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Alternatives · 2026

Best Anthropic Alternatives in 2026

24 alternatives · 18 with a free plan · Updated

What are the best Anthropic alternatives?

The best Anthropic alternatives for AI Agent in 2026 are DeepSeek (AI company offering open-source large language models and APIs…, free), Ninja AI (AI assistant, free) and DeepSeek Nederlands (free online AI chatbot for writing, free). 18 of the 24 listed alternatives have a free or freemium plan.

Looking for something other than Anthropic? Below are 24 alternatives in AI Agent, AI API and AI Assistant, all closely matched, ranked by how much they overlap with Anthropic. Anthropic itself is paid. Each entry shows what the tool does, what it shares with Anthropic, its key features and pricing.

What is Anthropic?

7 Sonnet able to show its reasoning step by step. Claude is an AI assistant and chatbot from Anthropic, the AI safety and research company, and it is also sold as an AI API for developers who want to build it into their own products. It covers writing, coding, translation, customer service and general office work.

Pricing
Paid

Key features of Anthropic

  • Minimum 5 members

Anthropic alternatives compared

Top 5 alternatives to Anthropic with pricing and overlap
ToolPricingShared with AnthropicMatch
AnthropicPaid—Original
DeepSeekFreeAI API, AI Assistant, AI Chatbot, AI Code Generator, AI TranslateStrong match
Ninja AIFreeAI Agent, AI Assistant, AI Code Generator, AI ModelsStrong match
DeepSeek NederlandsFreeAI API, AI Assistant, AI Chatbot, AI Code Generator, AI Models, AI TranslateStrong match
ZeusEnterpriseAI Agent, AI API, AI Chatbot, AI Customer ServiceStrong match
LimeblockPaidAI Agent, AI API, AI Assistant, AI ChatbotStrong match

Top 24 alternatives to Anthropic

  1. #1
    DeepSeek logo

    DeepSeek

    Strong matchFree

    DeepSeek is an AI company offering open-source large language models and APIs for developers building AI coding, writing and chatbot apps.

    In common with Anthropic: AI API, AI Assistant, AI Chatbot, AI Code Generator, AI Translate

    Pricing: free

  2. #2
    Ninja AI logo

    Ninja AI

    Strong matchFree

    Ninja AI is an AI assistant that gives you access to 24+ large language models for writing, research, coding, and image generation in one place.

    In common with Anthropic: AI Agent, AI Assistant, AI Code Generator, AI Models

    • Access to 24+ leading LLMs under one platform
    • Offers a variety of AI tools for different tasks
    • Unlimited tasks available with paid plans

    Pricing: free

  3. #3
    DeepSeek Nederlands logo

    DeepSeek Nederlands

    Strong matchFree

    Free online AI chatbot for writing, coding, math and translation, built on the DeepSeek-V3 language model, with no sign-up needed.

    In common with Anthropic: AI API, AI Assistant, AI Chatbot, AI Code Generator, AI Models, AI Translate

    Pricing: free

  4. #4
    Z

    Zeus

    Strong matchEnterprise

    Zeus is a platform for building text and voice AI agents, connecting them to 40+ apps, and deploying them quickly with enterprise security controls.

    In common with Anthropic: AI Agent, AI API, AI Chatbot, AI Customer Service

    • It offers enterprise-grade security

    Pricing: custom quote

  5. #5
    Limeblock logo

    Limeblock

    Strong matchPaid

    Limeblock is an AI chatbot widget that lets website visitors trigger in-app actions, API requests, and page navigation from a chat window.

    In common with Anthropic: AI Agent, AI API, AI Assistant, AI Chatbot

    • AI chatbot widget for in-app actions
    • API requests

    Pricing: paid, from $19

  6. #6
    FastBots.ai logo

    FastBots.ai

    Strong matchFree

    FastBots.ai is a custom AI chatbot builder for 24/7 customer support and AI agents, trained on content from your own website.

    In common with Anthropic: AI Agent, AI API, AI Assistant, AI Chatbot, AI Customer Service, AI Translate

    • Custom AI chatbot builder for 24/7 customer support and AI agents

    Pricing: free

  7. #7
    Serviceaide logo

    Serviceaide

    Strong matchFree

    Serviceaide is an IT service management platform that automates manual IT processes and adds self-service options for end users.

