Codex vs Amp: Features, Pricing and User Reviews 2026

Codex is included as part of ChatGPT's plans, so pricing depends on which plan you choose.

• Free ($0/month): Limited access to Codex along with basic chat features.

• Go ($8/month): More messages, uploads, and memory, though Codex access stays limited.

• Plus ($20/month): Unlocks expanded Codex usage along with stronger models and more features.

• Pro (from $100/month): Gives the most Codex tasks, top-tier models, and unlimited image creation.

• Business: Costs $20 per user a month billed yearly, or $25 monthly, with a minimum of two users, and includes full Codex access with admin tools.

• Enterprise: Custom pricing that adds advanced security, data controls, and priority support.

Amp offers simple pricing plans built for different needs.

• Megawatt ($20/month): Includes 750 hours of small orb usage plus $20 of agent usage credit, covering low and medium modes.

• Gigawatt ($200/month): Includes everything in Megawatt, plus 1,000 hours of large orb usage, $200 of agent usage credit, and access to every mode, including high and ultra.

• Pay as you go: A flexible option that charges based on actual usage instead of a fixed monthly fee.

• Enterprise: Custom usage based pricing with added features like single sign on, directory sync, zero data retention, and dedicated support.

This range of options lets solo developers and larger teams both find a plan that fits how they work.