GPT-5.6 Pro

GPT-5.6 Pro

OpenAI
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About

Composer 2.5 is the latest AI coding model released by Cursor, offering major improvements in intelligence, collaboration, and long-task performance compared to Composer 2. The model is designed to follow complex instructions more accurately while providing a smoother and more natural user experience during coding sessions. Cursor enhanced Composer 2.5 through larger-scale training, more advanced reinforcement learning environments, and improved behavioral tuning focused on communication and effort calibration. The model uses targeted reinforcement learning with textual feedback to correct specific mistakes during training, helping it avoid issues like invalid tool calls or poor coding behavior. Composer 2.5 was also trained using significantly more synthetic coding tasks, enabling it to handle increasingly difficult programming challenges and real-world development scenarios.

About

GPT-5.6 Pro is not officially announced, but public discussion describes it as the expected higher-reasoning variant of a possible GPT-5.6 release. A pro-tier model for harder professional work, especially coding, research, information synthesis, data analysis, document-heavy tasks, business, legal, education, and scientific workflows. GPT-5.6 is being prepared as a meaningful improvement over GPT-5.5, with expected gains in reasoning quality, efficiency, safety, coding, and agentic task performance. Reported signals include a briefly visible Codex rollout-mapping entry referencing GPT-5.6 and prediction-market speculation around a late-June launch. Rumor coverage also claims some ChatGPT Pro users may have seen stealth-tested behavior under the GPT-5.5 Pro label, with sharper results, longer processing for complex tasks, stronger backend coding, improved logic, and more creative technical generation such as 3D, SVG, simulation, and UI-related outputs.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Software developers, engineering teams, AI researchers, and enterprise organizations looking for advanced AI-assisted coding and large-scale software development solutions

Audience

AI power users and technical teams who need a higher-reasoning model for complex coding, research, analysis, and long-running agentic work

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$0.50/M input
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Cursor
Founded: 2022
United States
cursor.com

Company Information

OpenAI
Founded: 2015
United States
openai.com

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GPT-5.6

GPT-5.6

OpenAI
Composer 1

Composer 1

Cursor
MiniMax M3

MiniMax M3

MiniMax

Categories

Categories

Integrations

Cursor
Amazon Bedrock
Brokk
FastRouter
GPT-5.1-Codex-Max
GPT-5.5 Thinking
IntelliJ IDEA
JavaScript
Kimi K2 Thinking
Kotlin
LaunchLemonade
Microsoft Foundry
Muse
Pi Agent
Rust
Simtheory
SpawnHQ
TranslateAI
Use AI
Warp

Integrations

Cursor
Amazon Bedrock
Brokk
FastRouter
GPT-5.1-Codex-Max
GPT-5.5 Thinking
IntelliJ IDEA
JavaScript
Kimi K2 Thinking
Kotlin
LaunchLemonade
Microsoft Foundry
Muse
Pi Agent
Rust
Simtheory
SpawnHQ
TranslateAI
Use AI
Warp
Claim Composer 2.5 and update features and information
Claim Composer 2.5 and update features and information
Claim GPT-5.6 Pro and update features and information
Claim GPT-5.6 Pro and update features and information