Claude 5.5 Haiku Now Available in OpenCode and Written in Go

Key Info

Claude 5.5 Haiku is now available in OpenCode, implemented in Go as the author's first Claude model written in that language.

Highlights

• Claude 5.5 Haiku model now usable within OpenCode
• First Claude model integration written in Go by the author
• Build on OpenCode's ongoing agent-driven development workflow