{
 "generated": "2026-10-28T04:47:22.395Z",
 "site": "https://ratecardai.pages.dev",
 "license": "CC-BY-4.0",
 "units": "USD per 1M tokens unless unit/other says otherwise",
 "changes": [
  {
   "date": "2026-07-30",
   "kind": "tier renamed",
   "provider": "OpenAI",
   "summary": "\"Priority processing\" renamed \"Fast mode\" (2x standard token price).",
   "source": "https://platform.openai.com/docs/pricing",
   "observed": "2026-10-26"
  },
  {
   "date": "2026-10-05",
   "kind": "billing start",
   "provider": "OpenAI",
   "summary": "Billing for gpt-rosalind-research began ($5.00 in / $25.00 out per 1M tokens).",
   "source": "https://platform.openai.com/docs/pricing",
   "observed": "2026-10-26"
  },
  {
   "date": "2026-11-21",
   "kind": "promotion end (earliest)",
   "provider": "OpenAI",
   "summary": "GPT-5.6 Sol promotional pricing guaranteed \"at least through November 21, 2026\" ($4.00 in / $20.00 out).",
   "source": "https://platform.openai.com/docs/pricing",
   "observed": "2026-10-26"
  },
  {
   "date": "2026-12-01",
   "kind": "scheduled increase",
   "provider": "Google",
   "summary": "Gemini 4 Argon promotional pricing ends: input $2.00→$4.00, output $10.00→$20.00, cached $0.10→$0.20 per 1M tokens.",
   "source": "https://ai.google.dev/gemini-api/docs/pricing",
   "observed": "2026-10-26"
  },
  {
   "date": "2027-01-01",
   "kind": "scheduled increase",
   "provider": "Google",
   "summary": "Gemini 3.8 Flash paid tier: input $0.75→$1.50, output $3.75→$7.50 per 1M tokens. Gemini 3.8 Flash TTS doubles the same day.",
   "source": "https://ai.google.dev/gemini-api/docs/pricing",
   "observed": "2026-10-26"
  }
 ]
}