model deprecation

2 items

NEWSDEV.to AI·4/22/2026

claude-3-haiku-20240307 just started returning errors — here's what happened

Anthropic's claude-3-haiku-20240307 model was retired on April 20, 2024, causing immediate errors for code still calling it. Anthropic's deprecation policy means old model IDs stop resolving and there's no automatic fallback.

model deprecation Claude API Anthropic

NEWSDEV.to AI·4/23/2026

Opus 4.6 Is Gone from Claude Code: What Developers Should Do Now

Anthropic has silently removed Opus 4.6 from Claude Code, forcing developers to use Opus 4.7 and impacting workflows and costs. This move is part of Anthropic's pattern of model consolidation, quickly deprecating older versions after new releases.

model deprecation AI models Claude Anthropic