12, 2023.

Anthropic's Claude

1. Claude 1: Released on March 13, 2023.
2. Claude 2: Released on July 11, 2023.
3. Claude 3: Expected to be announced in early 2024 (exact date not specified).

This summary outlines the major public releases of these prominent AI models and highlights their significance in the development of AI technology.Here are the public release dates for the major AI language models from OpenAI, Meta, Google, and Anthropic:

OpenAI GPT Models:

1. GPT-2: Released in stages, with the full version available on November 30, 2019.
2. GPT-3: Available starting June 11, 2020 as a beta via API.
3. GPT-3.5: Released on March 15, 2022 with text-davinci-002.
4. GPT-4: Launched on March 14, 2023.
5. ChatGPT (based on GPT-3.5): Released on November 30, 2022.

Meta's Llama Models:

1. Llama 1: Released on February 24, 2023.
2. Llama 2: Introduced on July 18, 2023.
3. Llama 3: Announced in stages, with the latest release noted on July 23, 2024 for Llama 3.1.

Google Gemini:

1. Gemini 1: Officially launched on December 12, 2023.
   • Note that Gemini is part of a broader initiative from Google to enhance their AI offerings, succeeding the Bard project.

Anthropic's Claude Models:

1. Claude 1: Released in March 2023.
2. Claude 2: Followed in July 2023.
3. Claude 3: Announced on March 24, 2024.

These dates reflect significant advancements and public availability of influential AI models in the ongoing development of artificial intelligence technologies. If you would like more detailed information or context on each model, feel free to ask!Here are the public release dates for various AI models from OpenAI, Meta, Google, and Anthropic:

OpenAI GPT Models

1. GPT-1: June 2018
2. GPT-2: February 2019 (limited release); full model released in November 2019.
3. GPT-3: June 2020 (public API released on June 11, 2020).
4. GPT-3.5: March 2022.
5. GPT-4: March 14, 2023.

Meta's LLaMA Models

1. LLaMA (v1): February 2023.
2. LLaMA 2: July 2023.
3. LLaMA 3: October 2023.

Google Gemini Models

1. Gemini 1: December 13, 2023.
2. Gemini 1.5: Launched in early 2024, with specific versions (1.5 Pro on June 27, and other updates throughout 2024).
3. Gemini 2: Expected in late 2024.

Anthropic's Claude Models

1. Claude 1: March 2023.
2. Claude 2: July 2023.
3. Claude 3: Expected in early 2024.

These dates showcase the emerging landscape of AI models and their rapid evolution. For further details on each release, you can reference the respective sources for more insights. If you have any additional inquiries about these models or their capabilities, feel free to ask!