Your context has a running cost.

Gaps include response generation. Exact prefix reuse is assumed until expiry. Compaction rewrites the full retained context. Cache rules · Compaction billing

Reasoning levels have no known universal token multiplier. Enter extra billed reasoning and the amount retained per turn. These start at zero because the local records do not separate reasoning from output. Reasoning evidence

Success probabilities are optional sensitivity inputs, not estimates from the studies. Quota conversion must be measured for this model and plan: percentage points consumed per API-equivalent USD. Blank means unknown; subscription fees cannot supply this conversion. Assumption boundaries