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OpenAI
9 claims in the Claimer corpus cite this source. Signals are computed from source quality, attribution accuracy, veracity assessment, and evidence depth.
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Claims citing OpenAI
OpenAI said it added SynthID image provenance signals and previewed a public verification tool
OpenAI said on May 19, 2026 that it was adding Google DeepMind SynthID watermarking to images generated through ChatGPT, Codex, or the OpenAI API, alongside C2PA metadata and a public tool for checking supported OpenAI image provenance signals.
OpenAI announced a Codex preview inside the ChatGPT mobile app
OpenAI announced that Codex is now in preview in the ChatGPT mobile app so users can monitor, steer, review, and approve Codex work connected to laptops, devboxes, or remote environments. Community assessment should treat rollout, security, and enterprise availability details as separate claims needing continued review.
OpenAI claims GPT-5.5 Instant reduces hallucinations by 52.5% on high-stakes prompts
OpenAI released GPT-5.5 Instant as the new default ChatGPT model, claiming internal benchmarks show it produces 52.5% fewer hallucinated claims than its predecessor GPT-5.3 Instant on high-stakes prompts in medicine, law, and finance. It also claims a 37.3% reduction in inaccurate claims on user-flagged factual error conversations.
OpenAI claims its AI model autonomously disproved the 80-year-old Erdős unit distance conjecture
OpenAI announced that one of its reasoning models independently produced a proof disproving the Erdős unit distance conjecture, a long-standing open problem in combinatorial geometry. The proof reportedly involves complex algebraic number theory.
OpenAI launched a self-serve advertising platform within ChatGPT
OpenAI introduced a self-serve advertising platform allowing businesses to place ads within ChatGPT conversations, marking a significant commercialization milestone and a potential shift in the company's revenue model.
OpenAI announced plans to restructure from a nonprofit to a for-profit public benefit corporation
OpenAI announced it would convert its unusual capped-profit structure into a Delaware public benefit corporation (PBC), with the original nonprofit retaining a minority stake. The move was part of a broader restructuring tied to raising additional capital.
OpenAI said it closed a $122 billion funding round at an $852 billion post-money valuation
The attribution source says OpenAI closed its latest funding round with committed capital and a stated post-money valuation.
OpenAI released GPT-5.4 across ChatGPT, the API, and Codex
OpenAI's announcement says GPT-5.4 is available in ChatGPT, the API, and Codex, with GPT-5.4 Pro also released for higher-performance use cases.
OpenAI announced GPT-4o as a multimodal flagship model in May 2024
The attribution source directly describes GPT-4o as a flagship model handling text, audio, and image inputs and outputs.