1# Phase 5 live pilot (OpenAI only — the Anthropic key was rejected on 2026-10-27). Hard cap 5 USD.2name: pilot_openai3base: baseline.yaml4seeds: {start: 1, n: 3}5overrides: {population.llm.provider_mix: {openai: 1.0}, population.llm.models: {openai: gpt-5.4-nano, mock: mock-v1, anthropic: claude-haiku-5-5},6 population.llm.usd_cap: 1.5, population.llm.concurrency: 8}7cells:8 - {name: share_5, overrides: {population.llm_share: 0.05}, treatment: {arm: dose, share: 0.05, provider: openai, model: gpt-5.4-nano}}9 - {name: share_25, overrides: {population.llm_share: 0.25}, treatment: {arm: dose, share: 0.25, provider: openai, model: gpt-5.4-nano}}10 - {name: share_50, overrides: {population.llm_share: 0.50}, treatment: {arm: dose, share: 0.50, provider: openai, model: gpt-5.4-nano}}11