GitHub Copilot vs OpenAI Codex
Prices and limit rules side by side. Use the calculator to see which is cheaper for your token volume.
GitHub Copilot
| Plan | Price (monthly) | Notes | Status |
|---|---|---|---|
| Free | $0 | Limited chat and agent usage | verified |
| Pro | $10/mo | $15/mo of AI credits ($10 base + $5 flex) | verified |
| Pro+ | $39/mo | $70/mo of AI credits ($39 base + $31 flex) | verified |
| Max | $100/mo | $200/mo of AI credits listed in plan table | verified |
Source: https://github.com/features/copilot/plans · Last verified 2026-10-13
Limits
Agent mode, chat, code review, cloud agent and CLI consume GitHub AI Credits (1 credit = $0.01); credits vary by model. Allowance resets monthly. Completions and next-edit suggestions are unlimited on paid plans. Free: 2,000 completions + 50 chat requests. Past the allowance: set a paid-usage budget or switch to a cheaper model.
OpenAI Codex
| Plan | Price (monthly) | Notes | Status |
|---|---|---|---|
| Free / Go | $0 | Limited Codex access (Go price not shown on official page text) | verified |
| Plus | $20/mo | Codex on web, CLI, IDE, iOS | verified |
| Pro 100 | $100/mo | No 5-hour limit | verified |
| Pro 200 | $200/mo | More usage than Pro 100 (source: help.openai.com/en/articles/9793128) | verified |
| Pro 500 | $500/mo | Highest usage; Ultrafast mode | verified |
| Business (Standard seat) | $25/mo | $20/mo annual; source openai.com/api/pricing (business page) | verified |
Source: https://learn.chatgpt.com/docs/pricing · Last verified 2026-10-13
Limits
Plus: rolling 5-hour window plus possible weekly limits. OpenAI's estimate for Plus is 15-160 local GPT-6.1 Sol messages, 5-45 GPT-6 Astra, or 350-3,000 GPT-6 Luna messages per 5 hours. Pro plans currently have no 5-hour limit (weekly limits may apply). Credits can extend usage; Codex CLI can also run on an API key at API prices.