model-mix

# Model Mix See where your tokens and dollars go by model family, and where to re-route work. ## Input The user provides: **$ARGUMENTS** This may be: empty (analyze the whole fleet), "today" / "this week" / a date range, or a focus like "where is Opus overused?". When empty, analyze all data from `/api/pricing/cost` and `/api/sessions`. ## Data Sources | Endpoint | Returns | |----------|---------| | `GET /api/pricing/cost` | `{ total_cost, breakdown: [{ model, input_tokens, output_tokens, cache_read_tokens, cache_write_tokens, cost, matched_rule }] }` — per-model token and cost split | | `GET /api/pricing` | `{ pricing: [{ model_pattern, display_name, input_per_mtok, output_per_mtok, cache_read_per_mtok, cache_write_per_mtok }] }` — rates per family | | `GET /api/analytics` | `tokens` totals (total_input, total_output, total_cache_read, total_cache_write — baselines pre-summed), `agent_types` for delegation context | | `GET /api/sessions?limit=200` | Session list — model, cwd, started_at, ended_at, inline `cost`, metadata (JSON: thinking_blocks, turn_count, total_turn_duration_ms, usage_extras) | ### How families and rates work Map each `model` in the cost breakdown to a family from its `matched_rule` / `display_name`: | Family | Input $/Mtok | Output $/Mtok | Cache Read $/Mtok | Cache Write $/Mtok | |--------|-------------|--------------|-------------------|-------------------| | Opus 4.5/4.6 | $5 | $25 | $0.50 | $6.25 | | Sonnet 4/4.5/4.6 | $3 | $15 | $0.30 | $3.75...