{"licence":"CC BY 4.0","licenceUrl":"https://creativecommons.org/licenses/by/4.0/","citation":"Ambera Forge, Coding interview prep, October 2026","report":"https://forge.ambera.app/sectors/coding-interview-prep/2026-10","note":"Counts are over the companies Forge read in this sector during the month, each with its denominator. Themes and capabilities are the words the reading listed; a theme with no declared match shares no word with anything a company declares, which is not the same as no product doing it. Carried market-size figures are their publishers’ and are not redistributed here.","version":2,"monthKey":"2026-10","sector":{"slug":"coding-interview-prep","name":"Coding interview prep","scope":"Practice problems and mock interviews for software engineering hiring loops."},"coverage":{"entities":7,"readEntities":7,"neverRead":0,"readInMonth":7,"lastReadAt":"2026-10-05T06:16:49.944Z"},"withheldReason":null,"declaredCapabilities":[{"name":"Advanced plagiarism detection","listing":1,"denominator":7,"entityIds":["cmuohgh2c00k9ofmy3ytg9ug0"]},{"name":"AI coding agent (Ask Leet)","listing":1,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb"]},{"name":"AI Fluency evaluation","listing":1,"denominator":7,"entityIds":["cmuohgh2c00k9ofmy3ytg9ug0"]},{"name":"AI interviewer","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"]},{"name":"AI interviewer with feedback","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"]},{"name":"AI Proctoring & Identity Verification","listing":1,"denominator":7,"entityIds":["cmuohgh2c00k9ofmy3ytg9ug0"]},{"name":"AI-Assisted IDE","listing":1,"denominator":7,"entityIds":["cmuohgh2c00k9ofmy3ytg9ug0"]},{"name":"AI-detection evasion (\"humanizer\")","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"]},{"name":"AI-driven coding interview practice","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"]},{"name":"anonymous mock interviews with FAANG engineers","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"]},{"name":"anonymous practice sessions","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"]},{"name":"ATS/calendar integrations","listing":1,"denominator":7,"entityIds":["cmuohgh2c00k9ofmy3ytg9ug0"]},{"name":"automated mock interviews","listing":1,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb"]},{"name":"behavioral + technical coaching","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"]},{"name":"BlockchainExpert","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"]},{"name":"Built-in browser code editor","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"]},{"name":"Certified assessments (Enterprise)","listing":1,"denominator":7,"entityIds":["cmuohgh2c00k9ofmy3ytg9ug0"]},{"name":"code autocomplete","listing":1,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb"]},{"name":"company-branded interviewer matching","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"]},{"name":"company-tagged questions","listing":1,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb"]},{"name":"credit/package pricing","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"]},{"name":"curated algorithms problem set with video explanations","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"]},{"name":"Curated practice problems","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"]},{"name":"dedicated coaching packages","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"]},{"name":"Discuss community","listing":1,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb"]},{"name":"FAANG-verified interviewers","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"]},{"name":"free peer practice tier","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"]},{"name":"Free roadmaps (NeetCode 150/250/All)","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"]},{"name":"FrontendExpert","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"]},{"name":"global hotkey control","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"]},{"name":"InfraExpert","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"]},{"name":"instant AI-generated code solutions","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"]},{"name":"invisible desktop overlay","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"]},{"name":"iOSExpert","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"]},{"name":"Large question library (up to 7,500+)","listing":1,"denominator":7,"entityIds":["cmuohgh2c00k9ofmy3ytg9ug0"]},{"name":"live human mock interviews","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"]},{"name":"MLExpert","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"]},{"name":"mobile app","listing":1,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb"]},{"name":"mock interview tool with shared code