OpenAI

Model CreatorCoding Tool

Models

Prompt Caching

✓

Batch Discount

✓

Tool Calling

✓

Model28

Coding subscription

What this vendor sells as a flat monthly plan, and what each tier grants. Equivalent API value prices the allowance at this vendor's own API rates.

Plan	Price / month	Equivalent API value	Value multiple	Main allowance	Models	When it runs out
OpenAI$20–$2004 plans
ChatGPT Plus Official page	$20	$32 Priced on GPT-5.6 Sol	1.58×	message/5h 15–90 Codex messages per 5-hour window message/5h 20–110 Codex messages per 5-hour window	GPT-5.6 LunaGPT-5.6 SolGPT-5.6 Terra	—
ChatGPT Pro (5x)Official page	$100	$158 Priced on GPT-5.6 Sol	1.58×	message/5h 75–450 Codex messages per 5-hour window message/5h 100–550 Codex messages per 5-hour window	GPT-5.6 LunaGPT-5.6 SolGPT-5.6 Terra	—
ChatGPT Pro (20x)Official page	$200	$630 Priced on GPT-5.6 Sol	3.15×	message/5h 300–1800 Codex messages per 5-hour window message/5h 400–2200 Codex messages per 5-hour window	GPT-5.6 LunaGPT-5.6 SolGPT-5.6 Terra	—
ChatGPT Business Official page	$25 / per seat $20 billed annually	$32 Priced on GPT-5.6 Sol	1.26×	message/5h 15–90 Codex messages per 5-hour window	GPT-5.6 LunaGPT-5.6 SolGPT-5.6 Terra	—

OpenAI$20–$2004 plans

$20

Value multiple1.58×

$32

Priced on GPT-5.6 Sol

message/5h 15–90 Codex messages per 5-hour window

message/5h 20–110 Codex messages per 5-hour window

GPT-5.6 LunaGPT-5.6 SolGPT-5.6 Terra

$100

Value multiple1.58×

$158

Priced on GPT-5.6 Sol

message/5h 75–450 Codex messages per 5-hour window

message/5h 100–550 Codex messages per 5-hour window

GPT-5.6 LunaGPT-5.6 SolGPT-5.6 Terra

$200

Value multiple3.15×

$630

Priced on GPT-5.6 Sol

message/5h 300–1800 Codex messages per 5-hour window

message/5h 400–2200 Codex messages per 5-hour window

GPT-5.6 LunaGPT-5.6 SolGPT-5.6 Terra

$25 / per seat

$20 billed annually

Value multiple1.26×

$32

Priced on GPT-5.6 Sol

message/5h 15–90 Codex messages per 5-hour window

GPT-5.6 LunaGPT-5.6 SolGPT-5.6 Terra