https://llmcost.pitropatro.com/changes/Announced and recent LLM API price changes. https://llmcost.pitropatro.com/changes/2027-01-01-gemini-3.8-flash-increaseFri, 01 Jan 2027 00:00:00 GMTPromotional pricing ends: input $0.75 → $1.50, output $3.75 → $7.50 per 1M tokens. https://llmcost.pitropatro.com/changes/2027-01-01-gemini-3.6-flash-increaseFri, 01 Jan 2027 00:00:00 GMTPromotional pricing ends: input $0.75 → $1.50, output $3.75 → $7.50 per 1M tokens. https://llmcost.pitropatro.com/changes/2026-12-01-gemini-4-argon-increaseTue, 01 Dec 2026 00:00:00 GMTLaunch pricing ends: input $2 → $4, output $10 → $20 per 1M tokens. https://llmcost.pitropatro.com/changes/2026-11-21-gpt-5.6-sol-watchSat, 21 Nov 2026 00:00:00 GMTOpenAI says promotional pricing is available "at least through November 21, 2026". It may rise after that date. https://llmcost.pitropatro.com/changes/2026-10-18-mistral-large-4-saleSun, 18 Oct 2026 00:00:00 GMTListed at 50% off ($0.68 / $2.09, regular $1.36 / $4.18). No end date published. https://llmcost.pitropatro.com/changes/2026-10-18-claude-sonnet-5-decreaseSun, 18 Oct 2026 00:00:00 GMTThe $2 / $10 launch price is now permanent; the planned increase to $3 / $15 was cancelled.