O
GPT-5
API Release
OpenAI
API endpoint `gpt-5` available for GPT-5.
AI Release Timeline
Track model launches, capability updates, pricing changes, and benchmark milestones across the AI industry.
2026
O
GPT-5 Mini
API Release
OpenAI
API endpoint `gpt-5-mini` available for GPT-5 Mini.
2025
O
OpenAI o4 Mini
API Release
OpenAI
API endpoint `o4-mini` available for OpenAI o4 Mini.
O
OpenAI o3
API Release
OpenAI
API endpoint `o3` available for OpenAI o3.
O
GPT-4.1
API Release
OpenAI
API endpoint `gpt-4.1` available for GPT-4.1.
O
GPT-4.1 Mini
API Release
OpenAI
API endpoint `gpt-4.1-mini` available for GPT-4.1 Mini.
O
GPT-4.1 Nano
API Release
OpenAI
API endpoint `gpt-4.1-nano` available for GPT-4.1 Nano.
O
OpenAI o3 Mini
API Release
OpenAI
API endpoint `o3-mini` available for OpenAI o3 Mini.
2024
O
OpenAI o1
API Release
OpenAI
API endpoint `o1` available for OpenAI o1.
O
GPT-4o Mini
API Release
OpenAI
API endpoint `gpt-4o-mini` available for GPT-4o Mini.
O
GPT-4o
API Release
OpenAI
API endpoint `gpt-4o` available for GPT-4o.