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

OpenAI: GPT-5.5 T

Reasoning Tools JSON 44.8

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

50 providers

OpenAI: GPT-5.4 T

Reasoning Tools JSON 44.3

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

46 providers

OpenAI: GPT-5.3 Codex T

Reasoning Tools JSON 42.4

Coding-optimized GPT model for repository edits, reviews, and agentic software work

openai/gpt-5.3-codex 2026-02-05 400K context $1.75/M input $14/M output

33 providers

Zhipu AI: GLM-5 T

Reasoning Tools Open weights 24.2

General GLM flagship for coding, analysis, and tool-heavy engineering workflows

zhipuai/glm-5 2026-02-12 204.8K context $0.598/M input $2.689/M output

41 providers

Filterable model directory
Model	Creator	Score	Inputs	Context	Input	Output	Released
GPT-5.5openai/gpt-5.5	OpenAI	44.8	T	1.05M	$5	$30	2026-04-23
GPT-5.4openai/gpt-5.4	OpenAI	44.3	T	1.05M	$2.5	$15	2026-03-05
GPT-5.3 Codexopenai/gpt-5.3-codex	OpenAI	42.4	T	400K	$1.75	$14	2026-02-05
GLM-5zhipuai/glm-5	Zhipu AI	24.2	T	204.8K	$0.598	$2.689	2026-02-12