Best AI Research Agents for B2B (2026)

AI data analyst for Slack, Teams, and 200+ sources. Refuses stale data, builds dashboards on demand. Free tier: 50 questions/month. SOC 2 Type 2, MCP-compatible.

Anthropic's conversational AI platform powered by Opus 4.7, Sonnet 4.6, and Haiku 4.5. Includes Research, Projects, Memory, Skills, MCP Connectors, Cowork, Code, and Office add-ins. Free tier; Pro $17/mo annual.

Google's flagship conversational AI — Gemini 3 Pro, 3 Flash, Deep Think 3.1. Chat, Deep Research, image/video generation, 1M token context. Free tier; Pro $19.99/mo, Ultra $249.99/mo.

AI research tool that searches and synthesises findings from peer-reviewed papers. Free 20 searches/mo; Premium $11.99/mo, Enterprise custom. Used by 1M+ researchers, students, and professionals.

Microsoft's agentic search feature in Bing using GPT-4 for complex queries with deep web exploration. Up to 30 second processing for comprehensive answers. Free in Bing/Microsoft AI ecosystem.

Spellbook reviews, drafts, and redlines contracts inside Microsoft Word using GPT-5 and Claude. Used by 4,400+ in-house teams and law firms. Demo-gated pricing, free trial available.

AI research assistant for systematic literature reviews with access to 125M+ papers. Free tier with 5,000 credits/month; Plus $12/mo, Pro $42/mo, Team custom. Used by 800,000+ researchers globally.

AI meeting transcription, summarization, and assistant for Zoom, Google Meet, and Microsoft Teams. Free tier; Pro $8.33/user/mo annual; Business $19.99/user/mo annual.

AI research assistant for reading, understanding, and reviewing scientific papers across 285M+ papers. Free tier; Premium $20/mo, Team Pro $24/seat. 1M+ researchers worldwide use the platform.

Google's source-grounded AI research assistant powered by Gemini 3.1. Free tier; Plus via Google AI Pro at $19.99/mo. Audio Overviews, mind maps, and citation-backed Q&A on uploaded sources only.

AI features integrated into Notion's workspace: writing, summarization, Q&A across docs and databases, and Notion AI Connectors that bring AI to enterprise data. Free trial; Plus $10/seat/mo, Business $20/seat/mo.

Eve is plaintiff-firm legal AI from Butler Labs covering case intake through settlement. Drafts demand letters, manages discovery, surfaces missed case value. SOC 2 Type II + HIPAA.

AI research assistant and writing partner with multi-format content analysis (videos, PDFs, articles, tweets). Free; Standard $7/mo; Pro $18/mo; Ultimate $45/mo (yearly saves 50%). 7-day free trial.

OpenAI's autonomous research agent that browses dozens of sources and produces cited 5-30 minute reports. Updated Feb 2026 with GPT-5.2 and MCP server connectivity. Free tier; from $20/mo via Plus.

Google's agentic AI research feature that browses the web, synthesizes findings, and generates comprehensive research reports. Available via Google AI Pro ($19.99/mo) and Ultra subscriptions.

Web search APIs for AI agents and LLMs with Search API, Research API, and content extraction. Pivoted from consumer AI search to API-first platform. Free trial; usage-based pricing.

OpenAI's conversational AI platform with ChatGPT Agent, Tasks, and Deep Research. Free; Go $8/month, Plus $20/month, Pro from $100/month. 500M+ weekly active users.

Enterprise multi-agent AI platform combining generative and predictive AI — with deep research, document intelligence, and autonomous workflow execution on private data.

Enterprise AI platform for law firms covering contract analysis, due diligence, legal research, and document drafting. Custom enterprise pricing. SOC 2 Type II + ISO 27001. EU-US Data Privacy Framework certified.

CoCounsel from Thomson Reuters combines agentic legal workflows with Westlaw-grounded research. Used by 20,000+ firms including the majority of Am Law 100. Subscription pricing varies.

LexisNexis Lexis+ with Protégé (formerly Lexis+ AI) combines agentic AI workflows with authoritative legal content. Drafts, researches, and analyses cases. Custom pricing.

AI-powered answer engine with real-time web access and inline citations. Tiers: Free, Pro $20/mo, Max $200/mo, Enterprise. Includes Comet browser, Computer agent, Deep Research, Sonar API.