GuidesGuide
Claude not working? Check status first, then fix the error
Anthropic's help center ties each Claude error to a fix: usage limits, login errors, capacity messages and network problems, plus what to do on iPhone.
Word puzzles
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AI ModelsExplainer
Claude Opus 5.5 pricing: $4 input, $20 output per million tokens
Opus 5.5 costs 20% less per token than Opus 5, and Anthropic says typical jobs cost 40% less to run. Here are the numbers as of October 28, 2026.
AppsExplainer
Is Midjourney free? No, plans start at $10 a month
Midjourney's help center says there is no free trial on Discord or the website. Basic costs $10 a month, and only the niji · journey app offers a limited trial.
ResearchExplainer
Artificial Analysis Intelligence Index: what it measures in v5
The index averages nine tests in four equal categories, and 60% of it rests on private data. Its own pages list what it cannot tell you.
ReviewsComparison
ChatGPT vs Grok: prices, plans and benchmarks compared
Both start free and have an $8 plan. Above that, ChatGPT Pro runs $100 to $500 a month and Grok Super and Ultra cost $100 and $200.
AppsExplainer
Is Genie 4 free? Not yet: waitlist now, Ultra plans from $99.99
DeepMind's Genie 4 is a research preview with a waitlist and no published price. The route to it runs through Google AI Ultra, which starts at $99.99 a month.