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.

2026

Grok 4

API Release

xAI

Apr 9, 2026

API endpoint `grok-4` available for Grok 4.

2025

Grok 3

API Release

xAI

Feb 17, 2025

API endpoint `grok-3` available for Grok 3.

Grok 3 Mini

API Release

xAI

Feb 17, 2025

API endpoint `grok-3-mini` available for Grok 3 Mini.

2024

Grok 2

API Release

xAI

Aug 13, 2024

API endpoint `grok-2` available for Grok 2.