AI Model Catalog: 5 Models Compared — Pricing, Context & Benchmarks

OpenAI: GPT-5.6 Sol T

Reasoning Tools JSON 88.8

Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows

openai/gpt-5.6-sol 2026-07-09 1.05M context $4/M input $20/M output

36 providers

OpenAI: GPT-5.6 Terra T

Reasoning Tools JSON 87.4

Balanced GPT-5.6 model for capable, cost-efficient everyday work

openai/gpt-5.6-terra 2026-07-09 1.05M context $2/M input $12/M output

35 providers

OpenAI: GPT-5.6 Luna T

Reasoning Tools JSON 84.7

Cost-efficient GPT-5.6 model for fast, high-volume workloads

openai/gpt-5.6-luna 2026-07-09 1.05M context $0.2/M input $1.2/M output

36 providers

OpenAI: GPT-5.5 T

Reasoning Tools JSON 78.2

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 69.8

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-5.6 Solopenai/gpt-5.6-sol	OpenAI	88.8	T	1.05M	$4	$20	2026-07-09
GPT-5.6 Terraopenai/gpt-5.6-terra	OpenAI	87.4	T	1.05M	$2	$12	2026-07-09
GPT-5.6 Lunaopenai/gpt-5.6-luna	OpenAI	84.7	T	1.05M	$0.2	$1.2	2026-07-09
GPT-5.5openai/gpt-5.5	OpenAI	78.2	T	1.05M	$5	$30	2026-04-23
GPT-5.4openai/gpt-5.4	OpenAI	69.8	T	1.05M	$2.5	$15	2026-03-05