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

API Release

OpenAI

Apr 16, 2025

API endpoint `o4-mini` available for OpenAI o4 Mini.

OpenAI o3

API Release

OpenAI

Apr 16, 2025

API endpoint `o3` available for OpenAI o3.

GPT-4.1

API Release

OpenAI

Apr 14, 2025

API endpoint `gpt-4.1` available for GPT-4.1.

GPT-4.1 Mini

API Release

OpenAI

Apr 14, 2025

API endpoint `gpt-4.1-mini` available for GPT-4.1 Mini.

GPT-4.1 Nano

API Release

OpenAI

Apr 14, 2025

API endpoint `gpt-4.1-nano` available for GPT-4.1 Nano.

OpenAI o3 Mini

API Release

OpenAI

Jan 31, 2025

API endpoint `o3-mini` available for OpenAI o3 Mini.