20+ Best Alternatives to Lex in 2026

Looking for an alternative to Lex? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.

1. 1

   Grammarly

   💰 $1.2B

   AI writing assistant for individuals and teams.

   Why it's similar: Shares categories with Lex — AI Writing, AI Productivity.

   💵 Free · From $12/mo

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2. 2

   Lavender

   💰 $13.2M

   AI sales email coach

   Why it's similar: Shares categories with Lex — AI Writing, AI Productivity.

   💵 Free · From $29/mo

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3. 3

   Bahasa AI

   💰 Undisclosed

   Your AI Assistant for everyday tasks, offering chat, image, and PDF analysis.

   Why it's similar: Shares categories with Lex — AI Writing, AI Productivity.

   💵 Free · From $1/mo

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4. 4

   Brisk Teaching

   💰 Undisclosed

   AI education platform helping teachers create materials, give feedback, and adapt instruction within Google and Microsoft tools.

   Why it's similar: Shares categories with Lex — AI Writing, AI Productivity.

   💵 Free

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5. 5

   River AI

   💰 $1.1B

   On-brand content, without the prompting, for teams.

   Why it's similar: Shares categories with Lex — AI Writing, AI Productivity.

   💵 Free trial · From $29/mo

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6. 6

   Perplexity

   💰 $2.0B

   AI-powered answer engine delivering real-time, cited responses to complex queries.

   Why it's similar: Shares categories with Lex — AI Productivity.

   💵 Free

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7. 7

   Notion AI

   💰 $270M

   Connected AI workspace

   Why it's similar: Shares categories with Lex — AI Productivity.

   💵 Free · From $8/mo

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8. 8

   Harvey

   💰 $2.3B

   The AI platform for elite law firms.

   Why it's similar: Shares categories with Lex — AI Productivity.

   💵 Paid

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9. 9

   Genspark

   💰 $520M

   Your all-in-one AI workspace that puts busywork on autopilot.

   Why it's similar: Shares categories with Lex — AI Productivity.

   💵 Freemium · From $19/mo

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10. 10

    Vanta

    💰 $504M

    Agentic trust and compliance automation platform

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Free trial

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11. 11

    Augment Code

    💰 $252M

    AI agents that understand your entire codebase, from IDE to CLI to code review.

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Paid · From $20/mo

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12. 12

    Jasper

    💰 $125M

    AI copilot for enterprise marketing teams.

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Free trial · From $49/mo

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13. 13

    Plaud AI

    💰 $5M

    AI voice recorder devices for hands-free note-taking

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Hardware · From $159/mo

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14. 14

    Smartling

    💰 $383M

    AI translation and localization platform

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Enterprise · Contact sales

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15. 15

    HeyGen

    💰 $65.6M

    AI video platform with hyper-realistic avatars.

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Free · From $24/mo

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16. 16

    Tines

    💰 $146.2M

    The intelligent workflow platform to securely scale AI and automation, integrating agents, teams, and tools with speed and control.

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Enterprise · Contact sales

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17. 17

    Dust

    💰 $21M

    Deploy, orchestrate, and govern fleets of specialized AI agents safely connected to your company's knowledge and tools.

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Enterprise · Contact sales

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18. 18

    Cluely

    💰 $20.3M

    AI desktop overlay that listens, sees the screen, and whispers answers in real time.

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Pricing not listed

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19. 19

    Legora

    💰 $680M

    Collaborative AI for exceptional lawyers, streamlining research, drafting, and review to deliver greater value.

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Enterprise · Contact sales

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20. 20

    InVideo AI

    💰 $50M

    Create publish-ready videos with a text prompt.

    Why it's similar: Shares categories with Lex — AI Productivity.

    💵 Freemium · From $20/mo

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