
Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.
Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.
Charm (Mods) records 286 monthly visits with 0% month-over-month growth and Free pricing. Prolific records 18,697,671 monthly visits with -1.8% growth and Paid pricing.
Open-source tools and libraries that make the command line glamorous
High-quality human data for AI training, evaluation, and research
| Dimension / Metric | ||
|---|---|---|
| Official Domain | charm.sh | prolific.com |
| Pricing Model | Free | Paid |
| Monthly Visits | 286 (286) | 18.7M (18,697,671) |
| MoM Traffic Delta | +286 (0%) | -352.04K (-1.8%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (48.8%) |
| Direct Visits / mo | 112 | 12.98M |
| User Rating | 4.8 | 4.6 |
| Supported Platforms | Website | Website |
Open-source tools and libraries that make the command line glamorous
A terminal-based coding agent that connects your tools, code, and workflows to the LLM of your choice, available on macOS, Linux, Windows, and BSD.
The Go framework behind a large share of modern terminal interfaces, complemented by Lip Gloss for styling, Huh for forms, Bubbles for widgets, and Wish for SSH apps.
Small, focused tools including gum for shell scripts, glow for markdown, vhs for terminal GIFs, skate for key-value storage, and Pop for command-line email.
Coding-optimized, high-availability, cost-efficient hosting for open-source models, with a platform layer for production CLI workloads.
High-quality human data for AI training, evaluation, and research
Filter participants by detailed demographic, professional, and behavioural criteria and reach narrow or representative samples rather than a generic crowd.
Collect human preference data for model fine-tuning, run safety evaluations and red-teaming, and use a feedback API to plug humans into automated pipelines.
Attention checks, honesty screening, and approval workflows help filter out careless or fraudulent responses before you analyse results.
Publish a study and begin collecting responses quickly, with tooling that supports screening, quotas, and longitudinal designs.

Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.
Large consumer panel for market research surveys, but lacks Prolific's specialized focus on academic studies and AI tuning.
The AI developer cloud for GPU pods, serverless inference and clustering

Together AI is the AI Native Cloud — a full-stack platform for running, fine-tuning and training open-source models. It spans serverless inference APIs, dedicated endpoints, GPU clusters, post-training and storage, all backed by in-house systems research.
Together AI is the AI Native Cloud — a full-stack platform for running, fine-tuning and training open-source models. It spans serverless inference APIs, dedicated endpoints, GPU clusters, post-training and storage, all backed by in-house systems research.
Serverless cloud infrastructure for AI and data workloads
Serverless cloud infrastructure for AI and data workloads

SpecialistThe environments frontier AI trains on, and the agents that do the recurring work
SpecialistThe environments frontier AI trains on, and the agents that do the recurring work

Enterprise-grade data annotation and AI alignment workforce, but less self-serve for academic study recruitment and casual surveys.

High-trust frontier inference, encrypted end to end
High-trust frontier inference, encrypted end to end

SpecialistAI data infrastructure for building production-grade models
SpecialistAI data infrastructure for building production-grade models
Fast Apply and agent-tuned inference for coding agents
Fast Apply and agent-tuned inference for coding agents

SpecialistSpecializes in video-based consumer interviews and AI qualitative analysis, but less focused on quantitative academic survey panels.
SpecialistSpecializes in video-based consumer interviews and AI qualitative analysis, but less focused on quantitative academic survey panels.
The AI cloud built by the creators of PyTorch Lightning

SpecialistSources verified B2B professionals and healthcare experts for specialized research, but lacks broad general-population academic panels.
SpecialistSources verified B2B professionals and healthcare experts for specialized research, but lacks broad general-population academic panels.