Hermes Agent alternatives
6 agents tools in the same lane as Hermes Agent, ranked by editorial score.
HO
Hermes One
Agents · Multi-model (BYO via OpenRouter/OpenAI/Anthropic/Gemini/xAI/Ollama)
7.2
Open-source desktop AI agent with a self-improving learning loop and multi-platform messaging connectors.
Free· Free, MIT-licensed; you pay your own model inference costsautonomous-agentschat-ops
AS
AstrBot
Agents · Multi-model (OpenAI, Anthropic, Gemini, DeepSeek, Ollama, Dify, Coze)
7.3
Open-source agentic AI assistant that bridges chat platforms like Telegram, Discord, and QQ with any LLM and a 1000+ plugin ecosystem.
Free· Free, open-source (AGPL-3.0); self-hosted, you pay your own LLM API costs.chatbotgroup-chat-assistant
CA
Caspian AI
Agents
One integration to give any AI agent a phone number, inbox, and presence across every major messaging channel.
Freemium· Pricing tiers referenced on the site but specific dollar amounts are not published; contact sales for production usage.Cross-channel customer support agentOutbound sales SDR across email and WhatsApp
GB
GPT Builder
Agents · OpenAI GPT-4o / GPT-5 (plan-dependent)
6.9
OpenAI's no-code editor for spinning up custom ChatGPT agents with instructions, knowledge files, and tool calls.
Paid· Basic: $10 · Standard: $20 · Premium: $30custom-chatbotsinternal-assistants
AG
AgentGPT
Agents · GPT-3.5 (BYO key for others)
6.9
Browser-based autonomous AI agent builder that chains GPT calls toward a goal you define.
Freemium· Free tier with limited monthly runs; paid plans for higher usageautonomous-agentstask-automation
CO
Composio
Agents · Model-agnostic (works with Claude, GPT-4o, Gemini, Llama, and other frontier and open-weights models via SDK integrations)
Auth, tools, and sandboxed execution for AI agents across 1,000+ apps
Freemium· Totally Free: $0 · Ridiculously Cheap: $29 · Serious Business: $229Customer support agent triaging Gmail and filing Linear ticketsSales agent updating HubSpot and posting to Slack