editor","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"]},{"name":"multi-language code output","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"]},{"name":"Multi-language code solutions","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"]},{"name":"official editorial solutions","listing":1,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb"]},{"name":"peer-to-peer free mocks","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"]},{"name":"Private Discord community","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"]},{"name":"real-time transcription of interview questions","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"]},{"name":"recorded session replays","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"]},{"name":"Screen + Interview modules","listing":1,"denominator":7,"entityIds":["cmuohgh2c00k9ofmy3ytg9ug0"]},{"name":"system design practice","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"]},{"name":"SystemsExpert systems-design course","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"]},{"name":"technical interview practice fellowship","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"]},{"name":"Video courses (DSA, system design)","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"]},{"name":"weekly/biweekly contests","listing":1,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb"]},{"name":"written feedback reports","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"]},{"name":"Written/detailed guides","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"]}],"complaintThemes":[{"name":"Price level","listing":6,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb","cmuohggtn00k3ofmyrce52o9w","cmuohggwj00k5ofmy46w9iwzb","cmuohggzo00k7ofmy3s8rgtw0","cmuohgh2c00k9ofmy3ytg9ug0","cmuohgh7j00kdofmy8fdlfgst"],"phrases":["high cost of paid mock sessions","high per-session cost","Inconsistent third-party pricing reporting","opaque/unpublished pricing","price feels steep for casual learners","pricing increasingly complex/expensive","pricing perceived as expensive for small teams"]},{"name":"Free tier, trial and paywalled features","listing":3,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb","cmuohggtn00k3ofmyrce52o9w","cmuohggwj00k5ofmy46w9iwzb"],"phrases":["no free tier","Overlap with free YouTube content questioned","paywall on large portion of problems","premium doesn't unlock new problems, just filtering"]},{"name":"Usage limits and caps","listing":3,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb","cmuohggzo00k7ofmy3s8rgtw0","cmuohgh2c00k9ofmy3ytg9ug0"],"phrases":["attempt caps with costly overage fees ($20/attempt)","low volume of practice per dollar spent","mock interviews don't hide problem names or limit attempts"]},{"name":"Accuracy and output quality","listing":2,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0","cmuohgh7j00kdofmy8fdlfgst"],"phrases":["inconsistent peer mock quality","variance in interviewer quality"]},{"name":"Billing, fees and cancellation","listing":2,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb","cmuohggwj00k5ofmy46w9iwzb"],"phrases":["no refund policy","no refunds policy"]},{"name":"Complexity, setup and learning curve","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"],"phrases":["No dependency-ordered learning path"]},{"name":"Content and catalog depth","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"],"phrases":["Limited advanced system design content"]},{"name":"difficulty sustaining practice while working full-time","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"],"phrases":["difficulty sustaining practice while working full-time"]},{"name":"fairness/double-standard when recruiters themselves use AI","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"],"phrases":["fairness/double-standard when recruiters themselves use AI"]},{"name":"feature deprecation (Engage candidate sourcing)","listing":1,"denominator":7,"entityIds":["cmuohgh2c00k9ofmy3ytg9ug0"],"phrases":["feature deprecation (Engage candidate sourcing)"]},{"name":"lack of company-specific insider feedback","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"],"phrases":["lack of company-specific insider feedback"]},{"name":"LeetCode grind burnout","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"],"phrases":["LeetCode grind burnout"]},{"name":"limited to technical interviews only","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"],"phrases":["limited to technical interviews only"]},{"name":"measuring progress by streaks/problem count rather than skill","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"],"phrases":["measuring progress by streaks/problem count rather than skill"]},{"name":"no AI tools","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"],"phrases":["no