    In common with Anthropic: AI Agent, AI Assistant, AI Chatbot, AI Customer Service

    • AI-powered solutions for enhanced efficiency
    • Comprehensive platform for managing IT infrastructure
    • Automation of manual processes

    Pricing: free

  8. #8
    Claw Buff logo

    Claw Buff

    Strong matchFree

    Claw Buff is a managed AI agent hosting platform for OpenClaw bots, launching agents in under 30 seconds with usage monitoring and budget controls.

    In common with Anthropic: AI Agent, AI API, AI Assistant, AI Chatbot, AI Customer Service

    • Managed hosting platform to deploy and manage OpenClaw AI agents in 30 seconds

    Pricing: free

  9. #9
    L

    LM-Kit.NET

    Strong matchFree

    LM-Kit.NET is a .NET SDK that lets C# and VB.NET developers add LLM text generation, translation and AI agents to apps.

    In common with Anthropic: AI Agent, AI API, AI Chatbot, AI Translate

    • NET is a
    • NET SDK for LLMs

    Pricing: free

  10. #10
    Botco.ai logo

    Botco.ai

    Strong matchEnterprise

    Botco.ai is an enterprise AI chatbot platform for customer engagement and business analytics, with a no-code builder for creating bots.

    In common with Anthropic: AI Agent, AI API, AI Assistant, AI Chatbot, AI Customer Service

    • Enhances customer engagement with conversational AI
    • Provides actionable insights through analytics
    • Offers a no-code platform for easy chatbot creation

    Pricing: custom quote

  11. #11
    Superflows logo

    Superflows

    Strong matchFreemium

    AI assistant for email and SaaS products that drafts AI-powered replies and handles user support questions from your own API and docs.

    In common with Anthropic: AI Agent, AI API, AI Assistant, AI Chatbot

    • AI assistant for email and SaaS products

    Pricing: free plan, paid plans from $999

  12. #12
    AINIRO.IO logo

    AINIRO.IO

    Strong matchFree

    AINIRO.IO is a no-code AI platform for building custom AI chatbots and agents from your website content and documents.

    In common with Anthropic: AI Agent, AI API, AI Chatbot, AI Code Generator, AI Customer Service

    • No-code AI platform for creating custom AI chatbots and agents

    Pricing: free

  13. #13
    LlamaIndex logo

    LlamaIndex

    Strong matchFree

    Developer framework for building RAG applications and knowledge assistants that connect large language models to your own documents and data.

    In common with Anthropic: AI Agent, AI API, AI Assistant, AI Chatbot

    • Flexibility to quickly prototype and deploy production-ready RAG applications
    • State-of-the-art document parsing capabilities
    • Active community support and responsiveness of the LlamaIndex team

    Pricing: free

  14. #14
    OnDemand logo

    OnDemand

    Strong matchFree

    OnDemand is an AI platform for developers to integrate AI agents, RAG-based AI and workflows into existing systems, with predefined models.

    In common with Anthropic: AI Agent, AI API, AI Chatbot, AI Customer Service, AI Models

    Pricing: free

  15. #15
    CamoCopy logo

    CamoCopy

    Strong matchFree

    Privacy-focused AI chatbot and search engine that lets you use GPT-4, Claude Sonnet and Llama models in one place.

    In common with Anthropic: AI API, AI Assistant, AI Chatbot, AI Translate

    Pricing: free

  16. #16
    EZAI logo

    EZAI

    Strong matchFree

    EZAI is a customizable AI assistant suite that automates business workflows and adds AI to existing sites and apps for enterprise teams.

    In common with Anthropic: AI API, AI Assistant, AI Chatbot, AI Customer Service, AI Models

    • Based on Requirements

    Pricing: free

  17. #17
    LiveChatAI logo

    LiveChatAI

    Strong matchFreemium

    Trained on your own data, LiveChatAI is an AI chatbot platform for customer support, with a free plan available.

