O
GPT-5
Function Calling
OpenAI
GPT-5 supports function calling and structured tool use.
AI Release Timeline
Track model launches, capability updates, pricing changes, and benchmark milestones across the AI industry.
2026
O
GPT-5 Mini
Function Calling
OpenAI
GPT-5 Mini supports function calling and structured tool use.
2025
O
OpenAI o4 Mini
Function Calling
OpenAI
OpenAI o4 Mini supports function calling and structured tool use.
O
OpenAI o3
Function Calling
OpenAI
OpenAI o3 supports function calling and structured tool use.
O
GPT-4.1
Function Calling
OpenAI
GPT-4.1 supports function calling and structured tool use.
O
GPT-4.1 Mini
Function Calling
OpenAI
GPT-4.1 Mini supports function calling and structured tool use.
O
GPT-4.1 Nano
Function Calling
OpenAI
GPT-4.1 Nano supports function calling and structured tool use.
O
OpenAI o3 Mini
Function Calling
OpenAI
OpenAI o3 Mini supports function calling and structured tool use.
2024
O
OpenAI o1
Function Calling
OpenAI
OpenAI o1 supports function calling and structured tool use.
O
GPT-4o Mini
Function Calling
OpenAI
GPT-4o Mini supports function calling and structured tool use.
O
GPT-4o
Function Calling
OpenAI
GPT-4o supports function calling and structured tool use.