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The Clartelia Brief

One AI or automation change each week, tested with real numbers. Free, five minutes to read.

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Latest issueSonnet 5.5 and GPT-6.1 Sol: which of your jobs still need a top AI model?Anthropic and OpenAI both released a stronger middle model in the last week of September, Claude Sonnet 5.5 and GPT-6.1 Sol, and both cost $2 and $10 per million tokens. Keep the top models for open-ended work that needs judgment, and move the scoped, repeatable jobs to the middle tier once they pass a test on your own examples.
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