Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. NovelAI records 5,312,740 monthly visits with +4.9% growth and Free Trial pricing.
Battle-test AI coding models side by side
Anime AI art and long-form storytelling in one creative suite
| Dimension / Metric | | |
|---|---|---|
| Official Domain | arena.ai | novelai.net |
| Pricing Model | Free | Free Trial |
| Monthly Visits | 35.83M (35,827,928) | 5.31M (5,312,740) |
| MoM Traffic Delta | +5.83M (+19.4%) | +247.85K (+4.9%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🇯🇵 Japan (36.5%) |
| Direct Visits / mo | 24.34M | 3.89M |
| User Rating | 4.7 | 4.5 |
| 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.
Anime AI art and long-form storytelling in one creative suite
Generate original characters, scenes and full comic pages with NovelAI Diffusion V5, tuned specifically for anime and manga aesthetics.
Write novels, worlds and characters with a text model designed to collaborate rather than write over you, with memory that keeps long stories coherent.
Inpaint specific areas, adjust poses, lighting and clothing, or sketch on a built-in canvas and let the model finish the art.
Define characters and their actions separately so they stay consistent across panels and scenes.
Features extensive community roleplay bots and custom LLM routing, but lacks NovelAI's native novel-writing interface.
Features extensive community roleplay bots and custom LLM routing, but lacks NovelAI's native novel-writing interface.
SpecialistFocuses on unfiltered character chat and roleplay, but lacks NovelAI's robust tools for drafting long-form novels.
SpecialistFocuses on unfiltered character chat and roleplay, but lacks NovelAI's robust tools for drafting long-form novels.
SpecialistBrings together diverse multi-model art creation tools, though it does not provide NovelAI's specialized writing interface.
SpecialistBrings together diverse multi-model art creation tools, though it does not provide NovelAI's specialized writing interface.
SpecialistProvides a massive library of community-trained anime models, but lacks NovelAI's advanced long-form text generation features.
SpecialistProvides a massive library of community-trained anime models, but lacks NovelAI's advanced long-form text generation features.
SpecialistDelivers professional-grade fine-tuned image generation and art editing, but omits NovelAI's long-form text storytelling models.
SpecialistDelivers professional-grade fine-tuned image generation and art editing, but omits NovelAI's long-form text storytelling models.
SpecialistSpecializes in uncensored adult fiction and erotica generation, but lacks NovelAI's broader creative writing and art tools.
SpecialistSpecializes in uncensored adult fiction and erotica generation, but lacks NovelAI's broader creative writing and art tools.
Offers strong narrative roleplay and fiction generation, but lacks NovelAI's dedicated anime image generation suite.
Offers strong narrative roleplay and fiction generation, but lacks NovelAI's dedicated anime image generation suite.
Excels at long-form novel plotting and prose revision, but doesn't include NovelAI's anime art creation tools.
Excels at long-form novel plotting and prose revision, but doesn't include NovelAI's anime art creation tools.
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
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
