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AI IntelligenceAug 20, 2026AI Intelligence

Article

The Price of Thinking: Reasoning Effort as a Model-Specific API Contract: API buyers purchase a dated contract, not a model name...

Alone: the contract includes the requested and served model, reasoning-effort term or its omission, output rail, service product, prompt, and price schedule. We study the reasoning-effort term through a registered paired contrast of Sonnet 5 with explicit high effort against the same model with effort...

Frontier EditorialAug 19, 2026Source: arXiv

Source Brief

The Price of Thinking: Reasoning Effort as a Model-Specific API Contract: API buyers purchase a dated contract, not a model name alone: the contract includes the requested and served model, reasoning-effort term or its omission, output rail, service product, prompt, and price schedule. We study the reasoning-effort term through a registered paired contrast of Sonnet 5 with explicit high effort against the same model with effort...

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Source Brief

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