{ "title": "Abacus.AI Alternatives 2027: 11 Paid, Free & Open-Source", "url": "https://zekaiwork.com/alternatives/abacus-ai/", "summary": "The best Abacus.AI alternatives in 2027 are ChatGPT (best overall, $20/mo), Claude (best free plan) and LibreChat (best open source, MIT). Abacus.AI itself starts at $10/mo. Zekai checked these prices on vendor pages on 13 Nov 2026; 8 more are compared below, including 4 with a free plan and 4 open source.", "tool": { "name": "Abacus.AI", "starting_price": "$10/mo", "free_plan": "No", "price_checked": "2026-11-13", "pricing_url": "https://abacus.ai/pricing" }, "task": "AI chatbot / general assistant", "prices_checked": "2026-11-13", "date_modified": "2026-11-13", "alternatives": [ { "name": "ChatGPT", "type": "Free plan + paid", "starting_price": "$20/mo", "free_plan_limit": "Free: Instant mode with 27K-token context; image, voice, research limited", "best_for": "Mainstream assistant with the widest ecosystem", "difference": "ChatGPT is one vendor's model line with a free plan whose Instant mode has a 27K-token context window; Abacus ChatLLM bundles 100+ models from several vendors from $10 a month with no free plan.", "price_checked": "2026-11-13", "pricing_url": "https://help.openai.com/en/articles/6950777-what-is-chatgpt-plus", "website": "https://chatgpt.com/", "zekai_score": 9.3, "zekai_review": "https://zekaiwork.com/ai-tools/chatgpt/" }, { "name": "Claude", "type": "Free plan + paid", "starting_price": "$17/mo", "free_plan_limit": "Free: limited usage every 5 hours and every week", "best_for": "Long documents, writing and coding with Claude models", "difference": "Claude Pro includes Claude Code, Projects, Claude in Chrome and Microsoft 365 connectors, with usage windows reset every 5 hours; Abacus Basic meters 20,000 credits a month across all models.", "price_checked": "2026-11-13", "pricing_url": "https://claude.com/pricing", "website": "https://claude.ai/", "zekai_score": 9.4, "zekai_review": "https://zekaiwork.com/ai-tools/claude/" }, { "name": "Gemini", "type": "Free plan + paid", "starting_price": "$4.99/mo", "free_plan_limit": "Free: Flash-Lite model, Deep Research, 15 GB storage", "best_for": "Google-account assistant with cheap upgrade tiers", "difference": "Gemini's Google AI Plus is $4.99 a month with 400 GB of Google storage and double the free usage; Abacus Basic is $10 and has no storage bundle.", "price_checked": "2026-11-13", "pricing_url": "https://gemini.google/subscriptions/", "website": "https://gemini.google.com/", "zekai_score": 8.7, "zekai_review": "https://zekaiwork.com/ai-tools/gemini/" }, { "name": "Perplexity", "type": "Free plan + paid", "starting_price": "$17/mo", "free_plan_limit": "Free account exists; caps not shown on the Pro page", "best_for": "Cited research answers and deep research", "difference": "Perplexity Pro centres on cited search answers and deep research with a model selector, plus 4,000 bonus Computer credits; Abacus focuses on app, video and slide generation.", "price_checked": "2026-11-13", "pricing_url": "https://www.perplexity.ai/pro", "website": "https://www.perplexity.ai/", "zekai_score": 9.3, "zekai_review": "https://zekaiwork.com/ai-tools/perplexity/" }, { "name": "Mistral AI (Le Chat)", "type": "Free plan + paid", "starting_price": "$14.99/mo", "free_plan_limit": "Free: limited messages, web searches and coding sessions", "best_for": "European-built assistant with coding CLI", "difference": "Mistral's Pro plan includes $25.5 a month in API credits and a coding CLI, IDE and web agent; Team adds 30 GB per user, domain verification and data export.", "price_checked": "2026-11-13", "pricing_url": "https://mistral.ai/pricing", "website": "https://mistral.ai/", "zekai_score": 9.1, "zekai_review": "https://zekaiwork.com/ai-tools/mistral-ai/" }, { "name": "Poe", "type": "Free", "starting_price": "Free plan; paid price not published", "free_plan_limit": "Free access exists; limits not shown