High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
clickworker records 1,861,149 monthly visits with +0.5% month-over-month growth and Contact for Pricing pricing. Code Arena records 35,827,928 monthly visits with +19.4% growth and Free pricing.

Crowdsourcing data services for AI training and market data

Battle-test AI coding models side by side
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | clickworker.com | arena.ai |
| Pricing Model | Contact for Pricing | Free |
| Monthly Visits | 1.86M (1,861,149) | 35.83M (35,827,928) |
| MoM Traffic Delta | +9.57K (+0.5%) | +5.83M (+19.4%) |
| Primary Market & Share | 🇺🇸 United States (27.6%) | 🇮🇳 India (13.1%) |
| Direct Visits / mo | 947.13K | 24.34M |
| User Rating | 3.9 | 4.7 |
| Supported Platforms | Website | Website |

Crowdsourcing data services for AI training and market data
Custom image, video, audio and text datasets with human labeling, annotation and validation, delivered with parent company LXT.
Registered freelancers in 136 countries fill microtasks through web, Android and iOS apps, with flexible scaling up or down.
An all-in-one survey tool plus access to a verified respondent pool for external studies and targeted insights.
Real-time point-of-sale data collection, display audits, mystery checks, and usability testing for websites, apps and games.

Battle-test AI coding models side by side
Send the same coding prompt to multiple leading models and compare their generated apps and logic side by side.
Watch models construct web apps and websites live, so you can see process and output, not just the final file.
Projects go beyond one-off snippets, testing how well a model structures components, routes, and styles together.
Track which coding models accumulate the most wins over time to identify consistently strong performers.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.

Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models.
Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models.
Autonomous enterprise AI agents and CRM intelligence powered by Salesforce Data 360 and Atlas.
Autonomous enterprise AI agents and CRM intelligence powered by Salesforce Data 360 and Atlas.

Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context.
Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context.
An AI-powered visual workspace where teams think, plan, and build together
Build and share random generators for free with lists and simple code
Build and share random generators for free with lists and simple code

The AI coding agent for building ambitious software
The AI coding agent for building ambitious software
High-quality human data for AI training, evaluation, and research

Anthropic's AI assistant for real work, from chat to agents
Google's agent-first development platform for building and shipping software with AI agents
Google's agent-first development platform for building and shipping software with AI agents

Build working apps, websites, and AI agents by describing them
Build working apps, websites, and AI agents by describing them

Get paid to train the next generation of AI models