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GPT-5.5 Pro API Pricing — OpenAI Stored Rates & Alternatives | ModelPriceLab

GPT-5.5 Pro

Name: GPT-5.5 Pro
Brand: OpenAI
Availability: InStock

Active

Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding

Input / 1M tokens

$30.00

Output / 1M tokens

$180.00

Record updated 2026-09-09

Modality:LLM

Context:1,050,000 tokens

Release:Apr 23, 2026

Platform

Scope

Input

Output

Details

Official

Standard

$30.00

$180.00

1.1M context · 128k max output

No recent changes.

No benchmark data available.

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