Appen records 665,840 monthly visits with +0.2% month-over-month growth and Contact for Pricing pricing. Lection records 32,358 monthly visits with +6.7% growth and Freemium pricing.
Human-validated training data and evaluation services for frontier AI models
AI web scraper that turns any website into structured data
| Dimension / Metric | | |
|---|---|---|
| Official Domain | appen.com | lection.app |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 665.84K (665,840) | 32.36K (32,358) |
| MoM Traffic Delta | +1.1K (+0.2%) | +2.04K (+6.7%) |
| Primary Market & Share | 🇺🇸 United States (22%) | 🇺🇸 United States (23.5%) |
| Direct Visits / mo | 238.31K | 12.96K |
| User Rating | 4.4 | 4.3 |
| Supported Platforms | Website | Website |
Human-validated training data and evaluation services for frontier AI models
Chain-of-thought reasoning traces, SME-level RLHF, supervised fine-tuning demonstrations and adversarial red teaming for the most capable models.
Golden trajectories, RL environment design, failure-mode taxonomies and software-engineering-driven deep evaluation for autonomous agents.
Multilingual ASR and conversational speech data, expressive TTS annotation, vision-language model training data, video action labelling and voice-agent evaluation.
LiDAR point-cloud labeling, multi-camera sensor fusion, robot demonstration trajectories, world-model rollouts and embodied interaction logs.
AI web scraper that turns any website into structured data
Describe the fields you want in plain language and Lection's AI determines how to extract them, no selector configuration needed.
Scrape interactively in your browser, or schedule scrapes to run in the cloud even when your browser is closed.
Follow pagination and infinite scroll, then combine listing pages with detail pages into one unified table.
Export CSV, Excel, or JSON, or send rows straight to Google Sheets, Airtable, Notion, Supabase, Zapier, Make, n8n, Pipedream, or a custom webhook.
SpecialistConnects teams directly with verified human participants for preference tuning and studies, but lacks managed end-to-end labeling pipelines.
SpecialistConnects teams directly with verified human participants for preference tuning and studies, but lacks managed end-to-end labeling pipelines.
Run thousands of ready-made web scrapers and AI agents from one cloud platform
Run thousands of ready-made web scrapers and AI agents from one cloud platform
Blends custom software with dedicated human expert teams to handle complex operations, but operates as a bespoke service.
Blends custom software with dedicated human expert teams to handle complex operations, but operates as a bespoke service.
Combines robust data labeling tools with automated workflows, but focuses more on software tooling than managed human workforces.
Combines robust data labeling tools with automated workflows, but focuses more on software tooling than managed human workforces.
Provides enterprise-grade AI training data and model evaluation at massive scale, but often with higher enterprise pricing.
Provides enterprise-grade AI training data and model evaluation at massive scale, but often with higher enterprise pricing.
One browser agent that combines every major AI model with web automation
Agentic web scraper that turns any page into ready-to-use data
Agentic web scraper that turns any page into ready-to-use data
Delivers advanced multimodal data curation and annotation infrastructure, but requires your own annotation workforce for labeling tasks.
Delivers advanced multimodal data curation and annotation infrastructure, but requires your own annotation workforce for labeling tasks.
SpecialistAgent observability, evaluation, and continuous improvement for production AI
SpecialistAgent observability, evaluation, and continuous improvement for production AI
SpecialistThe multimodal data layer for computer vision and physical AI teams
SpecialistThe multimodal data layer for computer vision and physical AI teams
Agentic, no-code web scraping that turns any URL into clean structured data
Agentic, no-code web scraping that turns any URL into clean structured data
Offers pre-packaged AI training datasets and custom data collection services, but with a smaller global crowd than Appen.
Offers pre-packaged AI training datasets and custom data collection services, but with a smaller global crowd than Appen.
