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Benchmarks: Safe Parsing, Strict Parsing, Loose Assertion, Strict Assertion.","position":2,"markdown":"# Runtype Benchmarks\n\n[Star](https://github.com/moltar/typescript-runtime-type-benchmarks) [Fork](https://github.com/moltar/typescript-runtime-type-benchmarks/fork)\n\nBenchmark Comparison of Packages with Runtime Validation and TypeScript Support\n\nBenchmarks:\n\nSafe Parsing\n\nStrict Parsing\n\nLoose Assertion\n\nStrict Assertion\n\nNode.js Versions:\n\nv24.14.0\n\nv23.11.1\n\nv22.22.1\n\nv21.7.3\n\nv20.20.1\n\nBun Versions:\n\n1.2.12\n\nDeno Versions:\n\n2.1.9\n\nSort:FastestAlphabeticallyPopularity\n\nts-runtime-checks@sinclair/typebox-(ahead-of-time)ts-auto-guardtypiaspectypestype-predicate-generatorstnl (just-in-time)@sinclair/typebox-(just-in-time)rescript-schema@sinclair/typemap/zod@sinclair/typemap/valibotsuryarktypepure-parse (JIT compiled)suretypets-json-validatorajvdeepkitjet-validatorszod4valitaunknownutilpaserito-typedts-interface-checkerpure-parsesimple-runtypes$mol\\_dataio-tsmyzodbanditypescleaners@mojotech/json-type-validation@sinclair/typebox-(dynamic)parse-dont-validate (named parameters)purify-tstiny-schema-validatorr-assign@typeofweb/schemaeffect-schemajson-decodercomputed-typesvalibotrulrtoiaeriasucculenttsonzodjointzparse-dont-validate (chained function)mondrian-frameworkbuenodecodersts-utils@sapphire/shapeshiftjoivalitycaketypeok-computersuperstructruntypesclass-transformer-validator-syncyup05,000,00010,000,00015,000,00020,000,00025,000,00030,000,00035,000,00040,000,00045,000,00050,000,00055,000,00060,000,00065,000,00070,000,00075,000,00080,000,00085,000,00090,000,000operations / sec(better ▶)29,613,64728,814,07384,117,119082,576,94733,116,1970082,080,26000078,569,98932,851,06231,115,86179,590,06834,761,13926,816,71077,879,22024,922,55576,509,00600072,951,54100070,275,28229,685,2140060,969,09424,686,43062,664,92522,719,08062,459,59129,872,3100062,059,53529,267,4630061,522,93924,432,87860,672,72124,097,01053,503,52200025,529,7338,314,69050,543,853045,103,86600044,914,59000036,025,38619,754,033004,686,49327,512,5820014,415,9545,884,8045,879,7785,861,7146,911,0953,682,9273,686,0353,143,0776,160,1146,076,6126,359,6155,284,4313,981,9304,025,8025,825,14305,686,5725,603,4565,668,9835,666,6684,663,2793,632,487135,9863,273,7674,116,1320003,054,3712,378,7593,856,36402,952,9563,426,8543,357,21003,268,4993,288,711003,013,4831,327,559002,464,6442,876,9572,902,46102,798,4082,826,674002,680,9650002,505,4220002,339,6561,951,933002,253,6150001,981,7370001,890,3181,892,033001,801,7721,568,5221,824,2671,559,5201,703,5191,715,628001,692,122357,8761,512,068341,4651,660,1120001,629,8771,257,9371,254,61601,426,2591,080,9181,424,4831,080,3391,415,4510001,151,8531,163,958001,050,6111,071,3141,040,1101,073,234546,918981,256549,8650909,145945,197970,773967,159842,570751,390760,054759,536679,983674,076839,3480709,119000596,598544,799617,648543,582319,662322,818514,788521,866397,412245,091244,6440320,115000314,970301,580282,340303,713263,328265,476264,663244,047250,953236,555248,184236,260188,972247,412187,6830212,056226,96100177,102222,964178,1220174,58800098,63900092,74390,15100\n\n#### Safe Parsing\n\nCheck the input object against a schema and return it.\n\nRaise an error if the input object does not conform to the schema, e.g. an attribute is a number instead of a string or an attribute is missing completely.\n\nAny extra keys in the input object that are not defined in the schema must be removed.\n\n#### Strict Parsing\n\nLike safe parsing but raise an error if input objects contain extra keys.\n\n#### Loose Assertion\n\nCheck the input object against a schema and raise an exception if it does not match.\n\nNo errors are raised when encountering extra keys.\n\n#### Strict Assertion\n\nLike loose assertion but raise an error if input objects or nested input objects contain extra keys.","metadata":{"title":"Runtype Benchmarks","color-scheme":"dark light","viewport":"width=device-width, initial-scale=1.0","description":"Benchmark Comparison of Packages with Runtime Validation and TypeScript Support.","language":"en","scrapeId":"019d3957-f100-70b9-9870-20e4d739ea17","sourceURL":"https://moltar.github.io/typescript-runtime-type-benchmarks/","url":"https://moltar.github.io/typescript-runtime-type-benchmarks/","statusCode":200,"contentType":"text/html; charset=utf-8","timezone":"America/New_York","proxyUsed":"basic","cacheState":"miss","indexId":"0a28c8ab-850b-4de8-bfd0-7bcbd8749b2e","creditsUsed":1}},{"url":"https://medium.com/@mernstackdevbykevin/typescript-vs-javascript-in-2026-is-plain-js-still-enough-58adf989740f","title":"TypeScript