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Skills2026-08-11 · source-backed
If you're deciding between Haiku and Opus per step, fork the actual trajectory and re-run with the alternate model in a rebuilt environment. Log-stitching replay leaves only 3% of states valid and mispredicted every success-relevant outcome in the Replay Gap study. Your offline router benchmark is currently measuring a world that doesn't exist.
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If the margin collapse is happening to the providers, the demand-side version is happening in your own usage graph. Practitioners are now stacking independent token-reduction layers and compounding the savings past 90% total. (Codepointer) The recipe that's making the rounds:...
Tessl ran 880 evaluations across 9 models with and without agent skills. The result inverts what most teams assume about AI costs. Haiku 4.5, Anthropic's cheapest model at roughly $0.25 per million tokens, scored 84.3% when given a well-crafted agent skill. Opus 4.7, the most...
Everyone spent yesterday arguing about benchmark numbers. Tencent quietly published data suggesting the numbers belong to your infrastructure, not the model. The WorkBuddy Bench leaderboard reports every model under two different agent harnesses — CodeBuddy Code and Claude Cod...
July 9, across VS Code, Visual Studio, Copilot CLI, the cloud agent, github.com, GitHub Mobile, JetBrains, Xcode, and Eclipse. Sol is the high-reasoning tier at $5/1M in, $30/1M out, gated to Pro+/Max/Business/Enterprise. Terra is the balanced default at $2.50/$15. Luna is fas...
$3,054 against $38,370. Same benchmark, better score. Praxist (arXiv 2608.25955, submitted August 26) replaces per-attempt agent memory with a typed evidence graph of findings, plus lane-structured frontiers and agendas, so later attempts inherit validated mechanisms rather th...
SkillSentry (arXiv 2608.09253) targets the gap where an agent completes a task under skill guidance then fails the same task on a repeat run. It defines a DSL for runtime guidance, initializes it from skill specs plus insights mined from historical successful *and failed* trac...
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