SWE-2 Flash
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Description
Nex-N2-Pro is an innovative open-source agentic model designed to enhance productivity in real-world scenarios by transforming reasoning into actionable, verifiable, and repeatable tasks. Instead of viewing reasoning, tool utilization, and environmental execution as distinct functions, Nex-N2 integrates these elements within a cohesive framework that aligns requirement comprehension, task organization, code execution, environmental feedback, assessment, debugging, and ongoing refinement into a seamless, closed-loop process. Its unified thinking approach spans searching, programming, and calling agentic tools, adhering to a consistent pattern of breaking down goals, tracking states, adjusting strategies, and performing self-assessments, which proves particularly advantageous in complex workflows that involve both coding and tool interactions. The model's Adaptive Thinking capability allows it to autonomously determine when to engage in deeper thought processes, enabling it to carry out straightforward actions swiftly while dedicating more time to critical decisions for optimal resource management, thus maximizing efficiency. This multifaceted approach ensures that Nex-N2-Pro is well-equipped to tackle a diverse range of tasks in dynamic environments.
Description
SWE-2 Flash is a high-speed AI software engineering model developed by Cognition for automated coding, development workflows, and technical problem-solving. The model is based on Inkling-Small from Thinking Machines and uses a mixture-of-experts architecture containing 276 billion total parameters and 12 billion active parameters. Cognition applies large-scale mid-training and reinforcement learning to improve the model's programming accuracy, reasoning capabilities, and ability to complete complex software engineering tasks. SWE-2 Flash supports code generation, repository maintenance, automated code reviews, feature implementation, documentation updates, and agent-driven software development. Its optimized architecture delivers approximately 200 tokens per second, making it three times faster than SWE-2 while operating at one-fifth the inference cost. The model achieved a score of 24.0% on FrontierCode 2.0, 45.5% on FrontierCode 1.1 Main, and 89.2% on Terminal-Bench 2.1 in Cognition's published evaluations. Training improvements also target general reasoning, problem-solving, and cybersecurity tasks to expand the range of activities supported by autonomous coding agents. SWE-2 Flash is available in Devin Desktop and CLI, allowing developers to incorporate the model into interactive and automated software engineering workflows. Cognition is also developing a controlled model-weight access program for trusted industry partners and researchers interested in fine-tuning, infrastructure control, and deployment in sensitive environments.
API Access
Has API
No
API Access
Has API
No
Integrations
.NET
No
C#
No
CSS
No
Cerebras
No
Devin
No
Devin Desktop
No
Go
No
JavaScript
No
Kubernetes
No
Objective-C
No
Integrations
.NET
Yes
C#
Yes
CSS
Yes
Cerebras
Yes
Devin
Yes
Devin Desktop
Yes
Go
Yes
JavaScript
Yes
Kubernetes
Yes
Objective-C
Yes
Pricing Details
Free
Free Trial
No
Free Version
Yes
Pricing Details
$20/month
Free Trial
No
Free Version
Yes
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)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Vendor Details
Company Name
Nex-AGI
Founded
2025
Country
China
Website
nex-agi.com
Vendor Details
Company Name
Cognition
Founded
2023
Country
United States
Website
cognition.com