Not all model upgrades are upgrades
Summary
A new model drops with lower per-token pricing and better benchmarks. You switch. A week later someone asks why the agent is burning 12x more tokens on the same task while producing worse output. We ran 150 agent tasks across 15 scenarios on two models, Claude Sonnet 4.6 and Claude Sonnet 5, using GitHub Copilot […] The post Not all model upgrades are upgrades appeared first on Microsoft for Developers.
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Rated low: routine. Worth knowing, not worth rearranging your day for.
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- A new model drops with lower per-token pricing and better benchmarks. You switch. A week later someone asks why the…
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