OpenAI launches $100 ChatGPT Pro plan as Codex usage surges 70% month-over-month

Reviewed byNidhi Govil

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OpenAI unveiled a new $100-per-month ChatGPT Pro tier designed specifically for developers using its Codex AI coding tool. The middle-tier option offers 5x higher usage limits than the $20 Plus plan, addressing surging demand as Codex reaches over 3 million weekly users. The move puts OpenAI in direct competition with Anthropic's similarly priced Claude offering.

OpenAI Introduces New $100/Month Subscription for Growing Codex Demand

OpenAI has launched a new $100/month subscription tier for its ChatGPT Pro plan, creating a middle ground between its $20 Plus plan and the existing $200 Pro tier

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. The move comes as the company's Codex AI coding tool experiences explosive growth, with usage rising more than 70% month-over-month and reaching over 3 million weekly users—a 5x increase in just three months

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. Sam Altman confirmed the update on X, stating, "It is very nice to see Codex getting so much love. We are launching a $100 ChatGPT Pro tier by very popular demand"

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Source: FoneArena

Source: FoneArena

The new OpenAI subscription tier directly targets developers and Codex users who have outgrown ChatGPT Plus but don't need the capacity of the premium $200 option. AI coding tools have surged in popularity recently, with Anthropic's Claude Code generating viral attention and OpenAI's Codex seeing unprecedented adoption

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. The challenge is that having artificial intelligence plan and write code consumes significantly more tokens—the basic unit of AI generation—than standard chat interactions.

Higher Usage Limits and Competitive Tiered Pricing

The new $100/month ChatGPT Pro plan provides 5x higher usage limits for Codex compared to the Plus plan, along with access to all Pro features including exclusive models and unlimited access to Instant and Thinking models

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. To celebrate the launch, OpenAI is temporarily increasing Codex usage through May 31, offering Pro $100 subscribers up to 10x usage of ChatGPT Plus on Codex for building ambitious projects

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Source: VentureBeat

Source: VentureBeat

The $200 Pro tier remains available for users requiring even more capacity, delivering 20x higher limits than the Plus plan

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. This creates a confusing situation where two different plans share the "Pro" name, with the main difference being usage allowance rather than core capabilities

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OpenAI isn't subtle about its competitive intent. The company explicitly stated the new plan is designed to compete directly with Anthropic, which already offers a $100/month plan for its Claude AI

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. Anthropic's pricing structure mirrors OpenAI's approach, with Claude Max 5x offering five times the capacity of the $20-per-month plan for $100 monthly, and Claude Max 20x offering 20 times the capacity for $200 monthly

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Changes for Developers and Rate Limits Adjustments

OpenAI is also "rebalancing" Codex usage in ChatGPT Plus to support more sessions throughout the week, instead of longer sessions in a single day

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. The company describes the Plus plan as best for steady, day-to-day usage of Codex, while positioning the $100/month option as a more accessible upgrade path for heavier daily use

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Source: 9to5Mac

Source: 9to5Mac

Alongside the new tier, OpenAI quietly upgraded ChatGPT's fallback model that users encounter after hitting rate limits. The new ChatGPT-5.3 Instant Mini replaces ChatGPT-5 mini as the backup option, with OpenAI claiming it outperforms the previous version across various use cases with more natural conversation, stronger writing, and better contextual awareness

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. This behind-the-scenes change affects regular users who frequently hit their limits, while Pro users with much higher usage rates will encounter it less often

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The pricing restructure signals OpenAI's recognition that developers represent a critical user segment willing to pay premium prices for adequate capacity. With AI coding tools becoming essential for software development workflows, the battle between OpenAI and Anthropic over this market segment is intensifying. The temporary 10x Codex usage boost through May 31 suggests OpenAI is aggressively courting developers to lock them into its ecosystem before rate limits normalize

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