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Description

ChatGPT's latest iteration, GPT-5.5 Instant, serves as the updated default model, engineered to enhance intelligence and precision, offering responses that are clearer and more concise, effectively catering to individual user needs. Designed for daily interactions for millions, this upgrade enriches routine conversations by delivering stronger, more focused answers across various topics while maintaining a natural conversational flow and effectively utilizing shared context for personalized experiences. With notable advancements in reliability, GPT-5.5 Instant demonstrates marked improvements in factual accuracy, particularly in critical fields such as medicine, law, and finance, where precision is paramount. Additionally, it exhibits heightened proficiency in handling everyday tasks, notably in processing photo and image uploads, addressing STEM inquiries, and discerning when to employ web searches for optimal responses. The answers generated are succinct and direct, yet retain the essence and engaging character that make ChatGPT a pleasure to use, thus enhancing user satisfaction and interaction quality. This model, therefore, not only aims to meet users’ expectations but also strives to exceed them in every conversation.

Description

GPT-5.6 Luna is OpenAI’s fast, cost-efficient model in the GPT-5.6 lineup. The GPT-5.6 family includes Sol for flagship performance, Terra for balanced everyday work, and Luna for strong capability at the lowest listed price. Luna is designed for users who need scalable AI support for routine tasks, coding assistance, workflow automation, analysis, and production API use cases where speed and cost matter. According to the pasted preview text, Luna is priced below both Sol and Terra, making it the most affordable GPT-5.6 option for high-volume workloads. The model is included in GPT-5.6 benchmark previews across Terminal-Bench 2.1, GeneBench v1, ExploitBench, and ExploitGym, showing that it is part of the same technical family used for coding, biology, and cybersecurity evaluations. Luna benefits from safeguards developed across the GPT-5.6 series, including model-level refusal training, real-time cyber and biology misuse classifiers, account-level signals, differentiated access, monitoring, enforcement, and ongoing testing. These controls are designed to preserve legitimate use cases such as debugging, code review, defensive testing, security education, and productivity automation while constraining prohibited misuse. GPT-5.6 Luna is planned for broader access through ChatGPT, Codex, and the API after the limited preview period. GPT-5.6 Luna helps developers and organizations run useful AI workflows with a practical balance of affordability, responsiveness, and safety.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

ChatGPT Yes 
ChatGPT Enterprise Yes 
ChatGPT Plus Yes 
ChatGPT Pro Yes 
Amazon Web Services (AWS) No 
ChatGPT Go No 
Kubernetes No 
LobeHub No 
Microsoft 365 No 
Microsoft 365 Copilot Chat No 
Microsoft Foundry Models No 
NextDocs No 
OpenClaw No 
SimpleClaw No 
Simtheory No 
Springhub No 
ThreadMaster.ai No 
Transor No 
Wikis.ai No 
Yonoo No 

Integrations

ChatGPT Yes 
ChatGPT Enterprise Yes 
ChatGPT Plus Yes 
ChatGPT Pro Yes 
Amazon Web Services (AWS) Yes 
ChatGPT Go Yes 
Kubernetes Yes 
LobeHub Yes 
Microsoft 365 Yes 
Microsoft 365 Copilot Chat Yes 
Microsoft Foundry Models Yes 
NextDocs Yes 
OpenClaw Yes 
SimpleClaw Yes 
Simtheory Yes 
Springhub Yes 
ThreadMaster.ai Yes 
Transor Yes 
Wikis.ai Yes 
Yonoo Yes 

Pricing Details

No price information available.
Free Trial Yes 
Free Version Yes 

Pricing Details

$0.20 per 1M tokens (input)
$0.20 input / $1.20 output per 1 million tokens
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com/index/gpt-5-5-instant/

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com

Alternatives

Alternatives

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