Timothy Morano
Apr 23, 2026 18:49
OpenAI’s GPT-5.5 debuts with enhanced authorized AI capabilities, scoring 91.7% on benchmarks. Accessible now for ChatGPT Plus and Professional customers.
OpenAI has formally unveiled GPT-5.5, its newest AI mannequin, on April 23, 2026, pushing the boundaries of synthetic intelligence in skilled and technical purposes. Early evaluations present the mannequin scoring a powerful 91.7% on Harvey.ai’s BigLaw Bench analysis suite, edging out GPT-5.4’s already robust 91.0%. This marks a brand new excessive for OpenAI’s generative fashions and positions GPT-5.5 as a robust device for authorized and technical industries.
Designed to excel in complicated and ambiguous duties, GPT-5.5 showcases developments in coding, information evaluation, and autonomous job execution. In legal-specific testing performed by Harvey.ai, the mannequin demonstrated notable enhancements in threat evaluation, deal administration, and litigation evaluation. It additionally achieved good scores on 43% of duties, with 87% of duties scoring above 0.80—indicating constant efficiency throughout various use circumstances. Authorized professionals have praised GPT-5.5’s capacity to provide outputs with superior organizational construction, intuitive formatting, and grounded citations.
“GPT-5.5 reveals enchancment in authorized reasoning, organizational construction, and viewers calibration,” stated Niko Grupen, Head of Utilized Analysis at Harvey. “These are the type of sensible features that transfer the needle for authorized practitioners.”
Nonetheless, verbosity stays a minor problem, as some responses have been extra detailed than vital, significantly on easy queries. Regardless of this, the mannequin’s total efficiency and flexibility signify a leap ahead in AI capabilities for skilled purposes.
OpenAI has made GPT-5.5 out there to paying subscribers throughout its ChatGPT and Codex platforms. Customers on Plus, Professional, Enterprise, and Enterprise tiers achieve quick entry, whereas a ‘GPT-5.5 Professional’ model is tailor-made for heavy computational workloads. This launch additionally comes with up to date API pricing, reflecting the improved performance and efficiency of the brand new mannequin.
With GPT-5.5, OpenAI is aiming to remain forward of rivals like Anthropic and Google within the race to dominate the AI area. The mannequin’s launch underscores OpenAI’s technique to place its AI as autonomous ‘digital staff,’ able to dealing with duties with minimal human intervention. Greg Brockman, President of OpenAI, acknowledged that GPT-5.5’s capacity to unravel issues with out specific step-by-step directions represents a major leap in AI autonomy.
For customers and builders, GPT-5.5 provides not simply incremental enhancements however a brand new layer of performance that would redefine workflows throughout industries. As organizations start integrating the mannequin into their operations, the implications will possible form market dynamics in each AI and authorized tech sectors over the approaching months.
Picture supply: Shutterstock
