{"history":[{"observed_at":"2025-04-20T18:33:45+00:00","day":"2025-04-20","price":1.1,"currency":"USD","price_usd":1.1,"price_eur":0.96831,"prices":{"per_1m_tokens_cached_in":0.275,"per_1m_tokens_out":4.4},"fx_usd_per_eur":1.136,"snapshot_id":148},{"observed_at":"2026-09-14T22:00:57+00:00","day":"2026-09-14","price":1.1,"currency":"USD","price_usd":1.1,"price_eur":0.952299,"prices":{"per_1m_tokens_cached_in":0.275,"per_1m_tokens_in_batch":0.55,"per_1m_tokens_out":4.4,"per_1m_tokens_out_batch":2.2},"fx_usd_per_eur":1.1551,"snapshot_id":297}],"sku_id":"llm/openai/o4-mini","license":"CC BY 4.0"}