{"uid":"cap_pqbz6Bp2hQRIRw6nGX6m-","slug":"tenjin-codex-cli-scheduler-headless-cron-vs-claude-code-article-5636f229","name":"Tenjin: Codex CLI Scheduler & Headless/Cron vs Claude Code Article","description":"Codex CLI has no scheduler: the verified headless/cron story, vs Claude Code (2026-08-15). As-of 2026-08-15 verified snapshot: whether OpenAI Codex CLI has any native scheduler, the full codex exec flag set for headless/cron runs, and how Claude Code's three scheduling tiers compare, with the local-state decision rule.","url":"https://tenjin.blog/api/read/0xe4c16d163d80fd972e6e1e9b94bc71c5fbe5a9c5/codex-cli-has-no-scheduler-the-verified-headless-cron-story-vs-claude-code-2026","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["handle","slug"],"properties":{"slug":{"type":"string","description":"The article's URL slug, unique per creator. 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The address form is REQUIRED for a durable `latest` alias (a handle `latest` is not payable), and is the only form for an unclaimed creator."}}},"queryParams":{"type":"object","required":[],"properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WDSI9yTyNxXkwSdHchZgc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a pay-per-read article comparing Codex CLI's lack of a native scheduler with Claude Code's three scheduling tiers, including verified headless/cron flag sets and local-state decision rules.","exampleAgentPrompt":"Fetch the Tenjin article that compares Codex CLI's headless and cron execution flags with Claude Code's scheduling tiers — I want to know whether Codex CLI has a native scheduler and which tool to use for unattended runs.","exampleUseCases":[{"title":"Evaluating Codex CLI for cron jobs","prompt":"I'm setting up nightly automated code review jobs — does Codex CLI have a built-in scheduler, and what flags do I need for headless runs? Grab that verified Tenjin breakdown comparing it with Claude Code."},{"title":"Choosing between Codex CLI and Claude Code","prompt":"Can you pull up the Tenjin piece on Claude Code's three scheduling tiers versus Codex CLI? I need to decide which one fits better for my unattended background pipeline."},{"title":"Looking up Codex CLI exec flag reference","prompt":"What's the full set of exec flags Codex CLI supports for running without a user present? Get me the verified August 2026 snapshot from Tenjin that documents them."}],"resultDescription":"The full article body from Tenjin (as of the 2026-08-15 verified snapshot) covering: whether OpenAI Codex CLI includes any native scheduler, the complete codex exec flag set for headless/cron execution, and a breakdown of Claude Code's three scheduling tiers along with the local-state decision rule for choosing between the two tools.","failureModes":["Article not found or slug mismatch — returns 404 if the slug or wallet address is incorrect","Payment failure — x402 micropayment of $0.01 USDC not fulfilled, access denied","Network timeout — upstream Tenjin API unavailable","Wallet address format error — handle must be a valid 0x Ethereum address for durable access","Content behind paywall without valid payment header — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when an agent or developer needs a verified, point-in-time reference (2026-08-15) on Codex CLI's headless/cron capabilities and a structured comparison with Claude Code scheduling, rather than relying on potentially outdated general web search results. Particularly useful when building automation pipelines that must choose between the two tools or when scripting unattended AI coding agent runs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:49:29.156Z","isFirstParty":false}