The Impact Feed

OpenAI spends an estimated $121B on compute by 2028 while inference costs already eat more than half of revenue. Analysts predict the $20/month standard tier for ChatGPT and Claude could rise to $25-30 by late 2026 or early 2027 as companies shift from growth mode to profitability.

An MIT Sloan study conducted with 758 consultants found that professionals who master advanced prompting techniques complete their tasks 40% faster than colleagues using default AI interactions. A Harvard Business School study with the same cohort also measured measurable quality improvements in output.

ChatGPT Plus quietly tightened its message limits in April 2026, reducing flagship model access while maintaining the $20/month price point. A viral X thread coined the term “AI shrinkflation” to describe the pattern of same price, less headroom — triggering a wave of Claude Max cancellations and renewed interest in prompt efficiency.

After Anthropic publicly refused a Pentagon request to use Claude for autonomous weapons systems while OpenAI signed a defense deal, Claude shot from #131 to #1 on the App Store within four days. Developers and knowledge workers cited trust as the primary reason for switching, with 70% of developers now preferring Claude for coding tasks.

With ChatGPT Plus, Claude Pro, Google AI Pro, Perplexity Pro, and Grok each priced around $20/month, many professionals have ended up subscribing to all five — spending $1,320 per year. Research shows knowledge workers lose up to 40% of productive time to context-switching between tools.