SummitGovOnline

AI Release Timeline

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

2025

O

OpenAI o4 Mini

Model Release

OpenAI

OpenAI o4 Mini launched by OpenAI. Latest compact reasoning model with vision support.

O

OpenAI o3

Model Release

OpenAI

OpenAI o3 launched by OpenAI. Full o3 reasoning model with vision and tool use.

O

GPT-4.1

Model Release

OpenAI

GPT-4.1 launched by OpenAI. Next-gen GPT with 1M context and improved instruction following.

O

GPT-4.1 Mini

Model Release

OpenAI

GPT-4.1 Mini launched by OpenAI. Mini variant of GPT-4.1 for scalable deployments.

O

GPT-4.1 Nano

Model Release

OpenAI

GPT-4.1 Nano launched by OpenAI. Ultra-low-cost GPT-4.1 tier for classification and extraction.

O

OpenAI o3 Mini

Model Release

OpenAI

OpenAI o3 Mini launched by OpenAI. Efficient reasoning model in the o3 family.

AI Release Timeline | SummitGovOnline