Model Price Index
Updated 2026-07-14 · Changelog

GPT-5.5

OpenAI

Frontier model delivering a new class of intelligence for coding and professional work

$5.00

Input

$30.00

Output

per 1M tokens

Ratesper 1M tokens

Input$5.00
Output$30.00
Cache Read$0.50
Batch Input$2.50
Batch Output$15.00

Estimate Your Monthly Cost

A request with input and output tokens, requests / month at a % cache hit rate $950.00/mo

Compare all models at this workload →

Excludes cache writes and batch discounts.

Also routable via OpenRouter at the same list price. OpenRouter adds a 5.5% platform fee on pay-as-you-go credits (verified 2026-07-08).

Specifications

API Model IDgpt-5.5
Context Window272K tokens
Max Output128K tokens
Modalitiestext · image
Capabilitiestool-use · streaming · json-mode · vision · code

More OpenAI Text / Chat Models

GPT-5.6 Sol · GPT-5.6 Terra · GPT-5.6 Luna · GPT-5.5 Pro · GPT-5.4 Pro · GPT-5.4 · GPT-5.4 mini · GPT-5.4 nano ·