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OpenAI Codex

Autonomous coding agent by OpenAI

Codex is OpenAI's cloud-based autonomous coding agent.

4.4

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Opens official website

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verifiedLast verified 2026-07-18

Token-based rate card verified

OpenAI's current Codex rate card prices usage by input, cached-input, and output tokens and notes that actual consumption varies by task.

Verify source: OpenAI Help Center →

About OpenAI Codex

Codex is OpenAI's coding agent for delegating repository work across cloud, command-line, IDE, and code-review workflows. It can inspect a codebase, edit files, run checks, and return reviewable changes. Access and usage are tied to eligible ChatGPT workspace plans or metered API usage, and the current credit rate card is token-based rather than a fixed number of credits per task.

✅ Pros

+Available across cloud, CLI, IDE, and code-review workflows
+Can inspect repositories, edit files, and run checks
+Supports background delegation and interactive local work
+Fits existing GitHub-centered engineering workflows
+Business and enterprise plans add workspace administration
+Official rate card makes token accounting auditable

❌ Cons

−Token-based credits make task cost variable
−Actual consumption depends on context size and generated output
−Cloud execution may not suit every sensitive repository
−Plan availability and included usage can change
−Teams need usage monitoring and approval rules for autonomous changes

Key Features

Repository Workflows

Codex can inspect a repository, edit files, run checks, and return changes for review.

Multiple Work Surfaces

Cloud, CLI, IDE, and code-review integrations support different delegation styles.

Token-Based Metering

The current official rate card measures input, cached-input, and output tokens; cost therefore varies by task.

Pricing Plans

Eligible ChatGPT plansIncluded usage varies

✓Codex product access by plan
✓additional credits may be available
✓check current plan limits

Business / Enterprise / EduPlan and usage based

✓workspace administration
✓shared or metered agentic usage
✓organization controls

APIToken based

✓input, cached-input, and output pricing
✓model-specific rates
✓usage varies by task

Prices, plan limits, and promotions may change. Verify final pricing on the official site. Last verified: 2026-07-18.

🏆 Our Verdict

Codex is a strong fit for developers and teams already using OpenAI products, especially when repository delegation and review are more valuable than simple code completion. Treat it as metered engineering automation: establish cost visibility, repository permissions, and human review before scaling it across a team.

✅ Best For

Professional software developersEngineering teams on ChatGPT Business/EnterpriseStartups shipping fast with agent helpCI/CD automation and code reviewMulti-agent software workflowsDevelopers wanting cloud sandboxingOrgs needing SOC 2 / admin controls