OpenAI is lifting the text‑chat ceiling for its free and Go subscription tiers, allowing unlimited exchanges beginning next week, the company said on Saturday. The move ends the rate‑limit warnings that have long frustrated casual users, though limits on file uploads and image inputs will stay in place.
Alongside the unlimited chat, OpenAI is adding a “Think” button for the same tiers. The button is meant to trigger higher‑level reasoning for more complex queries, giving free users a taste of the deeper analytical capabilities previously reserved for paid plans.
In a parallel upgrade, the default AI model powering ChatGPT for free and Go users is being switched to the newly released GPT‑5.6 Luna. The change promises faster, more coherent responses, but OpenAI did not disclose specific performance metrics.
Subscribers on the Plus and Pro levels are getting a different boost. Their version of ChatGPT will run on GPT‑5.6 Sol, an iteration OpenAI describes as “more reliable with facts.” The company says the model will make fewer mistakes on questions that hinge on dates, numbers, sources, rules or assumptions, by better leveraging the references it finds.
Beyond factual accuracy, GPT‑5.6 Sol will deliver tighter formatting and “more direct responses,” according to the announcement. OpenAI also noted that the model will “avoid extra detail when it does not help,” a nod to users who have complained about overly verbose answers.
New for Plus and Pro users is a slider that lets them set how much “thought” the AI applies to an answer. The feature, slated to appear on Thursday, gives subscribers control over the depth of reasoning, potentially speeding up straightforward queries while allowing more thorough analysis when needed.
Both the updated GPT‑5.6 Sol model and the response‑depth slider will become available to Plus and Pro customers on Thursday, the same day the free‑tier changes roll out. OpenAI did not specify a precise rollout schedule, but the timing suggests a coordinated launch across all tiers.
The company’s communication emphasized that the unlimited text chat applies only to pure text interactions. Users who attach files or embed images will continue to encounter the existing usage caps, a distinction that may influence how developers and power users structure their workflows.
OpenAI’s latest adjustments come amid a broader push to democratize access to its most advanced language models. By removing text‑chat limits for free users, the firm hopes to attract a larger audience while still preserving premium features for paying customers.
Analysts have noted that the “Think” button and the new model upgrades could serve as a testing ground for features that may later be bundled into higher‑priced plans. If free users respond positively, OpenAI may consider expanding similar capabilities to other tiers.
OpenAI’s announcement arrived without any mention of pricing changes for its subscription tiers. The company continues to charge $20 per month for the Plus plan and $40 per month for the Pro plan, though it has not indicated whether the new features will affect those rates.
Industry observers will watch how the unlimited chat and enhanced model impact user engagement metrics. Early indications suggest that removing barriers to entry could boost daily active users, a key metric for AI service providers seeking to scale their platforms.
OpenAI’s rollout underscores its strategy of incremental feature releases, balancing free‑tier growth with premium‑tier enhancements. As the AI landscape grows more competitive, the company’s ability to fine‑tune access and performance may shape its market position for years to come.
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