OpenAI Models
Browse the 7 OpenAI models currently available on HaoAI. A single HaoAI API Key lets you call every model using either the OpenAI-compatible format or the Anthropic API format. Compare live pricing, context windows, maximum output, and supported capabilities, then open any model to view complete specifications, API setup, and code examples.
OpenAI: GPT-5.6 Sol
Rate 0.15x
OpenAI: GPT-5.6 Sol
openai/gpt-5.6-solContext372K
Max Out128K
Release2026-07-09
Pricing
Price
HaoAI(0.15x)
Official
Input
$0.75/M
$5/M
Output
$4.5/M
$30/M
Cache read
$0.075/M
$0.5/M
Cache creation
$0.938/M
$6.25/M
Chatvisionfunctionreasoningcacheweb search
OpenAI: GPT-5.6 Terra
Rate 0.15x
OpenAI: GPT-5.6 Terra
openai/gpt-5.6-terraContext372K
Max Out128K
Release2026-07-09
Pricing
Price
HaoAI(0.15x)
Official
Input
$0.375/M
$2.5/M
Output
$2.25/M
$15/M
Cache read
$0.037/M
$0.25/M
Cache creation
$0.469/M
$3.13/M
Chatvisionfunctionreasoningcacheweb search
OpenAI: GPT-5.6 Luna
Rate 0.15x
OpenAI: GPT-5.6 Luna
openai/gpt-5.6-lunaContext372K
Max Out128K
Release2026-07-09
Pricing
Price
HaoAI(0.15x)
Official
Input
$0.15/M
$1/M
Output
$0.9/M
$6/M
Cache read
$0.015/M
$0.1/M
Cache creation
$0.188/M
$1.25/M
Chatvisionfunctionreasoningcacheweb search
OpenAI: GPT-5.5
Rate 0.15x
OpenAI: GPT-5.5
openai/gpt-5.5Context272K
Max Out128K
Release2026-04-24
Pricing
Price
HaoAI(0.15x)
Official
Input
$0.75/M
$5/M
Output
$4.5/M
$30/M
Cache read
$0.075/M
$0.5/M
Chatvisionfunctionreasoningcacheweb search
OpenAI: GPT-5.4 Mini
Rate 0.15x
OpenAI: GPT-5.4 Mini
openai/gpt-5.4-miniContext272K
Max Out128K
Release2026-03-17
Pricing
Price
HaoAI(0.15x)
Official
Input
$0.113/M
$0.75/M
Output
$0.675/M
$4.5/M
Cache read
$0.011/M
$0.075/M
Chatvisionfunctionreasoningcacheweb search
OpenAI: GPT-5.4
Rate 0.15x
OpenAI: GPT-5.4
openai/gpt-5.4Context272K
Max Out128K
Release2026-03-05
Pricing
Price
HaoAI(0.15x)
Official
Input
$0.375/M
$2.5/M
Output
$2.25/M
$15/M
Cache read
$0.037/M
$0.25/M
Chatvisionfunctionreasoningcacheweb search
OpenAI: GPT-5.3 Codex
Rate 0.15x
OpenAI: GPT-5.3 Codex
openai/gpt-5.3-codexContext272K
Max Out128K
Release2026-02-25
Pricing
Price
HaoAI(0.15x)
Official
Input
$0.263/M
$1.75/M
Output
$2.1/M
$14/M
Cache read
$0.026/M
$0.175/M
Chatvisionfunctionreasoningcacheweb searchvideoaudio
Frequently asked questions
This page currently lists 7 public OpenAI models: GPT-5.6 Sol, GPT-5.6 Terra, GPT-5.6 Luna, GPT-5.5, GPT-5.4 Mini, GPT-5.4, and GPT-5.3 Codex. The catalog updates as model availability changes, so refer to the live list on this page.