#OpenAI
OpenAI Hits the Brakes: Its Largest Training Run Is Self-Paused
To keep its next-generation model from being weaponized as a hacker tool, OpenAI is choosing to control the tempo itself—rather than waiting for an incident to force the issue.
OpenAI Turns Its Most Powerful Model to Defend Itself
Greg Brockman explains in his own words: using Codex to audit code, running models in three shifts to triage alerts, proactively enumerating their own vulnerabilities, and publishing the playbook for the rest of the industry to copy.
OpenAI Reveals ChatGPT User Demographics: Increase in Users Over 35
The report shows ChatGPT has reached 1 billion global users, with increased usage in work scenarios and a significant rise in users over 35 years old.
OpenAI Astra: Solving 10 Decade-Old Math Problems for $2000
OpenAI has unveiled its next-generation model, Astra, which has delivered 10 new results in mathematics and theoretical computer science, all accompanied by Lean formal proofs. The total cost, calculated by the Sol API, is approximately $2000. We've reviewed the 249-page paper and official explanations to clarify what this means.
GPT-5.6 Price Reduction: Luna Slashed by 80%, Terra by 20%
OpenAI announced a price reduction for GPT-5.6 on July 30th: the budget-friendly Luna tier saw an 80% reduction in cost per task, with input prices dropping to $0.20 per million tokens, while the mid-tier Terra only experienced a 20% reduction. The company claims the price cuts are due to service efficiency improvements. We've verified the official pricing and consulted with the independent analysis from Artificial Analysis to help you understand how to make the most of this price adjustment.