AI Flash Report

GPT-5.5 Instant API price history

GPT-5.5 Instant (OpenAI) currently costs $5.00 per million input tokens and $30.00 per million output tokens. No price change has been observed since tracking began on 2026-06-01. Confirmed unchanged as of 2026-06-15.

Price timeline

$0 $8.25 $16.50 $24.75 $33.00 2026-06-01 2026-06-15 Input: $5.00/Mtok observed 2026-06-01 Output: $30.00/Mtok observed 2026-06-01 Input / Mtok Output / Mtok

Single observed price point — the line shows the price holding steady from first observation through the latest weekly verification.

Every observed price point

GPT-5.5 Instant dated API price observations
Observed Input / Mtok Output / Mtok Cache read / Mtok Source
$5.00 $30.00 $0.50 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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