Writer (Palmyra) vs Glean vs Microsoft Copilot

A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.

Writer (Palmyra) Enterprise AI agents on Palmyra LLMs, built for regulated industries Visit Glean Enterprise search and AI assistant for work Visit Microsoft Copilot Microsoft's AI assistant across Windows, Microsoft 365, Edge and Bing Visit
RECATOOLS Score 7.8 / 10 7.8 / 10 8.5 / 10
Capability 8.5 9 8.5
Value for money 7 6 8.5
Ease of use 7.5 6 9
ASEAN readiness 6 6 8
API quality 8 7 8
Pricing Enterprise Enterprise Freemium
Free tier 14-day free trial (Starter); no permanent free tier Free on Bing, Edge, Windows and the Copilot apps
Paid from Starter from $29/user/month (annual); Enterprise custom pricing Enterprise custom; reported ~$50-75/user/month, ~100-seat minimum Microsoft 365 Premium ~$19.99/mo; M365 Copilot $30/user/mo (Business from $18/mo promo)
Has API
Open source
Free to use
Users Hundreds of enterprise customers; $47–84M ARR (2024) $300M ARR as of May 2026 (customer count not officially disclosed ~420M monthly active users across all Copilot surfaces (Microsoft, Q1 2026)
Founded 2020 2019 2023
Maker Writer, Inc. Microsoft
Verdict

Writer earns its enterprise price tag if you're in a regulated industry. Palmyra X5's 1M-token context, the Knowledge Graph RAG layer, and a prebuilt agent library cut real integration time compared to duct-taping OpenAI...

Glean is a leading enterprise work-AI platform: it indexes a company's SaaS apps (email, docs, tickets, chat, code) into a permissions-aware search and assistant, with an agent-building layer on top. Its strengths are co...

Copilot is the AI most office workers meet first, simply because it's already inside Windows, Word, Outlook and Teams rather than living in a separate tab. The free tier covers basic chat and summarizing; Microsoft 365 C...

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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.