OpenAI cuts GPT-5.6 Luna and Terra prices by up to 80%

OpenAI announced Thursday it is reducing the terms of 2 models successful its GPT-5.6 household — cutting the outgo of GPT-5.6 Luna by 80% and GPT-5.6 Terra by 20% — astir 3 weeks aft the models launched, according to CNBC.

Luna, the fastest and lowest-cost mentation successful the GPT-5.6 lineup, is present priced astatine 20 cents per cardinal input tokens and $1.20 per cardinal output tokens, a simplification from its erstwhile rates of $1 and $6. Terra, the mid-tier model, volition spot its input token complaint autumn to $2 per cardinal and output token complaint autumn to $12 per million, compared with the anterior $2.50 and $15. The pricing for Sol, the astir almighty exemplary successful the family, remains unchanged, the institution said.

OpenAI attributed the reductions to ratio gains made during interior improvement of GPT-5.6, including the model's quality to rewrite and optimize accumulation codification and amended token generation, the institution said. Those improvements reduced the end-to-end outgo of serving the exemplary by 20% and accrued token-generation ratio by much than 15%.

The cuts get arsenic endeavor customers person grown reluctant to authorize ample AI expenditures without a wide representation of returns, according to Reuters. Cheaper Chinese open-weight models person sharpened the competitory environment, pushing OpenAI and rival Anthropic to marque the lawsuit that their products are worthy the premium, according to Axios.

The broader backdrop has been gathering for immoderate time. Enterprise customers person been cutting AI spending and demanding clearer returns connected investment, with immoderate companies switching to cheaper alternatives. Ride-sharing institution Uber burned done its full yearly AI fund successful 4 months earlier introducing spending tiers connected immoderate tools. Both OpenAI and Anthropic person besides filed confidential IPO prospectuses with the Securities and Exchange Commission, adding unit to show durable concern models up of imaginable nationalist listings.

OpenAI had been considering terms reductions arsenic precocious arsenic past month. CEO Sam Altman called costs "a immense issue" astatine a caller event, saying the institution would find ways to assistance customers get much worth for little spending.

By comparison, Anthropic's mid-tier Claude Sonnet 4.6 carries a terms tag of $3 per cardinal input tokens and $15 per cardinal output tokens, putting it supra what Terra present costs, according to Reuters. Microsoft and Google person each been expanding lower-cost exemplary offerings aimed astatine concern customers, according to CNBC.

Along with the terms reductions, OpenAI said it is introducing a Fast mode successful its API for GPT-5.6 Sol, delivering up to 2.5 times faster speeds than modular processing astatine doubly the price, replacing its erstwhile Priority Processing offering.