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Use this when you know the topic you need: Claude Code, MCP, evals, RAG, agents, product, coding, prompting, foundations, or model internals.

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Watch first when you want a fast feel for the topic before opening courses, docs, or profiles.

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OpenRouter

OpenRouter docs · Beginner to intermediate

Useful for learning model comparison, routing, fallback behavior, and API-compatible experimentation across proprietary and open model families.

Topics

Model routing, Model comparison, Auto Router, GPT models, Claude models, Gemini, Llama, Mistral, DeepSeek, Qwen, API examples, Evaluation

Learning paths

Frontier models and model selection

Builders choosing between Claude, GPT, Gemini, Llama, Mistral, Cohere, DeepSeek, Qwen, Grok, Perplexity, and hosted open models

Open path

Learn first

  • When to use Claude or GPT-class reasoning models for complex coding, analysis, and long-horizon agent work
  • How Gemini, Llama, Mistral, Cohere, DeepSeek, Qwen, Grok, and Perplexity differ by modality, openness, retrieval, coding, and price
  • Context windows, output limits, latency, pricing, tool support, and eval-based routing
  • How to migrate safely when frontier model versions change

Open next

Resources

OpenRouter models guide

Models guide · OpenRouter · Beginner to advanced

You need to compare many model families through one catalog before testing prompts across providers.

openrouter, model comparison, model routing, opus, claude

OpenRouter quickstart

API docs · OpenRouter · Beginner to intermediate

You want one API-compatible route for experimenting with several models, fallbacks, and latest aliases without rewriting your app.

openrouter, model routing, fallbacks, api examples, model selection

OpenRouter Auto Router

Guide · OpenRouter · Intermediate

You want OpenRouter to choose among paid models dynamically and need the official routing behavior, session stickiness, and control options.

openrouter, auto router, model selection, routing, fallbacks

OpenRouter models API

API reference · OpenRouter · Intermediate

You want a machine-readable way to inspect current models, filters, and metadata across providers.

openrouter, model catalog, api reference, model routing, model selection

OpenRouter provider routing

Guide · OpenRouter · Intermediate

You need to learn how OpenRouter routes across providers, handles fallbacks, and exposes preference controls before relying on it in production.

openrouter, provider routing, fallbacks, model selection, reliability