O
GPT-5
Reasoning Model
OpenAI
GPT-5 introduces extended reasoning and chain-of-thought capabilities.
AI Release Timeline
Track model launches, capability updates, pricing changes, and benchmark milestones across the AI industry.
2026
O
GPT-5 Mini
Reasoning Model
OpenAI
GPT-5 Mini introduces extended reasoning and chain-of-thought capabilities.
2025
O
OpenAI o4 Mini
Reasoning Model
OpenAI
OpenAI o4 Mini introduces extended reasoning and chain-of-thought capabilities.
O
OpenAI o3
Reasoning Model
OpenAI
OpenAI o3 introduces extended reasoning and chain-of-thought capabilities.
O
OpenAI o3 Mini
Reasoning Model
OpenAI
OpenAI o3 Mini introduces extended reasoning and chain-of-thought capabilities.
2024
O
OpenAI o1
Reasoning Model
OpenAI
OpenAI o1 introduces extended reasoning and chain-of-thought capabilities.