{"date": "2026-10-29", "source": "Azure Retail Prices API, currencyCode=INR, serviceName 'Foundry Models', eastus2",
 "model": "gpt-4.1-mini (GlobalStandard)",
 "inr_per_1k": {"input": 0.0384, "cached_input": 0.0096, "output": 0.1536}}