SWE-1.5

SWE-1.5

Cognition
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+

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About

Context Nine is a collection of developer tools for carrying coding-agent work and project context across machines. Its public launcher installs pinned releases of independently versioned components and verifies their integrity. The tools cover code-folder synchronization, shared agent skills and instructions, and an Obsidian-oriented context workspace for organizing project knowledge. Developers can select the components that fit their workflow and use them alongside coding agents across Mac and Linux systems. The toolkit is intended for software engineers and teams running coding agents on multiple machines. Some hosted integrations are private; the public launcher is released under the MIT license.

About

SWE-1.5 is the latest agent-model release by Cognition, purpose-built for software engineering and characterized by a “frontier-size” architecture comprising hundreds of billions of parameters and optimized end-to-end (model, inference engine, and agent harness) for both speed and intelligence. It achieves near-state-of-the-art coding performance and sets a new benchmark in latency, delivering inference speeds up to 950 tokens/second, roughly six times faster than its predecessor Haiku 4.5 and thirteen times faster than Sonnet 4.5. The model was trained using extensive reinforcement learning in realistic coding-agent environments with multi-turn workflows, unit tests, quality rubrics, and browser-based agentic execution; it also benefits from tightly integrated software tooling and high-throughput hardware (including thousands of GB200 NVL72 chips and a custom hypervisor infrastructure).

Platforms Supported

Windows Not Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software engineers and teams running coding agents across Mac and Linux machines

Audience

Software engineering teams and organizations looking for a tool offering an AI coding agent capable of rapid, accurate code generation, large-scale codebase navigation and real-time developer augmentation

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

Free
A free version is available.
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

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

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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 Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Context Nine
South Africa
ctx9.com

Company Information

Cognition
Founded: 2023
United States
cognition.ai/blog/swe-1-5

Alternatives

Alternatives

SWE-1.6

SWE-1.6

Cognition
Big Pickle

Big Pickle

OpenCode
GLM-4.6

GLM-4.6

Z.ai
Ring 2.6

Ring 2.6

Ant Group

Categories

Agentic DevOps Supported

Categories

AI Coding Models Supported
AI Models Supported

Integrations

Obsidian Supported

Integrations

Obsidian Not Supported
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