GitHub Copilot, OpenAI Codex, and Claude Code Compared: Pricing and Features in 2026

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A detailed comparison published in mid-2026 evaluates three leading AI coding tools — GitHub Copilot, OpenAI Codex, and Claude Code — across pricing, models, and usage limits. All three tools repriced in the first half of 2026, shifting from seat-based billing to metered token or credit systems. GitHub Copilot starts at $10/month with AI Credits, Codex is accessible via ChatGPT from $8/month, and Claude Code begins at $20/month with time-based usage windows. Each platform offers free tiers with restricted access, scaling up to $200/month plans for heavy users. The tools differ in environment support and model lineups, with Copilot integrating across multiple editors, Codex tied closely to the ChatGPT ecosystem, and Claude Code designed as a terminal-first agent.

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