Free AI model database and comparison tool — GPT-4, Claude, Gemini, Llama, Mistral, and 40+ LLMs side-by-side.

Use GPT0X live

GPT0X is a searchable database of 40+ AI models from OpenAI, Anthropic, Google, Meta, Mistral, and more. Compare GPT-4, Claude, Gemini, Llama, and other models by parameters, context window, release date, and open-source status. Filter, sort, and find the right model for your project in seconds — no sign-up required.

• Database of 40+ AI models with detailed specifications
• Filter by modality: text, image, audio, multimodal
• Filter by provider: OpenAI, Anthropic, Google, Meta, Mistral, Cohere, and more
• Filter by open-source vs. closed-source status
• Sortable columns for every specification field
• Detailed model cards showing context window, parameters, pricing, and release date
• Quick search with instant results
• Cross-links to each provider's official documentation
• 100% client-side — no data leaves your browser
• MIT licensed
• No signup, no tracking

• Pure HTML, CSS, and vanilla JavaScript
• No build step
• No external dependencies (except Google Fonts on some pages)
• Hosted on GitHub Pages with Cloudflare CDN

GPT0X is part of Zovo Tools — free developer tools by a solo developer. No tracking, no signup, no nonsense.

Other tools in the network:

• HeyTensor — PyTorch tensor shape calculator
• EpochPilot — Timestamp, timezone, and cron tools
• KappaKit — Developer toolkit (Base64, JWT, hash, regex)
• LochBot — Prompt injection vulnerability checker
• ABWex — A/B test significance calculator
• KickLLM — LLM cost calculator
• Gen8X — Color palette generator with WCAG checks
• ML3X — Matrix calculator
• ML0X — Machine learning cheat sheet generator
• Enhio — Text enhancement utilities
• Krzen — Image compression
• Kappafy — JSON formatter and explorer
• LockML — Open source ML model comparison
• InvokeBot — Webhook testing
• ClaudHQ — Claude prompt library
• ClaudKit — Claude API utilities
• ClaudFlow — AI workflow builder

MIT licensed.

Built and maintained by Michael Lip. For questions or feedback: [email protected]