CodeSmart
All providers
ai labUSest. 2015

ChatGPT (OpenAI)

OpenAI's ChatGPT offers access to GPT-4o, o3, and o4-mini models for coding, reasoning, and general tasks. Codex CLI provides terminal-native AI coding. The Pro plan unlocks the most powerful models with expanded limits.

Official pricingEstimated9d ago
Plans
1
Models
6
Starting at
$20/mo
Last verified
2026-06-14

Models

GPT-5.5
codingreasoning
AA Intelligence Index54.8%
AA Coding Index74.9%
Verified
GPT-5.4
codingreasoning
AA Intelligence Index51.4%
AA Coding Index71.1%
Verified
GPT-5.3 Codex
codingreasoning
AA Intelligence Index44.3%
Verified
GPT-5.4 mini
codingreasoning
AA Intelligence Index40%
AA Coding Index56.1%
Verified
GPT-5.4 nano
codingreasoning
AA Intelligence Index38.2%
AA Coding Index56.1%
Verified
GPT-5.5 Instant
codingreasoning
AA Intelligence Index33.5%
Verified

Plans

Best Value
OpenAIPro

ChatGPT Plus

0
$20/mo
Estimated

Usage

160 messages

160 messages per 3-hour rolling window on standard advanced models. GPT-4o-class messages are more generous and undisclosed. Limits may adjust dynamically.

Verified

Models included

GPT-5.5GPT-5.4+1 more
Agent / AgenticAPI AccessCLIWeb SearchFile UploadsPriority QueueIDEs: VS Code (Copilot mode requires separate plan)
Verified 2026-06-14View plan