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Skillintermediate
DeepSeek
Aider can connect to the DeepSeek.com API. To work with DeepSeek's models, you need to set the `DEEPSEEK_API_KEY` environment variable with your [DeepSeek API key](https://platform.deepseek.com/api_keys). The DeepSeek Chat V3 model has a top score on aider's code editing benchmark.
Claude Code Knowledge Pack7/10/2026
Overview
DeepSeek
Aider can connect to the DeepSeek.com API.
To work with DeepSeek's models, you need to set the DEEPSEEK_API_KEY environment variable with your DeepSeek API key.
The DeepSeek Chat V3 model has a top score on aider's code editing benchmark.
First, install aider:
{% include install.md %}
Then configure your API keys:
setx DEEPSEEK_API_KEY <key> # Windows, restart shell after setx
Start working with aider and DeepSeek on your codebase:
# Change directory into your codebase
cd /to/your/project
# Use DeepSeek Chat v3
aider --model deepseek/deepseek-chat