Best LangSearch Alternatives in 2026
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Supercharge your app or site with AI search! Use a developer - friendly, affordable API with multiple search types like semantic and hybrid. Free plan available, no credit card needed. Start enhancing your search today!
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Linkup: The AI search API for LLMs & agents. Get accurate, real-time web data to ground your AI & stop hallucinations.
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LangDB AI Gateway is your all - in - one command center for AI workflows. It offers unified access to 150+ models, up to 70% cost savings with smart routing, and seamless integration.
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Langbase empowers any developer to build & deploy advanced serverless AI agents & apps. Access 250+ LLMs and composable AI pipes easily. Simplify AI dev.
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Power your AI with Tavily, the search API engineered for LLMs. Get real-time web data optimized for RAG & reduced hallucinations.
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DeepSearch API: A revolutionary tool for in - depth query investigation. With iterative search, 500K token context, and evidence - based results, it delivers comprehensive answers to complex questions, ideal for research and staying updated in any field.
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Optimize your brand for AI search. ReachLLM audits visibility on ChatGPT & Gemini. Get insights & dominate the new front page.
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Stop guessing your AI search rank. LLMrefs tracks keywords in ChatGPT, Gemini & more. Get your LLMrefs Score & outrank competitors!
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Build fast, intuitive search with Meilisearch. Open-source, AI-ready, & developer-first. Sub-50ms results. Cloud or self-hosted.
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LM-SEO optimizes your website for AI-driven search tools like ChatGPT & Perplexity. Boost visibility, traffic, and citations with actionable insights tailored to major LLMs. Stay ahead in the AI-first search era!
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OpenDeepSearch is a lightweight yet powerful search tool designed for seamless integration with AI agents. It enables deep web search and retrieval, optimized for use with Hugging Face's SmolAgents ecosystem.
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LangWatch provides an easy, open-source platform to improve and iterate on your current LLM pipelines, as well as mitigating risks such as jailbreaking, sensitive data leaks and hallucinations.
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Your open-source AI research assistant: Auto-Deep-Research. Automate literature reviews, market analysis & competitive intel. Use your LLM.
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Stop LLM hallucination. Parallel delivers highest accuracy, evidence-based web search infrastructure for enterprise AI agents. Build reliable AI with trusted data.
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Semantic Scholar: Free AI tools for researchers. Discover & understand academic papers faster and gain key insights.
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GoSearch: AI enterprise search & agents. Unify knowledge, automate workflows, & get secure, real-time insights across 100+ apps.
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BiLin AI is a free multilingual search service. Translate queries, access global info in native language. Real-time translations, Chrome extension. Dual subtitles for videos. AI-driven precision.
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Spykio: Get truly relevant LLM answers. Context-aware retrieval beyond vector search. Accurate, insightful results.
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LangExtract: Python library for verifiable LLM data extraction. Turn unstructured text into precise, source-grounded, structured data you can trust.
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Langflow is an open-source Python framework for building multi-agent & RAG apps. With a visual IDE, free cloud service, and model agnostic design, it empowers developers and non-coders alike.
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Struggling with research? Linnk AI is your AI copilot for academic & professional work. Analyze documents, translate contextually, and visualize insights.
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Streamline your research with Open Deep Research—an open-source, AI-powered tool that generates detailed reports from web searches. Perfect for students, professionals, and researchers.
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DeepSearcher: AI knowledge management for private enterprise data. Get secure, accurate answers & insights from your internal documents with flexible LLMs.
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Stop fighting web scraping blockers. WebScraping.AI API handles JS, proxies, CAPTCHAs + uses AI for smart data extraction & analysis.
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Test, compare & refine prompts across 50+ LLMs instantly—no API keys or sign-ups. Enforce JSON schemas, run tests, and collaborate. Build better AI faster with LangFast.
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Meet Langdock, a GDPR-compliant chat assistant that empowers teams. With multiple models, file support, and multiplayer collaboration, Langdock enhances productivity and ensures data privacy.
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LMCache is an open-source Knowledge Delivery Network (KDN) that accelerates LLM applications by optimizing data storage and retrieval.
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Literal AI: Observability & Evaluation for RAG & LLMs. Debug, monitor, optimize performance & ensure production-ready AI apps.
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Findable empowers SEO & marketing teams to master AI search. Optimize your content for ChatGPT, Gemini, and AI Overviews to boost visibility.
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Be the business AI recommends. LightSite AI optimizes your site for ChatGPT, Gemini & Claude, securing top rank & driving generative search traffic.