{"history":[{"observed_at":"2026-04-25T21:19:59+00:00","day":"2026-04-25","price":0.2,"currency":"USD","price_usd":0.2,"price_eur":0.170765,"prices":{"per_1m_tokens_cached_in":0.02,"per_1m_tokens_in_batch":0.1,"per_1m_tokens_out":1.25,"per_1m_tokens_out_batch":0.625},"fx_usd_per_eur":1.1712,"snapshot_id":201}],"sku_id":"llm/openai/gpt-5.4-nano-2026-03-17","license":"CC BY 4.0"}