AI ProductivityGPT-5.6 Ends Free Prompt-Cache Writes (1.25x Premium)GPT-5.6 replaced OpenAI's free implicit prompt caching with explicit breakpoints and a 1.25x write premium. What changes in your integration.Aug 12, 2026Read more →
AI ProductivityOpenAI Extends Prompt Cache Retention to 24 HoursOpenAI extended prompt cache retention from a few minutes to up to 24 hours. What that changes for agents and pipelines with repeated calls.Aug 12, 2026Read more →
AI ProductivityOpenAI vs Claude: Prompt Caching Cost Math in 2026OpenAI and Anthropic both charge a 1.25x premium on cache writes; Anthropic's rises to 2x for its 1-hour tier. How the real costs compare.Aug 12, 2026Read more →
