Open Deep Research alternatives
6 agents tools in the same lane as Open Deep Research, ranked by editorial score.
GR
GPT Researcher
Agents · Model-agnostic (default GPT-4o; supports Anthropic Claude, Google Gemini, Groq, Ollama, and any LiteLLM-compatible provider)
Open-source autonomous deep-research agent with cited long-form reports
Free· Free and open-source (MIT License). Costs come only from your chosen LLM provider (OpenAI, Anthropic, Google, etc.) and retriever (Tavily, Bing, SerpAPI, DuckDuckGo is free).Autonomous deep research reportsMarket research briefs
WE
WebChatGPT
Agents · Multi-model
6.6
Browser extension that grafts live web search results onto ChatGPT (and Claude, Gemini) prompts.
Free· Freeweb-augmented-chatprompt-library
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
KH
Khoj
Agents · Multi-model
7.9
Open-source personal AI that builds agents, searches your documents, and automates research across local files and the web.
Freemium· Free self-hosted; paid cloud tier on app.khoj.devpersonal-knowledge-baseagent-building
GE
Genspark
Agents · Mixture-of-agents across ~9 LLMs including GPT-4.1, Claude, Gemini plus OpenAI Realtime API for voice
A no-code Super Agent that orchestrates 9 frontier LLMs and 150+ tools to research, build, and even make phone calls for you
Freemium· Basic: $10 · Pro: $25 · Enterprise: Contact salesautonomous deep-research reportsone-shot pitch deck generation
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