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OpenAI announced Ultrafast, a service that runs GPT-5.6 Sol up to 14 times faster, using Cerebras inference technology. The preview is open to some users, with a waitlist for broader access. OpenAI says Ultrafast reaches 750 tokens per second and completes Humanity's Last Exam in 11 hours 11 minutes.
OpenAI is expanding its Daybreak cybersecurity service with two new tiers. Daybreak Blue offers GPT-5.6 Sol without safeguards, while Daybreak Red provides GPT-5.6 Cyber, a model built on GPT-5.6 Sol with improved vulnerability discovery and exploit construction. OpenAI reports GPT-5.6 Cyber completed 95 percent of cyberattack instructions in testing and has already found real-world vulnerabilities.