DeepSeek

cecli 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 cecli’s code editing benchmark.

First, install cecli:

python -m pip install cecli-dev

Then configure your API keys:

export DEEPSEEK_API_KEY=<key> # Mac/Linux
setx   DEEPSEEK_API_KEY <key> # Windows, restart shell after setx

Start working with cecli and DeepSeek on your codebase:

# Change directory into your codebase
cd /to/your/project

# Use DeepSeek Chat v3
cecli --model deepseek/deepseek-chat