TechnologyNotable
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.
May 10, 20262 min read
6 articles
#gpt-5.5
IndustrySignificant
GPT-5.5 Breaks OpenAI's Revenue Records — Codex Doubles in One Week
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.
May 3, 20262 min read
TechnologySignificant
GPT-5.5's Pre-Train Lift Resets the Frontier Benchmark
GPT-5.5 scores 87.3 vs Opus 4.7's 67.0 on 23 exec deliverables — a pre-train jump, not inference tricks — and is the first frontier model to catch planted fake migration data.
April 29, 20262 min read
TechnologySignificant
GPT-5.5 in Codex: Builder Euphoria, Skeptic Alarm, Toolchain Rush
Three independent sources captured GPT-5.5 from every angle simultaneously: builder euphoria, toolchain adoption, and a structural reliability alarm.
April 27, 20262 min read
IndustryMajor
GPT-5.5: Agentic-First Model, 82% Terminal-Bench, Safety at HIGH
OpenAI's GPT-5.5 arrives six weeks after 5.4 with a 7-point Terminal-Bench gain, doubled pricing, and cyber/bio safety classifications at HIGH.
April 26, 20262 min read
Technologyreport
Intelligence-Per-Token: How GPT-5.5, Codex, and GPT Image 2 Moved Reasoning Upstream of Everything
OpenAI and Anthropic's April 2026 releases moved reasoning upstream of pixels, HTML, and OS automation—rewriting every execution primitive in a single week.
April 25, 202611 min read
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