How to use GLM-5.2 in Claude Code via Vercel AI Gateway
If you wanted to try out GLM 5.2 model but which is hosted on US region, then Vercel AI Gateway might be a good choice.
You can pretty easily use any model from Vercel AI gateway via Claude Code as well.
In our case, we’ll be using GLM 5.2
export ANTHROPIC_BASE_URL="https://ai-gateway.vercel.sh"
export ANTHROPIC_AUTH_TOKEN="your-ai-gateway-api-key"
# You need to set ANTHROPIC_API_KEY as empty
export ANTHROPIC_API_KEY=""
export ANTHROPIC_DEFAULT_SONNET_MODEL="zai/glm-5.2"
export ANTHROPIC_DEFAULT_OPUS_MODEL="zai/glm-5.2"
export ANTHROPIC_DEFAULT_HAIKU_MODEL="zai/glm-5-turbo"