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Klein Update v3.8: Feature Summary

Key Concepts:

• Add to Klein: Right-click context menu option to add selected text to the current task.
• Fix with Klein: Code action to send problematic code and error messages to Klein for fixing.
• Account View: Display of billing and usage history within the Klein extension.
• Sort Underlying Provider Routing: Setting to prioritize Open Router providers based on throughput, price, latency, or default.
• MCP Display: Improved display of images and GIFs in multimodal completions.
• Disk Space Usage: Display of total disk space used by Klein in the history view.
• Open Router: A service that allows access to multiple AI models through a single API.
• Ninja Chat: An all-in-one AI platform offering access to various AI models.

1. Core Feature Enhancements

• Add to Klein: This new feature allows users to select text (code, error messages, etc.) in their editor or terminal, right-click, and choose "Add to Klein" to directly add the selected content to the current task's context. This eliminates the need for copy-pasting and manual addition, streamlining the workflow.
• Fix with Klein: When an error is detected in the code (indicated by a light bulb icon), users can now select "Fix with Klein" from the code actions menu (or via cmd + . in Cursor). This sends the problematic code and associated error messages to Klein, which then suggests a fix. This feature automates the process of error resolution.

2. Account Management and Billing

• Account View: A new "Account" section has been added to the Klein panel, providing users with a direct view of their billing and usage history. This includes credit balance, transaction history, and usage details, allowing for better tracking and management of credits without leaving the extension.

3. Open Router Integration Improvements

• Sort Underlying Provider Routing: A new setting in the Klein Open Router section allows users to prioritize which provider is used based on throughput, price, latency, or a default combination of price and uptime. This enables users to optimize for speed or cost depending on their needs. The presenter specifically mentions its usefulness with Claude, ensuring continued connectivity even if one provider goes down.
• Context Window Error Fix: The "context window exceeded" error for Open Router client accounts has been resolved.
• Invalid Model ID Fix: A bug where the Open Router model ID would be set to an invalid value has been fixed.

4. User Interface and Experience

• Improved MCP Display: The multimodal completion (MCP) display has been enhanced with dynamic image loading and support for GIFs, improving the visual presentation of AI-generated content.
• Documentation Access: A new "Documentation" menu item provides easy access to Klein's documentation, including tools guides, prompting guides, and an instruction library.
• Disk Space Usage Display: The history view now displays the total disk space used by Klein next to the "Delete All Tasks" button, allowing users to assess the storage impact before clearing their history.
• Failed MCP Server Deletion: A button has been added to delete MCP servers that are in a failure state, simplifying maintenance and troubleshooting.

5. Ninja Chat Promotion

• The video promotes Ninja Chat, an AI platform offering access to models like GPT-4o, Claude 3.7 Sonnet, and Gemini 2.0 Flash for $11 per month.
• Features highlighted include the AI playground for comparing model responses and a mind map generator.
• The presenter offers discount codes "king25" for 25% off any plan and "king40yearly" for 40% off annual subscriptions.

6. Free API Options

• The presenter mentions using several free APIs, including:
  • Sambanova models
  • Pastemax with Groq 3
  • Claude 3.5 Sonnet via GitHub Copilot Models API
  • Fi for local models

7. Conclusion

The Klein v3.8 update introduces several features and improvements that enhance the user experience and streamline the coding workflow. Key additions include the "Add to Klein" and "Fix with Klein" features, improved account management, and enhanced Open Router integration. These updates make Klein an even more powerful and user-friendly tool for developers.