What events are tracked on the AI timeline?

Model releases, API launches, pricing updates, context window increases, vision/audio support, function calling, reasoning models, benchmark milestones, and fine-tuning releases.

How often is the timeline updated?

Events are derived from SGO's centralized model dataset and update as new models are added.

AI Release Timeline

Track model launches, capability updates, pricing changes, and benchmark milestones across the AI industry.

2025

OpenAI o4 Mini

Reasoning Model

OpenAI

Apr 16, 2025

OpenAI o4 Mini introduces extended reasoning and chain-of-thought capabilities.

OpenAI o3

Reasoning Model

OpenAI

Apr 16, 2025

OpenAI o3 introduces extended reasoning and chain-of-thought capabilities.

OpenAI o3 Mini

Reasoning Model

OpenAI

Jan 31, 2025

OpenAI o3 Mini introduces extended reasoning and chain-of-thought capabilities.