Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceRun and build with open AI models locally or in the cloud
Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. Spice.ai records 20,632 monthly visits with -21.8% growth and Freemium pricing.

The portable data lakehouse for AI agents
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | arena.ai | spice.ai |
| Pricing Model | Free | Freemium |
| Monthly Visits | 35.83M (35,827,928) | 20.63K (20,632) |
| MoM Traffic Delta | +5.83M (+19.4%) | -5.76K (-21.8%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🇺🇸 United States (20.6%) |
| Direct Visits / mo | 24.34M | 8.37K |
| User Rating | 4.7 | 4.4 |
| Supported Platforms | Website | Website |

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.

The portable data lakehouse for AI agents
Connect to operational databases, data lakes, and warehouses, and query them through one SQL endpoint. Materialize working sets in-memory or on disk for millisecond access with engines like Cayenne.
Replicate changes from production databases to an isolated analytics replica via high-throughput CDC, so large queries run against near real-time operational data without touching production.
Combine structured filters, vector similarity, and full-text search in a single SQL statement and rank merged results by relevance.
Call hosted or local LLMs inline using SQL UDFs or natural language to translate, summarize, and classify data without leaving the runtime.
Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceRun and build with open AI models locally or in the cloud

Free / Open-sourceGoogle's family of lightweight, open-weight AI models
Free / Open-sourceGoogle's family of lightweight, open-weight AI models

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.

Crowdsourced arena where AI models compete and humans crown the best design output
Crowdsourced arena where AI models compete and humans crown the best design output

Search and inference APIs that give AI models real-time web data

Agent Skills that give your coding agent real design taste
Agent Skills that give your coding agent real design taste
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free / Open-sourceSearch and study millions of public SKILL.md agent skills

Free AI hackathons and a global community for AI builders
Free AI hackathons and a global community for AI builders
The managed vector database and knowledge engine for production AI

Free / Open-sourceServerless, decentralized inference for open-source AI models
Community plugin, rule, and MCP server hub for Cursor
Community plugin, rule, and MCP server hub for Cursor

Free / Open-sourceLightning-fast search engine you can self-host or run in the cloud
Free / Open-sourceLightning-fast search engine you can self-host or run in the cloud