Lex vs Writer: pricing, features and which to choose

Plans, prices, deployment options, strengths and limits for Lex vs Writer, taken from each company's pricing page, docs and changelog. Updated October 2026.

LexWriter
Lex logo

Lex

Writing AI Tools

Lex is a browser-based AI word processor combining documents, collaboration, chat, inline Checks, model selection, and reusable context tags. It fits writers who want editorial help inside drafts, especially researchers, academics, and content teams. Existing accounts continue working, but Lex is not accepting new customers; published Pro prices were $18 monthly or $12 monthly annually.

Writer logo

Writer

AI Agents

Writer is an enterprise AI agent platform for teams building governed workflows across business systems. Founded in 2020, it offers chat, automation, agents, Palmyra models, connectors, and approval controls. Starter begins at $39 per user monthly, or $29 per user monthly with annual billing, while Enterprise pricing is custom.

On April 10, 2025, Writer shifted from an enterprise writing assistant toward an enterprise AI agent platform with AI HQ, Agent Builder, orchestration, observability, and tool calling.

Quick comparison

FeatureLexWriter
CategoryWriting AI ToolsAI Agents
Main useAI document editingEnterprise AI agents
Pricing modelFree plan + paid tiersPaid only
Free plan Yes Yes
Entry paid plan$18/month month to month, or $12/month billed annually (Lex Pro)$39/user/month monthly, $29/user/month annually (Starter)
PlatformsWebWeb, API, Bedrock
Open source No No
Self-hosted No No
Public API No Yes
Profile updatedOctober 2026October 2026

Pricing plans

Every public plan, as listed on each company's pricing page.

Lex

  • Free$0

    Free models with limited Ask Lex messages, Checks, and custom prompts. The current pricing page does not publish a complete numerical quota.

  • Lex Pro$18/month month to month, or $12/month billed annually

    For existing accounts. Includes premium models, early feature access, priority email support, and high usage limits; overage credits may be available at cost.

  • Lex Teams$8/user/month month to month, or $5/user/month billed annually

    For existing accounts. Adds unlimited group folders, shared templates, shared prompts, and team collaboration.

Writer

  • Starter$39/user/month monthly, $29/user/month annually

    Up to 5 users, 5 Playbooks, 1 team Personality profile, 250,000 words checked per user monthly, and 50,000 words generated per user monthly.

  • EnterpriseCustom

    Supports expanded users, teams, workflows, connectors, governance, observability, auditability, and priority support.

  • Palmyra X6 API$2 input and $8 output per 1M tokens

    API access uses palmyra-x6 with a 1M-token context window and 8,192-token maximum output.

  • Palmyra X5 API$0.60 input and $6 output per 1M tokens

    API access uses palmyra-x5 with a 1M-token context window and 8,192-token maximum output.

  • Palmyra X4 API$2.50 input and $10 output per 1M tokens

    API access uses palmyra-x4 with a 128K-token context window and 4,096-token maximum output.

Strengths and limits

Lex

  • Context tags let recurring research and style instructions follow a project.
  • Ask Lex combines document-aware chat with inline Checks.
  • The model selector offers providers beyond a single AI vendor.
  • Lex says user content is not used to train its models.
  • Lex is no longer accepting new customers.
  • The current free quotas are not fully published numerically.
  • The privacy notice permits collection of documents and AI conversations.

Writer

  • Palmyra X6 combines a 1M-token context window with an agent-focused default workflow.
  • Knowledge Graph retrieval, connectors, and citations support grounded enterprise tasks.
  • Agent Builder, approvals, and audit trails give administrators workflow controls.
  • API, SDK, and AWS Bedrock access support several deployment patterns.
  • Starter limits users, Playbooks, connectors, and monthly checked and generated words.
  • Enterprise pricing and several advanced capabilities require a sales conversation.
  • X4 and X5 are scheduled for deprecation on December 14, 2026.

Which should you choose?

Choose Lex if

  • Existing Lex users who want model-assisted editing inside documents.
  • Researchers who reuse style guides, notes, links, and reference files.
  • Writers who prefer chat and inline feedback over generic text generation.
  • Small groups sharing documents, folders, templates, and prompts.

Look elsewhere if

  • New customers seeking an available subscription today.
  • Writers who need a documented public API.
  • Teams requiring a full enterprise administration and compliance suite.

Choose Writer if

  • Marketing and operations teams building connected AI workflows.
  • Enterprises requiring approvals, audit trails, and administrative controls.
  • Developers needing Palmyra models through an API or SDK.
  • Teams grounding agents in documents and business-system data.

Look elsewhere if

  • Individuals seeking inexpensive grammar correction or casual drafting.
  • Small teams unwilling to manage connectors, permissions, and usage metering.
  • Organizations requiring a fully self-hosted agent platform.

Lex logo Lex in brief

Lex is an AI-focused word processor founded by Nathan Baschez and spun out of Every. TechCrunch reported a $2.75 million seed round led by True Ventures on August 23, 2023, after Lex attracted about 25,000 sign-ups during its first day. Lex’s 2024 annual letter reported 47,000 users making 15 million edits across 400,000 documents, alongside more than 14 trillion language-model tokens processed. The product targets substantial writing and revision rather than standalone text generation. It combines a document editor with AI assistance, comments, shared documents, folders, and model selection. Its current pricing page says Lex is no longer accepting new customers, which materially changes its usefulness for new buyers while existing accounts continue working. Lex remains positioned around AI-assisted writing inside an integrated word-processing workspace.

