claude-3-5-sonnet

claude-3-5-sonnet (Vertex AI) was shut down on Feb 19, 2026; calls to it fail.

Provider

Vertex AI

Shutdown

Feb 19, 2026 (already shut down)

Announced

Aug 20, 2025

Replace with

no replacement named

Also written as

claude-3-5-sonnet-v1@20240620, claude-3-5-sonnet@20240620, publishers/anthropic/models/claude-3-5-sonnet, publishers/anthropic/models/claude-3-5-sonnet@20240620

• Google's partner-model deprecation page gives the family ID; the @YYYYMMDD versioned ID is from Anthropic's archived model table (Vertex column). No replacement named.
• Vertex date - differs from the Claude API (anthropic) date for the same model.

Source: https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/deprecations/partner-models · report a wrong date