OpenSpecFission AI
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| Incbury | OpenSpec | |||||
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Related Products
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Incbury:
About
Incbury is an independent UK AI company that develops its own small language models, known as Atom. Incbury Chat is an AI assistant for conversation, writing, research, and analysis, with web search, projects, and file handling. Incbury Code is a coding agent for desktop and terminal workflows, with sidebars for VS Code and Cursor; it can inspect codebases, propose file changes for approval, and run commands and tests. The Incbury API gives developers OpenAI-compatible access to Atom for adding language-model features to applications, including streaming and function calling. Chat offers a free plan with daily fair-use limits; API and Code use prepaid credits. Incbury publishes benchmark results and examples of model limitations. Its products serve individuals, developers, startups, and teams seeking chat, coding assistance, or AI-powered applications.
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OpenSpec:
About
OpenSpec is an open-source spec-driven development framework designed to bring structure and clarity to AI-assisted coding workflows. It introduces a lightweight specification layer that helps teams define requirements before writing code. The platform organizes each change into structured artifacts such as proposals, specifications, designs, and task lists. It integrates with over 20 AI coding tools, allowing developers to use their preferred assistants while maintaining consistency. OpenSpec emphasizes an iterative and flexible approach rather than rigid development phases. Its command-based workflow enables users to propose, implement, and archive features efficiently. Overall, OpenSpec helps developers align with AI systems, reduce ambiguity, and produce more predictable and reliable outcomes.
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Incbury:
Platforms Supported
Windows
Supported
Mac
Not Supported
Linux
Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Not Supported
Android
Supported
Chromebook
Not Supported
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OpenSpec:
Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Incbury:
Audience
Developers, startups and individuals who want an AI chat assistant, coding agent or OpenAI-compatible API
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OpenSpec:
Audience
Developers, product teams, and organizations using AI coding assistants who want a structured, spec-driven approach to improve clarity, collaboration, and development outcomes
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Incbury:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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OpenSpec:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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Incbury:
API
Offers API
Supported
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OpenSpec:
API
Offers API
Not Supported
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Incbury:
Screenshots and Videos |
OpenSpec:
Screenshots and Videos |
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Incbury:
Pricing
£0
Free plan at £0 forever with daily fair-use limits. Pro is £14.99/month and Ultra is £79.99/month, both excluding VAT. Business is £24.99/user/month excl. VAT, with a 2-user minimum. API and Code use prepaid credits; API input is £0.20 per million tokens, cached input £0.05 per million, and output £0.80 per million. Applicable taxes are added at checkout.
Free Version
Supported
Free Trial
Not Supported
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OpenSpec:
Pricing
Free
Open source
Free Version
Supported
Free Trial
Not Supported
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Incbury:
Reviews/
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OpenSpec:
Reviews/
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Incbury:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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OpenSpec:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Incbury:
Company InformationIncbury
Founded: 2025
United Kingdom
incbury.co.uk
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OpenSpec:
Company InformationFission AI
openspec.dev/
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Incbury:
Alternatives |
OpenSpec:
Alternatives |
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OpenSpec:
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Incbury:
Categories |
OpenSpec:
Categories |
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Incbury:
Integrations
Cursor
Supported
Amazon Q Developer
Not Supported
ArchGenerator
Not Supported
Claude Code
Not Supported
Cline
Not Supported
CoStrict
Not Supported
Codebuddy
Not Supported
Crush
Not Supported
Devin Desktop
Not Supported
Gemini CLI
Not Supported
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OpenSpec:
Integrations
Cursor
Supported
Amazon Q Developer
Supported
ArchGenerator
Supported
Claude Code
Supported
Cline
Supported
CoStrict
Supported
Codebuddy
Supported
Crush
Supported
Devin Desktop
Supported
Gemini CLI
Supported
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Incbury:
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OpenSpec:
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