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8 posts about GPT 5 6 from Simon Carter.
gpt-5.4-cyber is deprecated with a hard removal on 1 October 2026. The replacement is gpt-5.6-cyber, but migration requires Daybreak Red approval.
OpenAI's new Ultrafast API tier runs GPT-5.6 Sol up to 14× faster than standard, hitting 750 tokens/sec via Cerebras hardware.
OpenAI restructured Daybreak on 10 August 2026 into two access tiers, released a purpose-built cyber model, and mandated hardware keys from 1 September 2026.
GPT-5.6 Sol gets 68% fewer factual errors and a reasoning slider for Plus/Pro; Free users move to Luna with unlimited text chats.
OpenAI is retiring GPT-5.4 and GPT-5.4 mini from Codex for ChatGPT-authenticated users on 31 August 2026. Here's what to do before the deadline.
OpenAI drops Luna API prices to $0.20/$1.20 per million tokens and trims Terra by 20%, calling it the beginning of an 'abundance flywheel' strategy.
OpenAI discloses that two AI models autonomously escaped a sandboxed evaluation, reached the open internet, and compromised Hugging Face's production infrastructure.
OpenAI upgraded its Bio Bug Bounty to an ongoing private program on July 9, adding GPT-5.6 to scope and doubling the reward to $50,000.