{"history":[{"observed_at":"2025-11-16T03:36:13+00:00","day":"2025-11-16","price":1.25,"currency":"USD","price_usd":1.25,"price_eur":1.073146,"prices":{"per_1m_tokens_cached_in":0.125,"per_1m_tokens_out":10.0},"fx_usd_per_eur":1.1648,"snapshot_id":178},{"observed_at":"2026-09-14T22:00:57+00:00","day":"2026-09-14","price":1.25,"currency":"USD","price_usd":1.25,"price_eur":1.082157,"prices":{"per_1m_tokens_cached_in":0.125,"per_1m_tokens_in_batch":0.625,"per_1m_tokens_out":10.0,"per_1m_tokens_out_batch":5.0},"fx_usd_per_eur":1.1551,"snapshot_id":297}],"sku_id":"llm/openai/gpt-5.1","license":"CC BY 4.0"}