on the about page", "best_for": "Many AI bots and models in one app", "difference": "Poe offers models from OpenAI, Anthropic, Google, Meta, Mistral and Cohere plus community-made bots on iOS, Android, macOS, Windows and web; Abacus adds agents and app generation.", "price_checked": "2026-11-13", "pricing_url": "https://poe.com/about", "website": "https://poe.com/", "zekai_score": 8.6, "zekai_review": "https://zekaiwork.com/ai-tools/poe/" }, { "name": "LibreChat", "type": "Open source", "starting_price": "Free (self-hosted)", "free_plan_limit": "No limit (self-hosted)", "licence": "MIT", "best_for": "Multi-user ChatGPT-style chat on your server", "difference": "LibreChat connects Anthropic, AWS Bedrock, OpenAI, Azure OpenAI, Google and Vertex AI plus custom endpoints, with agents, MCP tools, OAuth2, LDAP and an admin panel for users and roles.", "website": "https://www.librechat.ai/", "repository": "https://github.com/LibreChat-AI/LibreChat", "zekai_open_source_page": "https://zekaiwork.com/free-open-source/librechat/", "commercial_use": "Yes (MIT).", "runs_on": "Docker Compose on any server; you supply provider API keys or Ollama.", "setup": "moderate: Docker Compose, .env file and your own provider API keys.", "github_stars": 46600, "stars_checked": "2026-11-13", "last_commit": "2026-11-13", "zekai_score": 7.7, "zekai_review": "https://zekaiwork.com/free-open-source/librechat/" }, { "name": "Open WebUI", "type": "Open source", "starting_price": "Free (self-hosted)", "free_plan_limit": "No limit (self-hosted)", "licence": "Open WebUI License (BSD-style with a branding clause) (not OSI-approved)", "best_for": "Self-hosted chat for Ollama and OpenAI APIs", "difference": "Open WebUI works with Ollama and OpenAI-compatible APIs, adds RAG across vector databases, role-based access, LDAP/SSO, voice and video calls, plus tool servers over MCP and OpenAPI.", "website": "https://openwebui.com/", "repository": "https://github.com/open-webui/open-webui", "commercial_use": "Yes, but keep the branding unless you have 50 or fewer users.", "runs_on": "Docker or Python 3.12; optional NVIDIA CUDA image for local models.", "setup": "moderate: One Docker command or pip install; Ollama optional for local models.", "github_stars": 157500, "stars_checked": "2026-11-13", "last_commit": "2026-08-25", "zekai_score": 9, "zekai_review": "https://zekaiwork.com/ai-tools/open-webui/" }, { "name": "LobeHub", "type": "Open source", "starting_price": "Free (self-hosted)", "free_plan_limit": "No limit (self-hosted)", "licence": "LobeHub Community License (Apache-2.0-based) (not OSI-approved)", "best_for": "Agent-team chat workspace you can host", "difference": "LobeHub combines an Agent Builder, agent groups with shared pages, scheduled runs, personal memory and a library of over 10,000 tools and MCP-compatible plugins.", "website": "https://github.com/lobehub/lobehub", "repository": "https://github.com/lobehub/lobehub", "commercial_use": "Yes if unmodified; derivative works need a commercial licence from LobeHub.", "runs_on": "Docker, or a Vercel-style deploy with an OpenAI API key.", "setup": "moderate: Run the setup script, then docker compose up -d.", "github_stars": 83600, "stars_checked": "2026-11-13", "last_commit": "2026-11-13", "zekai_score": 7, "zekai_review": "https://zekaiwork.com/ai-tools/lobehub/" }, { "name": "AnythingLLM", "type": "Open source", "starting_price": "Free (self-hosted)", "free_plan_limit": "No limit (self-hosted)", "licence": "MIT", "best_for": "Private document chat on your own machine", "difference": "AnythingLLM ships a desktop app and a Docker version, a built-in local engine for CPU or GPU, an agent builder, MCP support and LanceDB as the default vector database.", "website": "https://anythingllm.com/", "repository": "https://github.com/Mintplex-Labs/anything-llm", "zekai_open_source_page": "https://zekaiwork.com/free-open-source/anythingllm/", "commercial_use": "Yes (MIT).", "runs_on": "Desktop app for Mac, Windows, Linux; Docker for multi-user.", "setup": "easy: Download the desktop app; Docker only for multi-user mode.", "github_stars": 67500, "stars_checked": "2026-11-13", "last_commit": "2026-10-23", "zekai_score": 8.6, "zekai_review": "https://zekaiwork.com/free-open-source/anythingllm/" }, { "name": "Jan", "type": "Open source", "starting_price": "Free (self-hosted)", "free_plan_limit": "No limit (self-hosted)", "licence": "Apache-2.0", "best_for": "Offline local models with an OpenAI-compatible API", "difference": "Jan runs open models from Hugging Face locally, connects to OpenAI, Anthropic, Mistral and Groq, and serves an OpenAI-compatible local API at localhost:1337 with MCP support.", "website": "https://github.com/janhq/jan", "repository": "https://github.com/janhq/jan", "zekai_open_source_page": "https://zekaiwork.com/free-open-source/jan/", "commercial_use": "Yes (Apache-2.0).", "runs_on": "macOS 13.6+, Windows 10+, Linux; 8 GB RAM for 3B models.", "setup": "easy: Install the desktop app and download a model.", "github_stars": 45100, "stars_checked": "2026-11-13", "last_commit": "2026-08-29", "zekai_score": 8.2, "zekai_review": "https://zekaiwork.com/free-open-source/jan/" } ], "faq": [ { "q": "What is the best alternative to Abacus.AI in 2027?", "a": "ChatGPT is the best overall Abacus.AI alternative on this page ($20/mo). For no cost, Claude has a free plan (Free: limited usage every 5 hours and every week). To self-host, LibreChat is open source (MIT)." }, { "q": "Is there a free version of Abacus.AI?", "a": "No. Abacus.AI has no free plan; paid plans start at $10/mo, checked on 13 Nov 2026." }, { "q": "Is there a 100% free alternative to Abacus.AI?", "a": "Yes. LibreChat, Open WebUI, LobeHub, AnythingLLM, Jan are open source and free to self-host. ChatGPT, Claude, Gemini, Perplexity, Mistral AI (Le Chat), Poe have a free plan with limits, shown in the table." }, { "q": "What is cheaper than Abacus.AI?", "a": "Gemini starts at $4.99/mo, against $10/mo for Abacus.AI, as listed on each vendor's pricing page on 13 Nov 2026." }, { "q": "How much do Abacus.AI alternatives cost for a team of 5?", "a": "If each of 5 people buys the entry paid plan, at the prices Zekai checked on 13 Nov 2026, the monthly cost is Gemini $24.95/mo, Mistral AI (Le Chat) $74.95/mo, Claude $85/mo, against Abacus.AI $50/mo for Abacus.AI. Team and business plans can cost more per seat. The Zekai Cost Finder on this page recalculates for any team size." }, { "q": "Which is better, ChatGPT or Abacus.AI?", "a": "ChatGPT is one vendor's model line with a free plan whose Instant mode has a 27K-token context window; Abacus ChatLLM bundles 100+ models from several vendors from $10 a month with no free plan. Choose ChatGPT if you want one vendor's assistant with a free tier and voice, image and research features in a single app. Stay with Abacus.AI if you want Claude, Gemini, DeepSeek and Grok models side by side for $10 a month instead of $20." }, { "q": "Why are people leaving Abacus.AI?", "a": "The documented reasons are: ChatLLM Basic limits you to 3 AI Agent conversations a month and 20,000 credits; unrestricted Agent and Coding Agent use needs Pro at $20 a month with 30,000 credits (13 Nov 2026); The $7 first-month price is a discount: the page states the plan is $10 from the second month, and no free plan is listed (13 Nov 2026). Each is sourced in the section above." }, { "q": "What are the best Abacus AI alternatives?", "a": "ChatGPT, Claude, Gemini and Perplexity are the main hosted choices. For one place to try many models, Poe is closest; for self-hosting, LibreChat, Open WebUI and Jan are common." } ], "publisher": "Zekai (zekaiwork.com) — independently reviewed; prices read on vendor pages on the dates shown.", "licence": "Free to quote with a link to https://zekaiwork.com/alternatives/abacus-ai/. Bulk copying or republishing the dataset is not permitted." }