{"uid":"cap_lCMsooXBxTZv4zXktsfwZ","slug":"crucible-code-compare-multi-language-parallel-execution-68ca1600","name":"Crucible Code Compare — Multi-Language Parallel Execution","description":"7 endpoints for code execution in 60+ languages. Pay per request via x402 on Base chain.","url":"https://crucible-lovat.vercel.app/api/compare","method":"POST","headers":{},"bodySchema":{"type":"object","required":["languages"],"properties":{"languages":{"type":"array","description":"Array of language+code pairs to run"}}},"responseSchema":{"type":"object","required":["success"],"properties":{"data":{"type":"object","properties":{"count":{"type":"number"},"results":{"type":"array"}}},"success":{"type":"boolean"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vWrbfDZTKw34Pyn3_gnCL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs the same logic in multiple programming languages simultaneously and returns all results for comparison","exampleAgentPrompt":"Run this Fibonacci function in Python, JavaScript, and Go and show me all three outputs side by side so I can compare how each language handles it: `def fib(n): return n if n <= 1 else fib(n-1)+fib(n-2)`","exampleUseCases":[{"title":"Cross-language sorting algorithm check","prompt":"I just ported my quicksort algorithm from Python to Rust and Go — can you run all three versions simultaneously and compare the outputs so I can confirm they produce identical results for the input [5, 3, 8, 1, 9, 2]?"},{"title":"Edge case handling across languages","prompt":"I want to see how Python, JavaScript, and Java each handle integer overflow when I multiply two very large numbers together — run the same multiplication in all three and show me what each one returns."},{"title":"Benchmark string parsing performance","prompt":"Run this CSV parsing snippet in Python, Ruby, and Go at the same time and show me all the outputs side by side — I want to see if any of them produce different results or handle the edge cases differently before I decide which language to use for the project."}],"resultDescription":"Returns a JSON object with a success boolean, the count of language executions that ran, and an array of results — one per language-code pair — each containing the output or error from that execution environment","failureModes":["Unsupported language identifier causes execution failure for that pair","Syntax error in submitted code returns error in that language's result slot","Timeout if code runs too long or enters infinite loop","Empty languages array returns success but zero results","Payment failure on Base chain blocks the request before execution","Malformed request body missing required languages array returns 400"],"whenToPreferThis":"Choose this endpoint when you need to run and compare the same logic across multiple programming languages in a single request — ideal for cross-language consistency checks, polyglot benchmarking, or validating that a ported algorithm produces identical results. Prefer this over the single-language execution endpoint when comparison across 2+ languages is the goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:43:09.394Z","isFirstParty":false}