OpenAI Codex offers a free tier ("Free"). We are not publishing a free-tier verdict for Windsurf. The page we cite for Windsurf does not name it when we last looked, on 2026-10-08. We are not comparing the two pricing histories.
A verdict here is not a fixed property of the vendor. A one-off pricing event demotes a vendor while its recorded date falls in the last 180 days and then lapses on its own, with nothing about the vendor having changed; a standing condition — a free tier withdrawn and not restored, a product retired — does not lapse with time. A badge carrying a date states the record it rests on; a badge with no date rests on no record in force.
Coding agent by OpenAI. Available with a ChatGPT subscription, including the $0 Free plan, and separately with an API key billed on token use; both routes are current. OpenAI's Codex pricing page lists Free ($0/month, "Explore Codex capabilities on quick coding tasks") and Go ($8/month, "Use Codex for lightweight coding tasks"), both with GPT-6 Luna at Standard speed in the desktop app, subject to rollout. Plus ($20/month) adds Codex on the web, in the CLI, in the IDE extension and on iOS, cloud code review and Slack integrations, and GPT-6 Sol. Pro (from $100/month) gives 5x or 20x more Codex usage than Plus. ChatGPT Business has two seat types, both carrying Codex: Standard at $20/user/mo billed annually ($25 monthly) and Premium at $100/user/mo billed annually ($125 monthly), where Premium buys 5x more usage than Standard and removes the five-hour usage limit. The Codex pricing page we cite lists only the Standard seat — the Premium seat is published on OpenAI's business pricing page. Codex-only pay-as-you-go seats closed to new Business workspaces on 2026-06-24; existing seats continue. With an API key, Codex runs in the CLI, SDK or IDE extension at API prices, without the cloud features.
Windsurf is now Devin Desktop ("Devin Desktop is the new name for Windsurf."), Cognition's AI IDE. windsurf.com/pricing redirects to devin.ai/pricing, which prices it together with Devin. The Free plan ($0) includes a "Light quota to code with agents", "Limited model availability", "Unlimited inline edits" and "Unlimited Tab completions", with quotas that reset daily and weekly. Pro is $20/month, Max $200/month, and Teams "$80/month for team plan + $40/mo per full dev seat"; paid plans can buy extra usage at API list prices. Pro subscribers on the old $15/month price keep it indefinitely.The page we cite for this offer does not name it when we last looked, on 2026-10-08, so we cannot confirm these terms today.
Pricing Change History
OpenAI Codex
deprecatedeffective 2026-10-14medium impact
The GPT-5.5 model retires from ChatGPT, ChatGPT Work and Codex on all plans on 2026-10-14. ChatGPT and Codex keep running: OpenAI names GPT-6 Sol as the replacement on Plus, Pro, Business, Enterprise and Edu plans and GPT-6 Luna on Free and Go plans. The OpenAI API is not affected. Source ↗
new tiereffective 2026-04-02medium impact
OpenAI added Codex-only seats for ChatGPT Business and Enterprise workspaces, with no fixed seat fee, no rate limits and usage billed on token consumption, and cut ChatGPT Business's annual price from $25 to $20 per seat. Standard Business seats, which include Codex with usage limits, continued. Source ↗
Windsurf
rebrandedeffective 2026-06-02low impact
Cognition renamed Windsurf Devin Desktop. Existing Windsurf users kept their plans and prices. Source ↗
restructuredeffective 2026-03-19medium impact
Windsurf replaced credits-based pricing with daily/weekly quotas (Mar 19, 2026). New tiers: Pro $20/mo (was $15), Teams $40/user/month, Max $200/month. Free tier changed from flexible credits to hard quotas. Existing Pro subscribers grandfathered at $15/mo Source ↗
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