🚨 Claude 3.5 Sonnet retirement + 3.7 deprecation (Oct 28)#417
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Major model lifecycle updates: - 🚨 RETIRED: Claude 3.5 Sonnet models (both June & Oct variants) -⚠️ DEPRECATED: Claude 3.7 Sonnet (retires Feb 19, 2026) - Updated pricing tables, documentation, and tool references - Removed deprecated environment variables - Updated MCP server endpoints 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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Summary
Key Changes
Impact
Developers using Claude 3.5 Sonnet models will receive errors immediately. Migration to Claude 4.5 Sonnet recommended.
🤖 Generated with Claude Code