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GPTFlagship

GPT 5.5 Pricing History

Current pricing: $5.00 input / $30.00 output per million tokens.

Input / MTok

$5.00

Output / MTok

$30.00

Cache discount

90% off

Context window

128K

Changelog

Price changes

2 recorded changes for GPT 5.5.

Date

Provider

Field

Change

Direction

Jun 1, 2026

GPT

Input price

$6.00 → $5.00/MTok

Down

May 15, 2026

GPT

Input price

$7.50 → $6.00/MTok

Down

Compare

How GPT 5.5 compares

Current pricing vs other flagship models across providers.

Model

Provider

Input $/MTok

Output $/MTok

GPT 5.5Current

GPT

$5.00

$30.00

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