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What is SWE-1.5?

Cognition has introduced SWE-1.5, the latest agent-model tailored for software engineering, which boasts an extensive "frontier-size" architecture comprising hundreds of billions of parameters alongside a comprehensive end-to-end optimization that enhances both its speed and intelligence. This advanced model nearly reaches state-of-the-art coding capabilities and sets a new benchmark for latency, achieving inference speeds of up to 950 tokens per second, which is nearly six times the speed of its forerunner, Haiku 4.5, and thirteen times faster than Sonnet 4.5. Developed through rigorous reinforcement learning in realistic coding-agent environments that entail multi-turn workflows, unit tests, and quality evaluations, SWE-1.5 utilizes integrated software tools and high-performance hardware, including thousands of GB200 NVL72 chips coupled with a bespoke hypervisor infrastructure. Its innovative design facilitates more efficient management of intricate coding challenges and significantly boosts productivity for software development teams. With its combination of rapid performance, efficiency, and smart engineering, SWE-1.5 is set to revolutionize the coding model landscape and help developers tackle their tasks more effectively. The potential impact of this model on the future of software engineering practices cannot be overstated.

What is GPT-5.1 Thinking?

GPT-5.1 Thinking is an advanced reasoning model within the GPT-5.1 series, designed to effectively manage "thinking time" based on the difficulty of prompts, thus facilitating faster responses to simple questions while allocating more resources to complex challenges. When compared to its predecessor, this model boasts nearly double the efficiency for straightforward tasks and requires twice the time for more intricate inquiries. It prioritizes the clarity of its answers, steering clear of jargon and ambiguous terms, which significantly improves the understanding of complex analytical tasks. The model skillfully adjusts its depth of reasoning, striking a balance between speed and thoroughness, particularly when it comes to technical topics or inquiries requiring multiple steps. By combining powerful reasoning capabilities with improved clarity, GPT-5.1 Thinking stands out as an essential tool for managing complex projects, such as detailed analyses, coding, research, or technical conversations, while also reducing wait times for simpler requests. This enhancement not only aids users in need of quick solutions but also effectively supports those engaged in higher-level cognitive tasks, making it a versatile asset in various contexts of use. Overall, GPT-5.1 Thinking represents a significant leap forward in processing efficiency and user engagement.

Media

Media

Integrations Supported

AiAssistWorks
Azure OpenAI Service
C++
ChatGPT Pro
FastRouter
GitHub
Go
JavaScript
Kimi K2 Thinking
Kineto by JetBrains
LaunchLemonade
Microsoft Teams
OpenCode
React
Rust
SQL
Shiori
ThreadMaster.ai
Transor
TypeScript

Integrations Supported

AiAssistWorks
Azure OpenAI Service
C++
ChatGPT Pro
FastRouter
GitHub
Go
JavaScript
Kimi K2 Thinking
Kineto by JetBrains
LaunchLemonade
Microsoft Teams
OpenCode
React
Rust
SQL
Shiori
ThreadMaster.ai
Transor
TypeScript

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Cognition

Date Founded

2023

Company Location

United States

Company Website

cognition.ai/blog/swe-1-5

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com/index/gpt-5-1/

Categories and Features

Categories and Features

Artificial Intelligence

Chatbot
For Healthcare
For Sales
For eCommerce
Image Recognition
Machine Learning
Multi-Language
Natural Language Processing
Predictive Analytics
Process/Workflow Automation
Rules-Based Automation
Virtual Personal Assistant (VPA)

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