Appen records 665,840 monthly visits with +0.2% month-over-month growth and Contact for Pricing pricing. SandboxAQ records 61,535 monthly visits with +4.3% growth and Contact for Pricing pricing.
Human-validated training data and evaluation services for frontier AI models
Large Quantitative Models that model the physical world for enterprise science and security
| Dimension / Metric | | |
|---|---|---|
| Official Domain | appen.com | sandboxaq.com |
| Pricing Model | Contact for Pricing | Contact for Pricing |
| Monthly Visits | 665.84K (665,840) | 61.54K (61,535) |
| MoM Traffic Delta | +1.1K (+0.2%) | +2.53K (+4.3%) |
| Primary Market & Share | 🇺🇸 United States (22%) | 🇺🇸 United States (63.2%) |
| Direct Visits / mo | 238.31K | 11.42K |
| User Rating | 4.4 | 4.5 |
| 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.
Large Quantitative Models that model the physical world for enterprise science and security
Physics- and chemistry-grounded AI models designed to output quantitative results rather than generated text.
A unified AI platform pairing an LLM interface and agent layer with LQM modules, proprietary datasets and workflow orchestration.
Simulation workflows for virtual screening, antibody design, lead optimization, toxicity, catalysis, batteries and alloys.
Post-quantum cryptography management and cryptographic discovery to help enterprises find and migrate vulnerable systems.
Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.
Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.
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.
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.
The data, evaluations and systems behind AI that has to be right.
Free / Open-sourceUnrestricted, OpenAI-compatible LLM API governed by your own policies
Free / Open-sourceUnrestricted, OpenAI-compatible LLM API governed by your own policies
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
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.
AI APIs for credit underwriting and digital customer onboarding
AI APIs for credit underwriting and digital customer onboarding
Enterprise LLMs and document AI that turn unstructured work into data
