AI model releases in 2024
Each row is one node from a vendor timeline already published here. This page does not add a release that those timelines do not list. The date and the wording come from that node. The source link is the page that timeline cites.
| Date | Vendor | What the timeline says | Source cited there |
|---|---|---|---|
| 2024-02-15 | Google timeline | Google announces Gemini 1.5, starting with 1.5 Pro and an experimental 1 million-token context window for a limited group of developers and enterprise customers. | Google: Our next-generation model, Gemini 1.5 |
| 2024-03-04 | Anthropic timeline | The Claude 3 family is announced in three sizes, Haiku, Sonnet and Opus. Opus and Sonnet are available in the API the same day; the post says Haiku will follow soon. | Anthropic: Introducing the next generation of Claude |
| 2024-03-17 | xAI timeline | xAI releases the base model weights and architecture of Grok-1, a 314 billion parameter Mixture-of-Experts model, under the Apache 2.0 license. | xAI: Open release of Grok-1 |
| 2024-03-28 | xAI timeline | Grok-1.5 is introduced with long-context understanding and improved reasoning, for early testers and existing Grok users on X. | xAI: Announcing Grok-1.5 |
| 2024-04-09 | Google timeline | Gemini 1.5 Pro is released in preview in the Gemini API as gemini-1.5-pro-latest. | Gemini API changelog |
| 2024-04-09 | OpenAI timeline | GPT-4 Turbo with Vision becomes generally available in the API. | OpenAI API changelog |
| 2024-05-10 | Google timeline | Gemini 1.5 Flash is released in preview as gemini-1.5-flash-latest. | Gemini API changelog |
| 2024-05-13 | OpenAI timeline | GPT-4o is released in the API; the changelog calls it OpenAI’s fastest and most affordable flagship model at the time. | OpenAI API changelog |
| 2024-06-21 | Anthropic timeline | Claude 3.5 Sonnet is released as the first model of the Claude 3.5 family, alongside a new Artifacts feature on claude.ai. The news page is dated June 21, 2024. | Anthropic: Introducing Claude 3.5 Sonnet |
| 2024-07-18 | OpenAI timeline | GPT-4o mini is released as a small, low-cost model. | OpenAI API changelog |
| 2024-08-13 | xAI timeline | Grok-2 and the smaller Grok-2 mini are released in beta on X, with API access promised later that month. | xAI: Grok-2 Beta Release |
| 2024-09-12 | OpenAI timeline | o1-preview and o1-mini launch, the first o-series models, trained with reinforcement learning to perform complex reasoning tasks. | OpenAI API changelog |
| 2024-09-24 | Google timeline | gemini-1.5-pro-002 and gemini-1.5-flash-002 are released as new stable versions for general availability. | Gemini API changelog |
| 2024-10-22 | Anthropic timeline | Anthropic ships an upgraded Claude 3.5 Sonnet, announces a new Claude 3.5 Haiku for release later that month, and puts “computer use”, where Claude operates a desktop through screenshots, mouse and keyboard, into public beta. | Anthropic: Computer use, Claude 3.5 Sonnet, and Claude 3.5 Haiku |
| 2024-12-11 | Google timeline | Gemini 2.0 Flash Experimental is released for public preview, which the changelog says is twice as fast as Gemini 1.5 Pro and adds the bidirectional Live API. | Gemini API changelog |
| 2024-12-19 | Google timeline | Gemini 2.0 Flash Thinking Mode is released for public preview, showing the model’s thought process as it answers. | Gemini API changelog |
Sources
Last checked 2026-10-22. Rows are assembled from the vendor timeline posts on this site. Those posts cite each lab’s own announcement. This index does not add dates that are not in those posts.
- OpenAI timeline
- Anthropic timeline
- Google timeline
- xAI timeline
- Meta timeline
- Google: Our next-generation model, Gemini 1.5
- Anthropic: Introducing the next generation of Claude
- xAI: Open release of Grok-1
- xAI: Announcing Grok-1.5
- Gemini API changelog
- OpenAI API changelog
- Anthropic: Introducing Claude 3.5 Sonnet
- xAI: Grok-2 Beta Release
- Anthropic: Computer use, Claude 3.5 Sonnet, and Claude 3.5 Haiku