A
Claude Sonnet 4.5
Function Calling
Anthropic
Claude Sonnet 4.5 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
A
Claude Opus 4.1
Function Calling
Anthropic
Claude Opus 4.1 supports function calling and structured tool use.
2025
A
Claude 4 Sonnet
Function Calling
Anthropic
Claude 4 Sonnet supports function calling and structured tool use.
A
Claude 4 Opus
Function Calling
Anthropic
Claude 4 Opus supports function calling and structured tool use.
A
Claude 4 Haiku
Function Calling
Anthropic
Claude 4 Haiku supports function calling and structured tool use.
A
Claude 3.7 Sonnet
Function Calling
Anthropic
Claude 3.7 Sonnet supports function calling and structured tool use.
2024
A
Claude 3.5 Haiku
Function Calling
Anthropic
Claude 3.5 Haiku supports function calling and structured tool use.
A
Claude 3.5 Sonnet
Function Calling
Anthropic
Claude 3.5 Sonnet supports function calling and structured tool use.
A
Claude 3 Opus
Function Calling
Anthropic
Claude 3 Opus supports function calling and structured tool use.