AIGuideClaude Opus 5.5: a cheaper flagship, with caveats
Anthropic cut Opus to $4/$20 per million tokens and cut cache reads by 60%. Here is what the vendor numbers mean, and what nobody outside Anthropic has checked yet.
8 min
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Reviews and practical guides about ai. Independent coverage from lytyear.
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AIGuideClaude Sonnet 5.5, and what the 30% cost claim actually means
Anthropic's new Sonnet keeps its $2/$10 price, claims 30% less cost per task, and beats Opus 5.5 on one benchmark. Here's what to check.
9 min
AIGuideGrok 4.7: cheap, long-context, and not the winner in its own comparison
Grok 4.7 lands at $2 and $6 per million tokens with a 500,000-token context window. Strong on coding benches, and still behind on some.
9 min
AIGuideOpenAI DevDay 2026: what is confirmed, and what is only rumor
Written live during the event. What OpenAI has actually confirmed about DevDay 2026, what is only reported, and what to check afterwards.
9 min