AI Flash Report

GPT-5 API price history

GPT-5 (OpenAI) currently costs $2.50 per million input tokens and $12.00 per million output tokens. Its price book last changed on 2026-05-11. Confirmed unchanged as of 2026-06-15.

Price timeline

$0 $3.30 $6.60 $9.90 $13.20 2026-04-12 2026-06-15 Input: $2.50/Mtok observed 2026-04-12 Input: $2.50/Mtok observed 2026-05-11 Output: $12.00/Mtok observed 2026-04-12 Output: $12.00/Mtok observed 2026-05-11 Input / Mtok Output / Mtok

Every observed price point

GPT-5 dated API price observations
Observed Input / Mtok Output / Mtok Cache read / Mtok Source
$2.50 $12.00 — archive backfill
$2.50 $12.00 $0.12 archive backfill

Dates are when our snapshot observed the price, not necessarily the vendor's announcement date. Prices from each lab's official pricing page, per million tokens.

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