What Happened
Anthropic released Claude Haiku 4.5 as its latest small model, emphasizing speed and cost efficiency while maintaining strong performance for practical workloads.
Why It Matters
Haiku-style releases matter for real adoption: they often become the default “agent swarm” or sub-agent model that makes long workflows economically viable.
Technical Details
- Model ID (API):
claude-haiku-4-5(per announcement) - Theme: Speed/cost efficiency paired with modern agentic usability