Five minutes. What happened, and what to do about it. All stories from 22 September 2026
OpenAI halves its API prices with GPT-6 Sol and Luna
Half the price of last month's models, and OpenAI says it is permanent.
Claude Opus 5.5: top-tier results, 20% cheaper
TechCrunch· 22 SepAnthropic released Claude Opus 5.5 at $4 per million input tokens and $20 output, 20% below Opus 5, with cache reads 60% cheaper. It performs at the level of Claude Fable 5.1, costs about 40% less to run than Opus 5 and writes over 30% faster. Sonnet and Haiku 5.5 are due in weeks.
- If you use Opus 5 anywhere, switch the model name and compare a week of results.
- Use caching for repeated instructions. That is where most of the saving is.
Source: TechCrunch. This is our short summary of their reporting. The paragraphs marked "Our read" and the things to do are SeedFoundry's opinion. The summary is drafted with AI tools. The picture is our own graphic. How we source and credit
These are short summaries of other people's reporting, with our own commentary. Each story names its source and links to the original. How we source and credit