Paste this into claude code and it finds the leaks in your agent bill

Same agent, 500 calls a day: $140 before after the 5 fixes it points you to: $3.36 the trick is the split: - reading calls go to haiku 5.5 at $0.007 instead of $0.28 on opus - the stable prefix gets cached.

lostinazeroyNov 42

# For the same task, why do you spend ten times as much as others to adjust the model?

Official dismantling: It’s not that the models are expensive, it’s that you have never calculated how much each mission will cost. Official source: Tech Insider, 2026-11-02, Marcus Chen. Literal translation of the original title: "Grok's actual test of Claude API: 13 steps, 70…

剑的 AI 实验室Nov 41

Models by GoogleDeepMind scale better on cost than their rivals.

Gemini 4 Carbon is the prime example. As tasks get more demanding, every rival gets more expensive relative to Carbon. For a typical task, GPT-6 Astra by OpenAI costs 3.4× as much, Claude Opus 5.5 by

Arena.aiNov 494

Agent Arena measures complex, real-world tasks.

Data shows that these long-horizon sessions amplify differences in frontier models. Long-horizon tasks in Agent Arena span hundreds of turns, from porting a codebase to Rust and auditing an investment strategy document to writing a

Arena.aiNov 428