Ratings and Reviews 1 Rating

Total 5 out of 5 stars
ease 5 out of 5 stars
features 4 out of 5 stars
design 5 out of 5 stars

Ratings and Reviews 0 Ratings

Total 0 out of 5 stars
ease 0 out of 5 stars
features 0 out of 5 stars
design 0 out of 5 stars
support 0 out of 5 stars

This software has no reviews. Be the first to write a review.

Write a Review

Alternatives to Consider

  • Gemini platform Reviews & Ratings
    4.3 out of 5 stars 1,178 Ratings
    Company Website for Gemini platform
  • Google AI Studio Reviews & Ratings
    4.8 out of 5 stars 42 Ratings
    Company Website for Google AI Studio
  • LM-Kit.NET Reviews & Ratings
    4.8 out of 5 stars 29 Ratings
    Company Website for LM-Kit.NET
  • LTX Reviews & Ratings
    4.4 out of 5 stars 182 Ratings
    Company Website for LTX
  • Innoslate Reviews & Ratings
    4.5 out of 5 stars 99 Ratings
    Company Website for Innoslate
  • FinOpsly Reviews & Ratings
    4.7 out of 5 stars 3 Ratings
    Company Website for FinOpsly
  • Anaconda Reviews & Ratings
    4.4 out of 5 stars 626 Ratings
    Company Website for Anaconda
  • Planview Software Product Delivery Reviews & Ratings
    5.0 out of 5 stars 2 Ratings
    Company Website for Planview Software Product Delivery
  • Qloo Reviews & Ratings
    5.0 out of 5 stars 23 Ratings
    Company Website for Qloo
  • Passwork Reviews & Ratings
    4.7 out of 5 stars 129 Ratings
    Company Website for Passwork

What is GPT-5.6 Luna?

GPT-5.6 Luna is the lowest-cost model in OpenAI’s GPT-5.6 family, built for fast and affordable AI assistance across everyday and technical workflows. The GPT-5.6 lineup includes Sol as the flagship model, Terra as the balanced model for everyday work, and Luna as the efficient model for users who need strong capability at lower cost. Luna is intended for developers, businesses, and teams that need scalable AI for coding help, workflow automation, research support, analysis, customer-facing applications, and high-volume API usage. In the pasted preview text, Luna is presented as part of the same GPT-5.6 release process and benchmark set as Sol and Terra. It appears in evaluations for command-line coding workflows, long-horizon biology tasks, ExploitBench, and ExploitGym, indicating that it is designed to handle more than simple chat use cases. The model is priced at a lower per-token rate than Sol and Terra, making it more suitable for applications where cost efficiency is a major priority. GPT-5.6 Luna also supports the new GPT-5.6 prompt caching approach, including explicit cache breakpoints, a 30-minute minimum cache life, cache writes billed above the uncached input rate, and discounted cached-input reads. Like the rest of the GPT-5.6 family, Luna is developed with layered safeguards matched to model capability. These safeguards include trained refusals for prohibited cyber assistance, real-time misuse classifiers, paused generation for higher-risk cases, account-level review, monitoring, enforcement, automated red-teaming, and third-party human expert red-teaming. Luna is expected to support legitimate defensive and technical workflows such as code review, debugging, patch development, security education, and defensive testing while making prohibited misuse more difficult and detectable. GPT-5.6 Luna helps organizations deploy GPT-5.6-class AI where speed, affordability, scalability, and safe production use are the most important requirements.

What is GPT-5.3 Instant?

GPT-5.3 Instant is an upgraded conversational model built to improve the everyday ChatGPT experience through smoother dialogue and stronger reliability. Rather than focusing solely on benchmark gains, this release emphasizes subtle but impactful qualities such as tone, conversational flow, and contextual awareness. The update reduces unnecessary refusals and trims overly cautious disclaimers, allowing responses to feel more direct and useful. It applies improved judgment in sensitive areas, striking a better balance between safety and helpfulness. Web-assisted answers have been refined to prioritize synthesis and relevance over lengthy link compilations. The model is less likely to over-rely on search results and instead integrates them thoughtfully with its existing knowledge. Accuracy has improved substantially, with measurable decreases in hallucination rates both with and without web access. Internal evaluations show particular gains in higher-stakes areas like law, finance, and medicine. GPT-5.3 Instant also strengthens its writing capabilities, producing prose that feels more textured, immersive, and emotionally controlled. These enhancements support both practical problem-solving and creative expression within the same conversational framework. The overall goal is to preserve ChatGPT’s familiar personality while delivering a more polished and capable interaction. GPT-5.3 Instant is now available to all users in ChatGPT and to developers via the API, with legacy models scheduled for phased retirement.

Media

Media

Integrations Supported

Azure OpenAI Service
CSS
ChatGPT Plus
Codex CLI
EaseMate AI
Java
Kineto by JetBrains
Kotlin
LobeHub
Microsoft 365 Copilot
Microsoft SharePoint
Microsoft Teams
PHP
React
Rust
SQL
ThreadMaster.ai
TypeScript
Visual Studio Code
Xcode

Integrations Supported

Azure OpenAI Service
CSS
ChatGPT Plus
Codex CLI
EaseMate AI
Java
Kineto by JetBrains
Kotlin
LobeHub
Microsoft 365 Copilot
Microsoft SharePoint
Microsoft Teams
PHP
React
Rust
SQL
ThreadMaster.ai
TypeScript
Visual Studio Code
Xcode

API Availability

Has API

API Availability

Pricing Information

$0.20 per 1M tokens (input)
$0.20 input / $1.20 output per 1 million tokens

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com

Categories and Features

AI Coding Models

Not specified

AI Models

Not specified

AI Reasoning Models

Not specified

AI Vision Models

Not specified

Foundation Models

Not specified

Large Language Models

Not specified

Categories and Features

AI Coding Models

Not specified

AI Models

Not specified

AI Reasoning Models

Not specified

Foundation Models

Not specified

Large Language Models

Not specified

Multimodal Models

Not specified

Popular Alternatives

GPT-6.1 Terra Reviews & Ratings

GPT-6.1 Terra

OpenAI
5.0 out of 5 stars

Popular Alternatives

GPT-6.1 Sol Reviews & Ratings

GPT-6.1 Sol

OpenAI
5.0 out of 5 stars
Claude Opus 4.6 Reviews & Ratings

Claude Opus 4.6

Anthropic
5.0 out of 5 stars
Gemini 4 Argon Reviews & Ratings

Gemini 4 Argon

Google
5.0 out of 5 stars
Claude Sonnet 4.6 Reviews & Ratings

Claude Sonnet 4.6

Anthropic
5.0 out of 5 stars
GPT-5.6 Terra Reviews & Ratings

GPT-5.6 Terra

OpenAI
5.0 out of 5 stars
GPT-5.1 Pro Reviews & Ratings

GPT-5.1 Pro

OpenAI
5.0 out of 5 stars