--provider <provider>
Force a provider: auto, openrouter, nous, openai-codex (aliases chatgpt, chatgpt-codex), copilot-acp, copilot, anthropic, gemini, huggingface, novita (aliases novita-ai, novitaai), openai-api, zai, kimi-coding, kimi-coding-cn, minimax, minimax-cn, minimax-oauth, kilocode, xiaomi, arcee, gmi, upstage (alias solar), alibaba, alibaba-cn, alibaba-coding-plan (alias alibaba_coding), alibaba-coding-plan-cn, alibaba-token-plan, alibaba-token-plan-cn, deepseek, nvidia, ollama-cloud, xai (alias grok), xai-oauth (alias grok-oauth), qwen-oauth, bedrock, opencode-zen, opencode-go, commandcode, commandcode-anthropic, ai-gateway, azure-foundry, lmstudio, stepfun, tencent-tokenhub (alias tencent, tokenhub), router (aliases ramp-router, ramp), nebius-token-factory (aliases nebius, nebius-tf, tokenfactory), tencent-tokenplan (aliases tokenplan, tencent-lkeap).
From the official Hermes Agent CLI reference.
--provider <provider>