    In common with Anthropic: AI Agent, AI API, AI Assistant, AI Chatbot, AI Customer Service

    • AI chatbot platform for customer support

    Pricing: free plan, paid plans from $39

  18. #18
    Qwen AI logo

    Qwen AI

    Strong matchFree

    Qwen AI is a large language model from Alibaba Cloud for text generation, code writing, and image recognition tasks.

    In common with Anthropic: AI API, AI Assistant, AI Chatbot, AI Code Generator, AI Models

    Pricing: free

  19. #19
    ChatBuild AI logo

    ChatBuild AI

    Strong matchPaid

    Create and customize an AI chatbot widget for your website with ChatBuild AI, a no-code chatbot builder with live chat on paid plans.

    In common with Anthropic: AI Agent, AI API, AI Assistant, AI Chatbot, AI Customer Service

    • Platform to create and customize AI chatbot widgets for websites easily

    Pricing: paid, from $39.99

  20. #20
    LLMWizard logo

    LLMWizard

    Strong matchFree

    LLMWizard is an AI platform that gives you access to multiple AI models and task-specific AI agents in one place.

    In common with Anthropic: AI Agent, AI API, AI Chatbot, AI Models

    • Access to multiple AI models in one platform
    • Cost savings compared to individual subscriptions
    • Simplified workflow with model switching

    Pricing: free

  21. #21
    Webapi.ai logo

    Webapi.ai

    Strong matchFreemium

    AI chatbot builder for customer support and data collection, with API integration and GPT-based replies, from Webapi.ai.

    In common with Anthropic: AI Agent, AI API, AI Chatbot, AI Customer Service

    • GPT3/ChatGPT chatbot builder for customer support and data collection with API integration

    Pricing: free plan, paid plans from $0.15

  22. #22
    SumoPPM logo

    SumoPPM

    Strong matchEnterprise

    SumoPPM is an AI business intelligence platform with interactive dashboards, custom chatbots, and AI agents for enterprises and small businesses.

    In common with Anthropic: AI Agent, AI API, AI Chatbot, AI Customer Service, AI Models

    • Data stays in a secure

    Pricing: custom quote

  23. #23
    Userdesk logo

    Userdesk

    Strong matchFreemium

    Userdesk is a no-code AI chatbot builder that trains chatbots on your own content, with a free plan and paid tiers from $16 a month.

    In common with Anthropic: AI API, AI Assistant, AI Chatbot, AI Customer Service

    • No-code platform to build AI ChatBots trained on your data

    Pricing: free plan, paid plans from $16

  24. #24
    Fineguide.ai logo

    Fineguide.ai

    Strong matchEnterprise

    Fineguide is an AI customer service tool that adds virtual assistant agents to your website for support, lead collection, and onboarding.

    In common with Anthropic: AI Agent, AI Assistant, AI Chatbot, AI Customer Service

    • Fineguide AI Agents come with pre-defined roles

    Pricing: custom quote

How we picked these Anthropic alternatives

We rank tools by how closely they match Anthropic: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.

Frequently asked questions

What are the best alternatives to Anthropic in 2026?

The closest alternatives to Anthropic are DeepSeek, Ninja AI, DeepSeek Nederlands, Zeus and Limeblock. They are ranked by how many categories and tags they share with Anthropic and how similar their descriptions are, then by community votes and views on SoftwareVital.

What is the closest alternative to Anthropic?

DeepSeek is the closest match because it shares AI API, AI Assistant and AI Chatbot with Anthropic. It is free.

Are there free alternatives to Anthropic?

Yes. 18 of the 24 alternatives have a free or freemium plan, including DeepSeek (free), Ninja AI (free), DeepSeek Nederlands (free), FastBots.ai (free) and Serviceaide (free). Anthropic is paid.

Which Anthropic alternatives are paid or enterprise tools?

Zeus (enterprise), Limeblock (paid), Botco.ai (enterprise), ChatBuild AI (paid) and SumoPPM (enterprise) use paid or enterprise pricing, which usually means more support and admin options for teams.

How does Anthropic compare to DeepSeek?

DeepSeek overlaps with Anthropic in AI API, AI Assistant and AI Chatbot. Pricing: free. Open the side-by-side compare page for a full breakdown.

What category is Anthropic in?

Anthropic is listed under AI Agent on SoftwareVital. Browse that category to see more tools in the same group.