AI Model Catalog: 4 Models Compared — Pricing, Context & Benchmarks

OpenAI: GPT-5.5 T

Reasoning Tools JSON 78.7

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 75.0

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

OpenAI: GPT-5.4 mini T

Reasoning Tools JSON 72.1

Strong small GPT for coding subagents, quick tool use, and high-volume work

openai/gpt-5.4-mini 2026-03-17 400K context $0.75/M input $4.5/M output

31 providers

OpenAI: GPT-5.4 nano T

Reasoning Tools JSON 39.0

Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation

openai/gpt-5.4-nano 2026-03-17 400K context $0.2/M input $1.25/M output

27 providers

Filterable model directory
Model	Creator	Score	Inputs	Context	Input	Output	Released
GPT-5.5openai/gpt-5.5	OpenAI	78.7	T	1.05M	$5	$30	2026-04-23
GPT-5.4openai/gpt-5.4	OpenAI	75.0	T	1.05M	$2.5	$15	2026-03-05
GPT-5.4 miniopenai/gpt-5.4-mini	OpenAI	72.1	T	400K	$0.75	$4.5	2026-03-17
GPT-5.4 nanoopenai/gpt-5.4-nano	OpenAI	39.0	T	400K	$0.2	$1.25	2026-03-17