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Side-by-side comparison · AI Assistants & LLMs

Artificial Analysis vs Duck.ai vs Langdock

Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.

Best overall

Artificial Analysis

4.3

Free to start

Duck.ai

4.0

From $9.99/mo or $99.99/yr

Langdock

4.2

From €25/user/mo

Comparing 3 tools, the maximum.

At a glance

Best overallBest value

Pick it if: Anyone choosing an AI model or tool who wants independent numbers on quality, speed and price before paying.

Pick it if: Anyone who wants quick AI help without an account or a record of what they asked.

Pick it if: European mid-size companies that want to roll out AI to every employee with multiple models and strict data controls.

Overview

AttributeArtificial AnalysisDuck.aiLangdock
In one lineFree, independent scores for how smart, fast and cheap each AI model is.DuckDuckGo's private AI chat: no account, no stored prompts, free to use.A company-wide ChatGPT-style workspace with many AI models, agents and EU hosting.
Pricing modelFreeFreemiumPaid
Starting priceFree$9.99/mo or $99.99/yr€25/user/mo
Free plan Yes Yes No
Works with Claude Code Yes No Yes

Rating breakdown

Our scores out of 5. The higher bar in each row is highlighted.

AttributeArtificial AnalysisDuck.aiLangdock
Overall rating4.3Winner4.04.2
Ease of useHow quickly someone non-technical gets value from it.
3.5
4.5
4.5
FeaturesHow completely it covers its own job, and how well the pieces fit together.
4.0
3.0
4.5
Output qualityHow good the results are before you fix them.
4.5
3.5
4.0
Value for moneyWhat you get for the price, including the free plan.
5.0
4.5
4.0
Speed & reliabilityHow fast it is and how often it falls over.
4.5
4.5
4.0

Feature comparison

A tick means it does this today. A dash means we haven't checked.

AttributeArtificial AnalysisDuck.aiLangdock
Access & platform
Free plan Yes Yes No
Mobile app No Yes–
Desktop app No Yes–
Browser extension No Yes–
API access Yes No Yes
Teams & business
Team workspace No No Yes
Enterprise plan or SSO No No Yes
Connects to other apps No No Yes
Open source or self-hosted No No Yes
AI abilities
Works with your files No Yes Yes
Understands images– Yes Yes
Makes images No Yes Yes
Makes video No No No
Writes code No Yes Yes
Runs agents or automations No No Yes
Learns your brand or style– No–
Works in many languages– Yes Yes
Capabilities score2/ 179/ 1711/ 17

Pricing

Plans as listed on each vendor's site when we last checked. Confirm before you buy.

AttributeArtificial AnalysisDuck.aiLangdock
Plans

FreeOur pick

Free

Everyone choosing between AI models.

FreeOur pick

Free

Quick private questions with no sign-up.

Trial

Free for 7 days

Testing with a few colleagues.

Commercial

Custom

Companies that need deeper data or custom testing.

Plus

$9.99/mo or $99.99/yr

Regular users who also want a VPN.

Business (Standard seat)Our pick

€25/user/mo

Most staff in a company rollout.

Pro

$19.99/mo or $199.99/yr

People who want the top models privately.

Business (Max seat)

€99/user/mo

Heavy users who hit limits.

Enterprise

Custom

Companies over 1,000 users.

Which plan to pickUse the free site. The paid data and custom testing are for AI companies and large businesses comparing models at scale.Stay on Free unless you also want a VPN. Plus is good value if you'd pay for a VPN anyway. Pro is $19.99, the same as ChatGPT Plus or Claude Pro, so only pick it if anonymity matters more to you than features.Give most staff Standard seats and buy Max seats only for the few who use AI all day. Yearly billing saves about 20%, and seat prices drop with volume.

Key features

AttributeArtificial AnalysisDuck.aiLangdock
Standout features
  • Intelligence Index
  • Speed and cost
  • Media arenas
  • Coding agent index
  • Model Recommender
  • Free API
  • No account needed
  • Anonymised prompts
  • Choice of models
  • Voice chat and images
  • Local chat history
  • Built into the browser
  • Chat with any model
  • Shared agents
  • Company data connections
  • Workflows
  • EU hosting and admin controls
  • API

Pros and cons

AttributeArtificial AnalysisDuck.aiLangdock
Pros
  • Free and independent
  • Covers text, image, video, speech and coding agents
  • Shows speed and price, not just quality
  • Updated quickly when new models launch
  • Free API for the data
  • No account, and prompts are anonymised and not used for training
  • Free access to models from OpenAI, Anthropic and Mistral in one place
  • Fast, clean and easy for anyone to use
  • Paid plans bundle a VPN and identity protection
  • Many top models under one login, so you're not tied to one AI company
  • EU hosting and GDPR compliance suit European legal teams
  • Easy for non-technical staff to pick up
  • Agents and workflows in the same platform
Cons
  • A reference site you check, with nothing to do your work in
  • Test scores don't always match how a model handles your tasks
  • Dense charts take some getting used to
  • Free models are the small versions, so answers trail paid ChatGPT or Claude
  • No projects, connectors or spreadsheet uploads, and PDFs are capped at 15 to 50 pages
  • Usage limits aren't published as numbers
  • Privacy rests on DuckDuckGo's contracts with the AI companies, and some users report chat sync errors between devices
  • Workflows beyond the included runs and API use cost extra
  • Euro pricing only
  • Small base of public reviews so far
  • Some connectors have gaps, such as Google Drive search limited to files you own

Who each one is for

AttributeArtificial AnalysisDuck.aiLangdock
Best for
  • Checking which AI model is best right now
  • Comparing API prices and speeds
  • Picking an image, video or voice model
  • Seeing how a new model stacks up on launch day
  • Quick private questions
  • Using AI without signing up
  • A shared or work computer
  • Voice chat and simple image making
  • Rolling out AI to a whole company in the EU
  • Using several AI models under one login
  • Shared agents for HR, sales and support teams
  • Companies with strict GDPR requirements
You'll find it used by
  • Developers
  • Founders
  • Journalists
  • AI enthusiasts
  • Investors
  • Privacy-minded professionals
  • DuckDuckGo users
  • Casual AI users
  • Students
  • European businesses
  • HR teams
  • Sales teams
  • IT and security teams
  • Operations teams

Questions people ask

Which is better, Artificial Analysis, Duck.ai or Langdock?

Artificial Analysis scores highest overall in our ratings (Artificial Analysis 4.3/5, Duck.ai 4.0/5 and Langdock 4.2/5). Artificial Analysis is best for checking which AI model is best right now and Comparing API prices and speeds. Duck.ai is best for quick private questions and Using AI without signing up. Langdock is best for rolling out AI to a whole company in the EU and using several AI models under one login.

Which is cheaper, Artificial Analysis, Duck.ai or Langdock?

Artificial Analysis: It's free to use. Duck.ai: There's a free plan, and paid plans start at $9.99/mo or $99.99/yr. Langdock: There's no free plan. Paid plans start at €25/user/mo.

How we compare

Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.

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