Best sideOS alternatives in 2026
The best sideOS alternatives in 2026 are ShogunAI, Context Engine, Glean. Context Engine has a free plan.
Why people look for sideOS alternatives
- Apple Silicon Macs with macOS 14 or later only
- Agent use adds API costs unless you run a local model
- No free trial or refund window stated on the site
- Licence covers one Mac at a time
- sideOS pricing model: Paid.
Best sideOS alternative by need
| # | Tool | Pricing | Starts at | Best for | Platforms | Votes |
|---|---|---|---|---|---|---|
| 1 | ShogunAI Mac assistant that remembers your work and drafts in your voice | Paid | $62/mo | Freelancers, Small businesses | macos | 0 |
| 2 | Context Engine Shared memory that AI agents and team members read and write | Freemium | $12/mo | Small businesses, Developers, Agencies | web | 0 |
| 3 | Glean Enterprise AI search and assistant across all your company apps | Paid | — | Enterprise | web | 0 |
| 4 | RunInfra Open-model API with flat monthly plans for coding agents | Paid | $10/mo | Developers, Freelancers, Small businesses | web | 0 |
| 5 | DeepSeek Free AI chat app and low-cost API built on open-weight models | Freemium | — | Developers, Small businesses, Enterprise | web, ios, android | 0 |
| 6 | Cursor AI-first code editor with agents, now owned by SpaceX | Freemium | $8/mo | Developers, Small businesses, Enterprise | macos, windows, linux, web | 0 |
| 7 | Grok xAI's AI assistant with live X data, bundled with X and Cursor | Freemium | $8/mo | Creators, Developers, Freelancers | web, ios, android | 0 |
| 8 | Kai AI executive assistant for email, meetings, calendar and tasks | Paid | $20/mo | Freelancers, Small businesses, Enterprise | web, macos, android | 0 |
| 9 | ChatGPT OpenAI's conversational assistant | Freemium | $8/mo | Small businesses, Creators, Developers | web, ios, android, macos, windows | 0 |
| 10 | Claude Anthropic's AI assistant for writing, analysis and code | Freemium | $20/mo | Developers, Small businesses, Creators | web, ios, android, macos, windows | 0 |
10 sideOS alternatives compared
- 1
ShogunAI
Mac assistant that remembers your work and drafts in your voice
Best for: Consultants, founders and managers on Apple silicon Macs who want one searchable memory of their work and drafting in their own voice.
Paid · $62sideOS vs ShogunAI - 2
Context Engine
Shared memory that AI agents and team members read and write
Best for: Small teams and agencies that use several AI assistants and want one shared, auditable memory across them.
- 3
Glean
Enterprise AI search and assistant across all your company apps
Best for: Large companies with knowledge spread across dozens of SaaS tools that need permission-safe AI search and assistants.
PaidsideOS vs Glean - 4
RunInfra
Open-model API with flat monthly plans for coding agents
Best for: Developers who use coding agents heavily and want open models at a flat, predictable monthly price.
Paid · $10sideOS vs RunInfra - 5
DeepSeek
Free AI chat app and low-cost API built on open-weight models
Best for: Developers and cost-conscious teams who want strong reasoning and coding models at very low API prices or as open weights.
- 6
Cursor
AI-first code editor with agents, now owned by SpaceX
Best for: Professional developers and engineering teams who want an AI agent built into the editor rather than bolted on.
- 7
Grok
xAI's AI assistant with live X data, bundled with X and Cursor
Best for: Heavy X users and Cursor developers who want real-time social context and one subscription across Grok, X Premium and coding.
- 8
Kai
AI executive assistant for email, meetings, calendar and tasks
Best for: Founders, executives and consultants who want one assistant across email, meetings, calendar and tasks with approval before every action.
Paid · $20sideOS vs Kai - 9
ChatGPT
OpenAI's conversational assistant
Best for: Knowledge workers, students and teams who want one general-purpose assistant with wide capabilities.
- 10
Claude
Anthropic's AI assistant for writing, analysis and code
Best for: Writers, analysts, developers and teams who work with long text or code and value precision.
sideOS alternatives: FAQ
What is the best alternative to sideOS?
Based on features, audience and market presence, the strongest sideOS alternatives are ShogunAI, Context Engine, Glean. ShogunAI is the closest match for most teams.
Is there a free alternative to sideOS?
Context Engine has a free plan with limits; paid plans unlock more. Other alternatives to sideOS with a free or freemium option include DeepSeek, Cursor, Grok.