
GPT-5.5 Instant Rolls Out with 52.5% Fewer Hallucinations
OpenAI rolls out GPT-5.5 Instant to ChatGPT and the API, claiming 52.5% fewer hallucinations on high-stakes prompts in medicine, law, and finance.

OpenAI rolls out GPT-5.5 Instant to ChatGPT and the API, claiming 52.5% fewer hallucinations on high-stakes prompts in medicine, law, and finance.

Mira Murati testified under oath that Altman misled her about safety board clearance; Brockman's journal and firing-weekend texts now key trial evidence.

OpenAI launched three voice models at once in its Realtime API: GPT-Realtime-2 brings GPT-5 reasoning; Translate and Whisper add streaming capabilities.

Murati's sworn testimony in Musk v. Altman confirms the 2023 board firing was about trustworthiness, while Brockman testifies to 1,667× compute growth.

Sam Altman and Greg Brockman's first joint interview in 10 years: the orchestration layer — memory, integrations, workflow logic — is the defensible AI moat, not the model.

Brockman confirmed under oath that he held undisclosed Cerebras equity while OpenAI committed $20B+ to the firm. California law calls this self-dealing.

GPT-5.5 posted OpenAI's strongest-ever launch: API revenue 2× faster than any prior release, with Codex doubling revenue in 7 days on enterprise agentic coding demand.

Codex hit 3M weekly users — tripling since January — as OpenAI revealed a full agent OS: plugins, sub-agents, automations, hooks, and Guardian Approvals.

WSJ reveals OpenAI's CFO warned on compute funding, then was excluded from key infrastructure meetings. Musk trial opens as $852B valuation comes under pressure.

OpenAI goes multi-cloud as Microsoft exclusivity ends; Amazon becomes the primary delivery route. WSJ reveals missed targets, CFO warns on compute funding.

Three independent sources captured GPT-5.5 from every angle simultaneously: builder euphoria, toolchain adoption, and a structural reliability alarm.
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