AI tools"]},{"name":"No mock interview / code-pairing tool","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"],"phrases":["No mock interview / code-pairing tool"]},{"name":"promotional/astroturfed recommendations on forums","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"],"phrases":["promotional/astroturfed recommendations on forums"]},{"name":"scheduling/waitlist friction","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"],"phrases":["scheduling/waitlist friction"]},{"name":"small problem set vs LeetCode","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"],"phrases":["small problem set vs LeetCode"]},{"name":"Thin coverage of niche advanced topics","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"],"phrases":["Thin coverage of niche advanced topics"]},{"name":"uncertain ROI of paid platforms","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"],"phrases":["uncertain ROI of paid platforms"]},{"name":"unpaid take-home assessments feel exploitative","listing":1,"denominator":7,"entityIds":["cmuohgh5200kbofmyb34rvj1w"],"phrases":["unpaid take-home assessments feel exploitative"]},{"name":"videos only in Python","listing":1,"denominator":7,"entityIds":["cmuohggwj00k5ofmy46w9iwzb"],"phrases":["videos only in Python"]}],"complaintVocabularyVersion":2,"whiteSpace":{"rows":[{"theme":{"name":"Price level","listing":6,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb","cmuohggtn00k3ofmyrce52o9w","cmuohggwj00k5ofmy46w9iwzb","cmuohggzo00k7ofmy3s8rgtw0","cmuohgh2c00k9ofmy3ytg9ug0","cmuohgh7j00kdofmy8fdlfgst"],"phrases":["high cost of paid mock sessions","high per-session cost","Inconsistent third-party pricing reporting","opaque/unpublished pricing","price feels steep for casual learners","pricing increasingly complex/expensive","pricing perceived as expensive for small teams"]},"declared":[{"name":"credit/package pricing","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"],"sharedWords":["pricing"]}],"answeredBy":"price"},{"theme":{"name":"Usage limits and caps","listing":3,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb","cmuohggzo00k7ofmy3s8rgtw0","cmuohgh2c00k9ofmy3ytg9ug0"],"phrases":["attempt caps with costly overage fees ($20/attempt)","low volume of practice per dollar spent","mock interviews don't hide problem names or limit attempts"]},"declared":[{"name":"credit/package pricing","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"],"sharedWords":["credit"]}],"answeredBy":"price"},{"theme":{"name":"Free tier, trial and paywalled features","listing":3,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb","cmuohggtn00k3ofmyrce52o9w","cmuohggwj00k5ofmy46w9iwzb"],"phrases":["no free tier","Overlap with free YouTube content questioned","paywall on large portion of problems","premium doesn't unlock new problems, just filtering"]},"declared":[{"name":"free peer practice tier","listing":1,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0"],"sharedWords":["free"]},{"name":"Free roadmaps (NeetCode 150/250/All)","listing":1,"denominator":7,"entityIds":["cmuohggtn00k3ofmyrce52o9w"],"sharedWords":["free"]},{"name":"peer-to-peer free mocks","listing":1,"denominator":7,"entityIds":["cmuohgh7j00kdofmy8fdlfgst"],"sharedWords":["free"]}],"answeredBy":"price"},{"theme":{"name":"Accuracy and output quality","listing":2,"denominator":7,"entityIds":["cmuohggzo00k7ofmy3s8rgtw0","cmuohgh7j00kdofmy8fdlfgst"],"phrases":["inconsistent peer mock quality","variance in interviewer quality"]},"declared":[],"answeredBy":"capability"},{"theme":{"name":"Billing, fees and cancellation","listing":2,"denominator":7,"entityIds":["cmuohggr000k1ofmyoes3zagb","cmuohggwj00k5ofmy46w9iwzb"],"phrases":["no refund policy","no refunds policy"]},"declared":[],"answeredBy":"price"}],"unansweredCount":1,"belowFloor":18},"entities":[{"id":"cmuohggr000k1ofmyoes3zagb","slug":"leetcode","name":"LeetCode","kind":"competitor","site":"https://leetcode.com","lastWatchedAt":"2026-10-05T06:16:49.944Z","addedBy":"definition"},{"id":"cmuohggtn00k3ofmyrce52o9w","slug":"neetcode","name":"NeetCode","kind":"competitor","site":"https://neetcode.io","lastWatchedAt":"2026-10-01T06:19:47.329Z","addedBy":"definition"},{"id":"cmuohggwj00k5ofmy46w9iwzb","slug":"algoexpert","name":"AlgoExpert","kind":"competitor","site":"https://algoexpert.io","lastWatchedAt":"2026-10-01T06:19:47.329Z","addedBy":"definition"},{"id":"cmuohggzo00k7ofmy3s8rgtw0","slug":"interviewing-io","name":"interviewing.io","kind":"competitor","site":"https://interviewing.io","lastWatchedAt":"2026-10-01T06:19:47.329Z","addedBy":"definition"},{"id":"cmuohgh2c00k9ofmy3ytg9ug0","slug":"hackerrank","name":"HackerRank","kind":"adjacent","site":"https://hackerrank.com","lastWatchedAt":"2026-10-01T06:19:47.329Z","addedBy":"definition"},{"id":"cmuohgh5200kbofmyb34rvj1w","slug":"interviews-in-the-age-of-ai-assistants","name":"Interviews