How I set OpenAI API usage limits to stop agent overspending and other AI billing nightmares

OpenAI API costs can spiral when agents run wild. Here's how to set spend limits, enable hard caps, and avoid surprise AI bills.
Crypto Briefing

OpenAI launches GPT 5.6 model family with Sol as its new flagship

OpenAI launched GPT 5.6 Sol, Terra and Luna across ChatGPT Codex and API, pitching stronger coding, agentic work, safety, and lower task costs.
YourStory

OpenAI begins GPT-5.6 rollout with Sol, Terra and Luna models

OpenAI has introduced the GPT-5.6 family, featuring Sol, Terra and Luna models designed for advanced reasoning, coding and everyday AI tasks.

OpenAI launches GPT-Live, a full-duplex voice upgrade that lets ChatGPT talk more like a person

Live, new full-duplex voice models for ChatGPT that can listen and speak simultaneously, bringing more natural AI conversations to mobile and the web.

Meta challenges OpenAI with its first-ever paid AI API, debuting Muse Spark 1.1

Meta launches Muse Spark 1.1, its advanced agentic AI and coding model, with public API access, multimodal support and competitive pricing for developers.

OpenAI engineers cut ChatGPT guest traffic to a few hundred Nvidia GPUs, with no new hardware deployed.

OpenAI inference cost reduction cut ChatGPT guest traffic from tens of thousands of Nvidia GPUs to just a couple hundred, using software optimization alone. Engineers achieved more than 50% savings with techniques analysts believe include KV cache reuse,