Appen records 665,840 monthly visits with +0.2% month-over-month growth and Contact for Pricing pricing. Tradytics records 103,044 monthly visits with -9.9% growth and Freemium, Free Trial pricing.
Human-validated training data and evaluation services for frontier AI models
Options flow, dark pools and dealer gamma with an AI analyst built in
| Dimension / Metric | | |
|---|---|---|
| Official Domain | appen.com | tradytics.com |
| Pricing Model | Contact for Pricing | Freemium, Free Trial |
| Monthly Visits | 665.84K (665,840) | 103.04K (103,044) |
| MoM Traffic Delta | +1.1K (+0.2%) | -11.38K (-9.9%) |
| Primary Market & Share | 🇺🇸 United States (22%) | 🇺🇸 United States (83.1%) |
| Direct Visits / mo | 238.31K | 77.29K |
| 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.
Options flow, dark pools and dealer gamma with an AI analyst built in
Reads the full OPRA options tape in real time so you can see net premium and flow direction per stock and across the whole market.
Ranks dark pool block prints against each stock's own yearly activity to surface unusually large or unusual off-exchange trades.
Models dealer gamma, delta, vanna and charm for roughly 2,500 stocks on a five-minute refresh cycle to gauge hedging pressure.
An AI analyst pulls the market data itself to answer questions, plus flow-signal pattern studies, backtesting and an API/MCP server on higher tiers.
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.
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.
AI trading indicators, real-trade orderflow and charts in one platform
AI trading indicators, real-trade orderflow and charts in one platform
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.
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.
AI investing copilot for stock research, screening and market signals
AI investing copilot for stock research, screening and market signals
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
An AI-powered trading journal with 600+ statistics and broker auto-sync
An AI-powered trading journal with 600+ statistics and broker auto-sync
AI-driven stock scores that rank every pickable stock by probability of beating the market
AI-driven stock scores that rank every pickable stock by probability of beating the market
AI-driven market analysis for faster, data-backed investing decisions
AI-driven market analysis for faster, data-backed investing decisions
