Erlin vs Otterly.AI (2026): which should you pick?

Pick Erlin if

• Fits if you want AI tracking and article writing in one subscription, from Standard
• Works for teams that want visits from AI answers tied to leads through GA4

Look elsewhere if

• Not for you if you want to pay monthly, as every plan is billed yearly
• Skip it if Google AI Overviews matters, since it isn't among the engines listed
• Pricey if you need Claude or an API, which start at Pro for $397 a month
• Too light for writing on Starter, which has no content generation
• Watch out: there's no free trial; each plan opens with a 7-day trial that costs $7

Pick Otterly.AI if

• Fits if a daily read on ChatGPT, Perplexity, AI Overviews and Copilot is what you need
• Works for agencies that brand client reports through Looker Studio, from Standard

Look elsewhere if

• Skip it if Gemini, AI Mode or Claude matter to you, as they're paid add-ons on every plan, and all seven engines add $227 a month on Standard
• Not for you if you need white-label reports, as there aren't any
• Tight if you start on Lite, with 15 prompts, one workspace, no API or MCP, and no extra prompt packs
• Pricey if you outgrow Lite, as Standard is $160 a month yearly and extra prompts are $99 per 100, with 300 at most before Premium at $422
• Watch out: Claude is tracked through its API using the Haiku model, and crawler analytics needs server log files you upload

Erlin

• Plans are billed yearly; each starts with a 7-day trial that costs $7 rather than a free one.
• Starter tracks only ChatGPT and Perplexity and has no content writing; Gemini starts at Standard and Claude at Pro.
• API access starts at Pro, at $397 a month billed yearly.
• Lead qualification is a beta add-on with pricing on request; a done-for-you service, Erlin Select, is by application.

Otterly.AI

• Google AI Mode and Gemini cost $9, $59 or $149 a month each by plan, and Claude $29, $109 or $439, so all seven engines on Standard add $227 a month.
• Google AI Mode, Gemini and Claude are paid add-ons on every plan; Claude is tracked through its API using the Haiku model.
• Lite has one workspace; extra prompts are sold in packs of 100 on Standard and Premium only.
• There is no white-label option; the Looker Studio connector is the suggested way to brand client reports.

Erlin

Prompt discovery

Suggests the questions buyers in your industry ask AI, with the intent, buying stage and demand Erlin estimates for each.

Visibility and competitors

Tracks mentions, sentiment and share of voice across the engines on your plan and shows which brands are recommended instead.

Opportunities and citations

Lists the sources AI answers draw on in your industry and ranks fixes by effort and impact so they can be assigned and tracked.

Content in your brand voice

From Standard, researches, outlines and drafts articles or improves existing pages, guided by a Brand Memory of your products, voice and rules.

AI traffic tracking

Connects Google Analytics 4 and Search Console to show visits and leads that trace back to AI answers, on every plan.

Lead qualification add-on

A website chatbot that answers and qualifies visitors, email and Telegram follow-up, and a CRM view; in beta, priced on request.

Otterly.AI

Daily prompt monitoring

Tracks set prompts every day and reports brand mentions, coverage, share of voice and sentiment per engine, in more than 70 countries.

Link citation analysis

Shows which URLs and domains each AI engine cites for a prompt, with a domain ranking to find the sources worth targeting.

AI prompt research

Suggests prompts customers are likely to ask AI search tools about a brand or topic, as a starting set to monitor.

GEO audit

A technical audit of site URLs for generative engine readiness; Lite allows 1,000 audited URLs a month, Premium 10,000.

Agent Analytics

Reports AI agent and crawler visits to your site from server log files you upload.

API, MCP and Looker Studio

An API and MCP server give programmatic access to the data; the Looker Studio connector comes with Standard and above.

Erlin

• Starter$47

  per month for 50 prompts, billed annually ($564 a year)

  ChatGPT and Perplexity, 1 workspace, 10 team members and weekly reports. No content generation.

• Standard$197

  per month for 150 prompts, billed annually ($2,364 a year)

  Adds Gemini, 3 workspaces, 50,000 content words a month (about 30 articles) and chat support.

• Pro$397

  per month for 400 prompts, billed annually ($4,764 a year)

  Adds Claude, 5 workspaces, 50 team members, 200,000 words a month, API access and Slack support.

• EnterpriseCustom

  Unlimited workspaces, custom prompt and word limits, a custom LLM or RAG setup, custom integrations and an SLA.

Otterly.AI

• Lite$25

  per month, billed yearly ($29 billed monthly)

  15 prompts tracked daily on ChatGPT, Google AI Overviews, Perplexity and Copilot, unlimited team members, one workspace. No API, MCP or extra prompts.

• Standard$160

  per month, billed yearly ($189 billed monthly)

  100 prompts, API, MCP and Agent Analytics. Extra prompts are $99 per 100 a month, up to 300 more before you must move to Premium.

• Premium$422

  per month, billed yearly ($489 billed monthly)

  400 prompts with everything in Standard. Extra prompts are $99 per 100 a month.

• EnterpriseCustom

  From 1,000 prompts, with SSO, custom terms, a quarterly GEO health check and a dedicated success manager.