
ChatGPT Falls Below 50% Market Share for First Time
Sensor Tower's State of AI 2026 report shows ChatGPT's True Audience share fell to 46.4% in May as Gemini and Claude eat into OpenAI's lead.
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Sensor Tower's State of AI 2026 report shows ChatGPT's True Audience share fell to 46.4% in May as Gemini and Claude eat into OpenAI's lead.

GPT-5.1 is OpenAI's November 2025 coding and agentic flagship with 400K context, configurable reasoning effort, and 76.3% on SWE-bench Verified.

June 2026 overall LLM rankings covering Claude Fable 5, Claude Opus 4.8, GPT-5.5, Gemini 3.1 Pro, and the open-weight models catching up fast.

A coalition of 42 state attorneys general has opened a sweeping investigation into OpenAI, served via subpoena just five days after the company filed confidentially for a $1 trillion IPO.

ChatGPT crossed 1 billion monthly active users in May - the fastest app in history to hit the mark. But Meta AI is growing at 973% and Claude at 640%, against ChatGPT's own 62%.

Gemini 2.5 Flash still leads LIT-RAGBench English RAG accuracy at 87.0%, but the full benchmark data reveals two overlooked entries: GPT-4.1-mini at 84.1% and o4-mini at 83.9%.

Google drops its entry AI subscription 38% to $4.99, undercutting every US rival and bringing the price war that reshaped India to American consumers.

OpenAI filed a confidential S-1 with the SEC on June 8, targeting a public debut above $1 trillion as early as September 2026, following Anthropic by one week.

OpenAI's life sciences reasoning model gets a June update with global access and new NGS plugins - strong benchmarks, but still locked behind a Trusted Access Program with no public pricing.

Senator Bernie Sanders proposes seizing 50% of OpenAI, Anthropic, and xAI stock to fund a federal sovereign wealth fund with government board seats.

OpenAI's new Lockdown Mode cuts the network exits that prompt injection attacks use to steal data from ChatGPT - but won't stop malicious instructions from entering the model in the first place.

The Trump administration is in talks with OpenAI about donating equity to a US sovereign-style fund, a deal that would make American taxpayers co-owners of the most valuable AI startup on Earth.