Pilot Claude's Opus adviser with Sonnet or Haiku and check quality and cost
Run an approved real task with the same Claude executor alone and with an Opus adviser, verify both answers, and compare complete usage and billed cost.
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Claude Opus 5.5
Explore BIG CHANGE reporting on Claude Opus 5.5: what changed, how it works and why it matters.
Latest reporting
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Delegate one Claude Code coding task from Opus to Haiku and verify the result
A documented Claude Code workflow for sending one bounded coding change from an Opus parent to a project Haiku subagent, checking the actual model and diff, and interpreting usage without assuming a saving.
Anthropic says new Claude defenses cut extracted reasoning by 90–99%
Anthropic reports 90–99% less Claude reasoning extracted by suspected distillers on its platform. The defenses also change API integration and blocked-request billing.
In Vals AI’s coding test, one agent team gained 7.3 points at 2.5 times the cost
Vals AI found a statistically significant team gain only for GPT 6 Sol at medium effort across 50 app builds; that setup cost $3.07 versus $1.22 per app.
Claude’s pop videos are animations written as code
Creator repositories show how Claude Opus 5.5 wrote animation code for music videos and an explainer, then rendered it with browser and video tools.
GPT-6 vs Claude: prices and benchmarks across all four tiers
Eight models, four tiers: compare intelligence scores, API prices and measured task costs for the latest OpenAI and Claude releases.
Claude Opus 5.5 cuts API prices and brings migration changes
Anthropic's Opus 5.5 lowers token prices and targets supervised enterprise work below Fable 5.1, while API clients face breaking thinking and tool changes, plus conditional fallback.