Model A/B Testing

Compare GPT-4o, Claude, and Gemini side-by-side

Compare AI model responses side by side. Send one prompt to GPT-4o, Claude Sonnet 4, and Gemini 2.0 Flash simultaneously, then compare quality, speed, and token usage. The production pattern for model evaluation and A/B testing.

  • Evaluate model quality for your specific use case before committing to a provider
  • Build model comparison features for AI playgrounds and testing tools
  • Run parallel inference for consensus-based answers or ensemble techniques
  • Benchmark latency and cost across providers for production routing decisions

Tech stack

Vercel AI SDKNext.jsTypeScriptOpenAIAnthropicGoogle AI
npx shadcn@latest add https://shadcnagents.com/r/basics-generate-text-multi-model
3 models