{"slug":"prompt-caching-economics-2026","title":"Prompt caching economics across providers, 2026","asOf":"2026-10-26","columns":["model","provider","input_usd_per_1m","cached_input_usd_per_1m","cache_discount_pct","cache_write_usd_per_1m","break_even_reads","min_cacheable_tokens","reference_call_saving_pct"],"rows":[["gpt-6-astra","openai",10,1,90,12.5,2,1024,38.57],["gpt-6.1-sol","openai",2,0.1,95,2.5,2,1024,40.71],["gpt-6-sol","openai",2,0.2,90,2.5,2,1024,38.57],["gpt-6-luna","openai",0.1,0.01,90,0.125,2,1024,38.57],["gpt-5.6-sol","openai",4,0.4,90,5,2,1024,38.57],["gpt-5.6-terra","openai",2,0.2,90,2.5,2,1024,35.53],["gpt-5.6-luna","openai",0.2,0.02,90,0.25,2,1024,35.53],["gpt-5.5","openai",5,0.5,90,null,1,1024,35.53],["gpt-5.4","openai",2.5,0.25,90,null,1,1024,35.53],["gpt-5.4-mini","openai",0.75,0.075,90,null,1,1024,35.53],["gpt-5.4-nano","openai",0.2,0.02,90,null,1,1024,34.84],["gpt-5.2","openai",1.75,0.175,90,null,1,1024,30.68],["gpt-5.1","openai",1.25,0.125,90,null,1,1024,30.68],["gpt-5","openai",1.25,0.125,90,null,1,1024,30.68],["gpt-5-mini","openai",0.25,0.025,90,null,1,1024,30.68],["gpt-5-nano","openai",0.05,0.005,90,null,1,1024,30.68],["o3","openai",2,0.5,75,null,1,1024,35.16],["o3-mini","openai",1.1,0.55,50,null,1,1024,23.44],["o4-mini","openai",1.1,0.275,75,null,1,1024,35.16],["o1","openai",15,7.5,50,null,1,1024,23.44],["gpt-4.1","openai",2,0.5,75,null,1,1024,35.16],["gpt-4.1-mini","openai",0.4,0.1,75,null,1,1024,35.16],["gpt-4.1-nano","openai",0.1,0.025,75,null,1,1024,35.16],["gpt-4o","openai",2.5,1.25,50,null,1,1024,23.44],["gpt-4o-mini","openai",0.15,0.075,50,null,1,1024,23.44],["claude-fable-5-1","anthropic",10,0.25,98,12.5,2,512,41.79],["claude-fable-5","anthropic",10,1,90,12.5,2,512,38.57],["claude-opus-5-5","anthropic",4,0.2,95,5,2,512,40.71],["claude-opus-5","anthropic",5,0.5,90,6.25,2,512,38.57],["claude-opus-4-8","anthropic",5,0.5,90,6.25,2,1024,38.57],["claude-opus-4-7","anthropic",5,0.5,90,6.25,2,2048,38.57],["claude-opus-4-6","anthropic",5,0.5,90,6.25,2,4096,38.57],["claude-opus-4-5","anthropic",5,0.5,90,6.25,2,4096,38.57],["claude-sonnet-5-5","anthropic",2,0.1,95,2.5,2,512,40.71],["claude-sonnet-5","anthropic",2,0.2,90,2.5,2,1024,38.57],["claude-sonnet-4-6","anthropic",3,0.3,90,3.75,2,1024,38.57],["claude-sonnet-4-5","anthropic",3,0.3,90,3.75,2,1024,38.57],["claude-haiku-5-5","anthropic",0.1,0.01,90,0.125,2,512,38.57],["claude-haiku-4-5","anthropic",1,0.1,90,1.25,2,4096,38.57],["gemini-4-argon","gemini",2,0.1,95,null,1,1024,40.71],["gemini-3.8-flash","gemini",0.75,0.075,90,null,1,1024,38.57],["gemini-3.6-flash","gemini",0.75,0.075,90,null,1,1024,38.57],["gemini-3.5-flash-lite","gemini",0.3,0.03,90,null,1,1024,30],["gemini-3.1-pro","gemini",2,0.2,90,null,1,1024,35.53],["gemini-3.1-flash-lite","gemini",0.25,0.025,90,null,1,1024,35.53],["gemini-3-flash","gemini",0.5,0.05,90,null,1,1024,35.53],["gemini-2.5-pro","gemini",1.25,0.125,90,null,1,1024,30.68],["gemini-2.5-flash","gemini",0.3,0.03,90,null,1,1024,30],["gemini-2.5-flash-lite","gemini",0.1,0.01,90,null,1,1024,42.19],["grok-4.7","xai",2,0.5,75,null,1,1024,38.79],["grok-4.6","xai",2,0.5,75,null,1,1024,38.79],["grok-4.5","xai",2,0.3,85,null,1,1024,43.97],["grok-4.3","xai",1.25,0.2,84,null,1,1024,48.46],["grok-4.20","xai",1.25,0.2,84,null,1,1024,48.46],["grok-build-0.1","xai",1,0.2,80,null,1,1024,46.15],["deepseek-v4-pro","deepseek",1.32,0.044,97,null,1,1024,50],["deepseek-flash","deepseek",0.3,0.006,98,null,1,1024,45.94]],"summary":{"models_with_caching":57,"models_total":62,"median_discount_pct":90,"max_discount_pct":98,"min_discount_pct":50,"median_reference_saving_pct":38.57},"generated_at":"2026-10-26T20:39:20.531Z","license":"CC-BY-4.0","canonical":"https://tokenzero.sh/reports/prompt-caching-economics-2026"}