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Live API pricing, real-world coding benchmarks, and copy-paste prompts. Updated automatically twice a day.

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The definitive ranking of the best frontier and open-source models, updated daily.

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Prompt Library

The exact prompts we use in the Gauntlet testing suite to benchmark model reasoning, coding, and instruction following.

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Coding

The React Architect

Act as an expert React performance engineer. Review the following component and identify all unnecessary re-renders, memory leaks, or missing memoization hooks. Provide a deeply refactored version of the code prioritizing SOLID principles.
Coding

REST API Scaffold

Generate a production-ready REST API endpoint in Node.js with Express and TypeScript. Include input validation with Zod, proper error handling with custom error classes, rate limiting middleware, and JSDoc comments. Return the response in a consistent { success, data, error } envelope.
Coding

SQL Query Optimizer

You are a senior database engineer. Analyze the following SQL query and its EXPLAIN plan. Identify performance bottlenecks, suggest index optimizations, and rewrite the query for maximum efficiency. Explain the reasoning behind every change. Target PostgreSQL 16.

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