AI Model Catalog: 3 Models Compared — Pricing, Context & Benchmarks

OpenAI: GPT-5.5 Pro T

Reasoning Tools JSON 90.1

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

openai/gpt-5.5-pro 2026-04-23 1.05M context $30/M input $180/M output

18 providers

OpenAI: GPT-5.5 T

Reasoning Tools JSON 84.4

Default frontier GPT for coding, computer use, research, and knowledge work

openai/gpt-5.5 2026-04-23 1.05M context $5/M input $30/M output

46 providers

OpenAI: GPT-5.4 T

Reasoning Tools JSON 82.7

Agent-ready GPT for coding and computer-use workflows at a lower cost

openai/gpt-5.4 2026-03-05 1.05M context $2.5/M input $15/M output

42 providers

Filterable model directory
Model	Creator	Score	Inputs	Context	Input	Output	Released
GPT-5.5 Proopenai/gpt-5.5-pro	OpenAI	90.1	T	1.05M	$30	$180	2026-04-23
GPT-5.5openai/gpt-5.5	OpenAI	84.4	T	1.05M	$5	$30	2026-04-23
GPT-5.4openai/gpt-5.4	OpenAI	82.7	T	1.05M	$2.5	$15	2026-03-05