in the age of AI assistants","kind":"discourse","site":null,"lastWatchedAt":"2026-10-01T06:19:47.329Z","addedBy":"definition"},{"id":"cmuohgh7j00kdofmy8fdlfgst","slug":"engineers-between-jobs","name":"Engineers between jobs","kind":"segment","site":null,"lastWatchedAt":"2026-10-05T06:16:49.944Z","addedBy":"definition"}],"entrants":{"placed":[],"sighted":[{"name":"Aced (formerly Exponent/Pramp)","kind":"competitor","site":"https://www.tryexponent.com/","sourceUrl":"https://dev.to/hamzaibrahim49/best-ai-mock-interview-tools-for-software-engineers-in-2026-prices-checked-from-someone-who-built-2e86","firstSeenAt":"2026-10-05T06:16:31.526Z"},{"name":"DevInterview.AI","kind":"competitor","site":"https://devinterview.ai/","sourceUrl":"https://devinterview.ai/compare/best-ai-tools-for-coding-interviews","firstSeenAt":"2026-10-05T06:16:31.526Z"},{"name":"Intervu.dev","kind":"competitor","site":"https://intervu.dev/","sourceUrl":"https://intervu.dev/blog/coding-interview-prep-tools/","firstSeenAt":"2026-10-05T06:16:31.526Z"}]},"entries":{"observed":28,"inference":3,"sourceBroken":2,"byTag":[{"tag":"FACT","count":12},{"tag":"COMPANY CLAIM","count":5},{"tag":"USER OPINION","count":11}],"byCategory":[{"category":"PRODUCT","count":9},{"category":"PRICING","count":8},{"category":"DISCOURSE","count":7},{"category":"COMPLAINT","count":4}]},"pricing":{"readEntities":7,"withPricing":5,"changesInMonth":8,"companiesChangedInMonth":5,"withheldReason":null,"companies":[{"entityId":"cmuohggr000k1ofmyoes3zagb","name":"LeetCode","kind":"competitor","site":"https://leetcode.com","changesInMonth":2,"latest":{"claim":"LeetCode Premium is priced at $35/month or $159/year, with a free tier offering most of the 3,000+ problem bank, contests, and the Discuss community.","tag":"COMPANY CLAIM","sourceUrl":"https://www.softwaresuggest.com/leetcode/pricing","observedAt":"2026-10-05T06:16:49.944Z"}},{"entityId":"cmuohgh7j00kdofmy8fdlfgst","name":"Engineers between jobs","kind":"segment","site":null,"changesInMonth":1,"latest":{"claim":"Interviewing.io's published pricing (as of Jan 2026) runs $150-225 per single session depending on interviewer level, with system design sessions costing more, plus multi-session packages.","tag":"FACT","sourceUrl":"https://dev.to/alex_hunter_44f4c9ed6671e/best-mock-interview-platforms-in-2026-free-and-paid-options-compared-i80","observedAt":"2026-10-05T06:16:49.944Z"}},{"entityId":"cmuohggtn00k3ofmyrce52o9w","name":"NeetCode","kind":"competitor","site":"https://neetcode.io","changesInMonth":2,"latest":{"claim":"NeetCode Pro is currently offered in two tiers on the vendor's own pricing page: Lifetime at $297 (struck-through list price $599), and One-Year Access at $119 (struck-through list price $199) with auto-renew off by default and future content included in both.","tag":"FACT","sourceUrl":"https://neetcode.io/pro","observedAt":"2026-10-01T06:19:47.329Z"}},{"entityId":"cmuohggwj00k5ofmy46w9iwzb","name":"AlgoExpert","kind":"competitor","site":"https://algoexpert.io","changesInMonth":2,"latest":{"claim":"As of 20 August 2026, AlgoExpert's public purchase page offers only one SKU — 'All Access' at $119 for one year, bundling AlgoExpert, SystemsExpert, FrontendExpert, MLExpert, InfraExpert, iOSExpert and BlockchainExpert — against a displayed list price of $693, with no standalone single-product tier visible on the page.","tag":"FACT","sourceUrl":"https://lastroundai.com/blog/algoexpert-vs-leetcode-vs-neetcode","observedAt":"2026-10-01T06:19:47.329Z"}},{"entityId":"cmuohgh2c00k9ofmy3ytg9ug0","name":"HackerRank","kind":"adjacent","site":"https://hackerrank.com","changesInMonth":1,"latest":{"claim":"HackerRank publishes three tiers verified against its own pricing page: Starter $165/mo ($1,990/yr, 1 user, 2,000+ questions, 120 attempts/year), Pro $375/mo ($4,490/yr, unlimited users, 4,000+ questions, 300 attempts/year), and custom Enterprise with the full 7,500+ question library and 40+ integrations.","tag":"COMPANY CLAIM","sourceUrl":"https://interviewcost.com/hackerrank-cost","observedAt":"2026-10-01T06:19:47.329Z"}},{"entityId":"cmuohggzo00k7ofmy3s8rgtw0","name":"interviewing.io","kind":"competitor","site":"https://interviewing.io","changesInMonth":0,"latest":null},{"entityId":"cmuohgh5200kbofmyb34rvj1w","name":"Interviews in the age of AI assistants","kind":"discourse","site":null,"changesInMonth":0,"latest":null}]},"funding":{"quartersConsidered":8,"readQuarters":1,"totalRounds":0,"currencies":[],"withheldReason":"Withheld: something was read in 1 of the last 8 quarters. A series needs at least 2 to say anything a single reading does not.","quarters":[]},"marketSize":{"readAt":null,"publishers":[]}}