### Changed
- Updated default model for `anthropic` provider to `claude-opus-4-6`
- Updated default model for `openai-codex` provider to `gpt-5.3-codex`
- Updated default model for `amazon-bedrock` provider to `us.anthropic.claude-opus-4-6-v1:0`
- Updated default model for `vercel-ai-gateway` provider to `anthropic/claude-opus-4-6`
- Updated default model for `opencode` provider to `claude-opus-4-6`