Lex’s workflow keeps drafting, reference material, conversation, and revision in one browser-based writing environment. Users can write documents, collaborate through comments and sharing, open Ask Lex, attach files or PDFs, and request ideas, counterarguments, rewrites, summaries, or feedback on selected text. Context tags collect reusable background information from files, URLs, Lex documents, and folders, then let users add that material to chats when needed. The 2024 annual letter describes context tags as buckets of reusable information that can be shared across teams, allowing one person to maintain reference material for others. Checks provide inline suggestions, including a Brevity Check, while folders organize documents and shared work. The workflow is aimed at writers who want AI to support judgment, editing, research, and iteration rather than replace authorship.

Lex’s main caveat is availability: new customers cannot subscribe according to the current pricing page, while existing accounts continue working. The free plan’s complete numerical limits are not publicly stated, and Pro usage limits are described as generous rather than given as a fixed quota. Lex’s privacy notice says it collects documents, comments, chat inputs, assistant outputs, account information, usage information, and related metadata. Its terms grant Lex a license to operate the service and provide personalized suggestions, while stating that uploaded content is not used to train its models. Google Docs, ChatGPT, and Grammarly are named direct competitors, with Notion AI, Hemingway Editor, and Writer also relevant alternatives. Existing Lex users should pick it when integrated document editing and reusable context matter most.

Read the full Lex review

Writer logo Writer in brief

Writer is an enterprise AI agent platform made by Writer, a company founded in 2020 by May Habib and Waseem AlShikh. Its earlier positioning centered on enterprise writing assistance, while its current product centers on agents that can perform work across business systems. Writer announced AI HQ on April 10, 2025, as a hub for building, activating, and supervising agents. The company announced a $200 million Series C in November 2024 at a reported $1.9 billion valuation, bringing reported total funding to $326 million. Writer has described offices or expansion in San Francisco, New York, London, Singapore, Dublin, Chicago, and Austin. Those facts support an enterprise focus, while product performance claims remain company statements.

Writer combines chat, automation, and agents in a managed cloud product. A workflow can begin with a prompt, document, or connected business data. Users can assemble low-code workflows in Agent Builder, create repeatable work with Playbooks and routines, and use Knowledge Graph retrieval for grounded answers. Connectors reach systems including Salesforce, Workday, Adobe, Microsoft, and Atlassian. Tool calling, sub-agent delegation, approval steps, guardrails, audit trails, observability, and brand or voice controls address tasks that require more than a generated paragraph. Writer lists RFP preparation, CRM work, refunds, research, analysis, translation, and content lifecycle operations as use cases. Enterprise customers can choose managed multi-cloud or dedicated private-cloud deployment options.

Writer’s main limitation is product scope. A person seeking inexpensive drafting or proofreading may find an enterprise agent platform excessive, while Starter has firm user, Playbook, connector, and content limits. Jasper and Copy.ai are closer alternatives for marketing content, and Sudowrite, Novelcrafter, NovelAI, and Squibler serve writing use cases described by their product names. Writer’s case rests on Palmyra models, Knowledge Graph retrieval, connectors, tool calling, approvals, and governance. Choose Writer when an organization needs controlled workflows across systems and can support enterprise administration, rather than when the main need is individual copy editing.

Read the full Writer review

Frequently asked questions

How do Lex vs Writer compare on price?

Lex has a free option, and its first paid plan (Lex Pro) is listed at $18/month month to month, or $12/month billed annually. Writer has a free option, and its first paid plan (Starter) is listed at $39/user/month monthly, $29/user/month annually. Prices are from each company's pricing page and can change, so check before you buy.

Which has a free plan, Lex vs Writer?

All of them. Lex: Free models with limited Ask Lex messages, Checks, and custom prompts. The current pricing page does not publish a complete numerical quota. Writer: API access uses palmyra-x5 with a 1M-token context window and 8,192-token maximum output.

Can I self-host or integrate Lex vs Writer?

None of them is open source. All of them run as hosted services only. Writer offers a public API.

How much did Lex Pro cost?

Lex published Pro at $18 per month when paid monthly, or $12 per month when billed annually. The current pricing page says Lex is no longer accepting new customers and describes the pricing information as applying to existing users. Teams was published separately at $8 per user monthly or $5 per user monthly when billed annually.

Does Lex have a free plan?

Yes. Lex published a free account with free AI models and limits on Ask Lex messages, Checks, and custom prompts. The current pricing page does not give a complete numerical free quota. Existing accounts continue working, but the same page says Lex is no longer accepting new customers.

How much does Writer cost?

Writer Starter costs $39 per user per month with monthly billing, or $29 per user per month with annual billing. Enterprise pricing is custom. API usage is metered separately, including Palmyra X6 at $2 per million input tokens and $8 per million output tokens. Knowledge Graph hosting and some capabilities have separate usage charges.

Does Writer have a free plan?

Writer’s current public plans are Starter and Enterprise, and neither is presented as a permanent free plan. Starter is the entry subscription with fixed user, Playbook, connector, credit, and content allowances. A free trial is reported for Starter, but the plan converts to paid service under its billing terms.

Related comparisons

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