OpenAI launched a new $100/month ChatGPT Pro tier that delivers 5x the Codex usage of the $20/month Plus plan, targeting developers running long, compute-heavy coding sessions.
The move is a direct response to Anthropic's Claude Code, which has built real momentum among developers. The new tier matches Anthropic's own $100/month Max plan price-for-price, and slots between Plus at $20 and the existing $200 Pro tier, meaning OpenAI now has two separate offerings both called 'Pro' at different price points.
The pricing collision and the Codex-versus-Claude-Code framing are worth reading in full: the competitive dynamics here are shaping how both companies structure access to their most capable agentic coding tools, and the usage limits underneath these tiers tell you more about each model's real cost than any benchmark ever will.
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