vs JavaScript in 2026 — Is Plain JS Still Enough? - Medium","description":"TypeScript or JavaScript in 2026? We break down what's changed, what it actually costs to stay on plain JS, and when TypeScript is no longer ...","position":3,"markdown":"[Sitemap](https://medium.com/sitemap/sitemap.xml)\n\n[Open in app](https://play.google.com/store/apps/details?id=com.medium.reader&referrer=utm_source%3DmobileNavBar&source=post_page---top_nav_layout_nav-----------------------------------------)\n\nSign up\n\n[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40mernstackdevbykevin%2Ftypescript-vs-javascript-in-2026-is-plain-js-still-enough-58adf989740f&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)\n\n[Medium Logo](https://medium.com/?source=post_page---top_nav_layout_nav-----------------------------------------)\n\nGet app\n\n[Write](https://medium.com/m/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav------------------)\n\n[Search](https://medium.com/search?source=post_page---top_nav_layout_nav-----------------------------------------)\n\nSign up\n\n[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40mernstackdevbykevin%2Ftypescript-vs-javascript-in-2026-is-plain-js-still-enough-58adf989740f&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)\n\n\n\nMember-only story\n\n# TypeScript vs JavaScript in 2026 — Is Plain JS Still Enough?\n\n[](https://medium.com/@mernstackdevbykevin?source=post_page---byline--58adf989740f---------------------------------------)\n\n[Kevin - MERN Stack Developer](https://medium.com/@mernstackdevbykevin?source=post_page---byline--58adf989740f---------------------------------------)\n\nFollow\n\n4 min read\n\n·\n\n5 days ago\n\n50\n\n[Listen](https://medium.com/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2Fplans%3Fdimension%3Dpost_audio_button%26postId%3D58adf989740f&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40mernstackdevbykevin%2Ftypescript-vs-javascript-in-2026-is-plain-js-still-enough-58adf989740f&source=---header_actions--58adf989740f---------------------post_audio_button------------------)\n\nShare\n\n**_The web ecosystem has voted. But the real question isn’t which one is better — it’s whether you can still afford to ignore TypeScript._**\n\n**JavaScript built the modern web. And TypeScript is gradually stealing it.** If you were still unreliable to switch in 2026, the ecosystem has begun making the decision for you.\n\nThis is not a post on the language war An uncompromising view of what this looks like on both sides and what it really costs to keep stuck on plain JS in 2019.\n\nPress enter or click to view image in full size\n\n\n\n## The Numbers Don’t Lie\n\nTypeScript placed third overall in the programming languages used last year in the 2024 Stack Overflow Developer Survey — ahead of Java, but behind Python and JavaScript. Even more telling, it continues to be one of the most loved languages from year-to-year.\n\nMore importantly, in 2026, most new React, Next. js, and for full-stack Node projects it’s created scaffolded with TypeScript out of the box. 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We break down what's changed, what it actually costs to stay on plain JS, and when TypeScript is no longer optional.","author":"Kevin - MERN Stack Developer","ogUrl":"https://medium.com/@mernstackdevbykevin/typescript-vs-javascript-in-2026-is-plain-js-still-enough-58adf989740f","al:ios:url":"medium://p/58adf989740f","og:url":"https://medium.com/@mernstackdevbykevin/typescript-vs-javascript-in-2026-is-plain-js-still-enough-58adf989740f","al:ios:app_name":"Medium","viewport":"width=device-width,minimum-scale=1,initial-scale=1,maximum-scale=1","publishedTime":"2026-03-23T12:47:39.075Z","og:image":"https://miro.medium.com/v2/resize:fit:1200/1*ZLA9OtU4v4Tzr1nw6YIdiQ.png","title":"TypeScript vs JavaScript in 2026 — Is Plain JS Still Enough for Production? | Medium","twitter:image:src":"https://miro.medium.com/v2/resize:fit:1200/1*ZLA9OtU4v4Tzr1nw6YIdiQ.png","fb:app_id":"542599432471018","al:web:url":"https://medium.com/@mernstackdevbykevin/typescript-vs-javascript-in-2026-is-plain-js-still-enough-58adf989740f","article:published_time":"2026-03-23T12:47:39.075Z","al:ios:app_store_id":"828256236","twitter:title":"TypeScript vs JavaScript in 2026 — Is Plain JS Still Enough?","twitter:card":"summary_large_image","og:site_name":"Medium","twitter:app:name:iphone":"Medium","ogTitle":"TypeScript vs JavaScript in 2026 — Is Plain JS Still Enough?","og:title":"TypeScript vs JavaScript in 2026 — Is Plain JS Still Enough?","ogDescription":"The web ecosystem has voted. 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