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docs/llms.md

@@ -9,7 +9,8 @@ Aider also works quite well with [GPT-3.5](#openai).
 
 To use aider with a *free* API provider, you can use [Groq's Llama 3 70B](#llama3)
 which is comparable to GPT-3.5 in code editing performance.
-Cohere also offers free API access to their [Command-R+ model](#cohere), which works with aider
+Cohere also offers free API access to their [Command-R+ model](#cohere),
+which works with aider
 as a *very basic* coding assistant.
 
 Aider supports connecting to almost any LLM,
@@ -25,6 +26,7 @@ So you should expect that models which are less capable than GPT-3.5 may struggl
 - [Llama3](#groq)
 - [Cohere](#cohere)
 - [Azure](#azure)
+- [OpenRouter](#openrouter)
 - [OpenAI compatible APIs](#openai-compatible-apis)
 - [Other LLMs](#other-llms)
 - [Editing format](#editing-format)
@@ -118,6 +120,20 @@ export AZURE_API_BASE=https://example-endpoint.openai.azure.com
 aider --model azure/<your_deployment_name>
 ```
 
+## OpenRouter
+
+Aider can connect to models provided by OpenRouter:
+
+```
+export OPENROUTER_API_KEY=<your-key-goes-here>
+
+# Llama3 70B instruct
+aider --model openrouter/meta-llama/llama-3-70b-instruct
+
+# Or any other open router model
+aider --model openrouter/<provider>/<model>
+```
+
 ## OpenAI compatible APIs
 
 If your LLM is accessible via an OpenAI compatible API endpoint,
@@ -129,6 +145,7 @@ For unknown models, aider won't have normal metadata available like
 the context window size, token costs, etc.
 Some minor functionality will be limited when using such models.
 
+
 ## Other LLMs
 
 Aider uses the [litellm](https://docs.litellm.ai/docs/providers) package