Supercharge Your Coding with Trae + OpenRouter: Free Access to Powerful AI Models

What is Trae?

Trae (/treɪ/) is your helpful coding partner. It offers features like AI Q&A, code auto-completion, and agent-based AI programming capabilities. When developing projects with Trae, you can collaborate with AI to enhance your development efficiency.​

What is OpenRouter?

OpenRouter provides a unified API that gives you access to hundreds of AI models through a single endpoint, while automatically handling fallbacks and selecting the most cost-effective options. Get started with just a few lines of code using your preferred SDK or framework.

With OpenRouter, we can access the most powerful AI available today for free, with no extra costs, no need for self-hosting, and no requirement for a powerful PC.

Why Combine Trae + OpenRouter?

By integrating OpenRouter into Trae, you unlock access to cutting-edge AI models directly in your code editor—for free. No overhead, just productivity.

Step-by-Step: Use OpenRouter in Trae

• Open Trae, then click on the AI Model Selection button at the bottom-right corner.

• Click + Add Model.

• In the modal:

  • Choose OpenRouter from the provider dropdown.

  • Select Other models in the second dropdown.

• Now fill in:

  • Model ID (choose one below).

  • API Key (generate one here).

Recommended Free Models

You can use any model labeled as free on OpenRouter Models or Rankings. Here are a few top picks:

🧠 Gemini 2.0 Flash Thinking Experimental

ID: google/gemini-2.0-flash-thinking-exp:free An experimental version of Gemini 2.0 Flash with enhanced reasoning and "thinking process" generation.

🚀 Gemini 2.5 Pro

ID: google/gemini-2.5-pro-exp-03-25:free
Google’s most advanced AI—excels at coding, reasoning, scientific queries, and ranked #1 on the LMArena leaderboard.

🧩 Llama-3.1-Nemotron-Ultra-253B-v1

ID: nvidia/llama-3.1-nemotron-ultra-253b-v1:free
Optimized for reasoning, RAG, and tool use. Designed for large-context, low-latency inference.

Note: Add detailed reasoning instructions in the system prompt to unlock full capabilities.

📊 Qwen2.5-VL

ID: qwen/qwen2.5-vl-72b-instruct:free
Great for visual tasks—recognizes objects, charts, graphics, and layouts within images.

Conclusion

By connecting Trae with OpenRouter, you bring the world’s best free AI models into your editor. Whether you’re coding, debugging, or experimenting, this integration levels up your development flow—without extra cost or complexity.