Yansu vs ChatGPT
ChatGPT is a conversational AI that generates text and code when prompted. Yansu observes how you work, learns your patterns, and acts before you ask — building a memory of how you work, handing off the tasks you'd rather skip, and running automations in the background. No prompting needed.
Last updated: March 2026. Yansu is made by Isoform. This comparison is based on publicly available information.
| Feature | Yansu | ChatGPT |
|---|---|---|
| How you start | Automatic -- observes and acts | You write a prompt for every task |
| Acts autonomously (handoffs + automations) | Yes -- runs tasks end-to-end in the background | No -- generates text and code snippets |
| Runs in the background | Yes -- native desktop, local | No -- chat only, no background execution |
| Learns your patterns | Yes -- persistent AI memory | Limited -- memory across conversations only |
| Privacy | Local-first -- data on your device | Cloud-based, data used for training (free/plus) |
| Work pattern observation | Yes -- desktop + 7 messaging platforms | None |
| Messaging integrations | 7 platforms (Slack, Teams, Discord, etc.) | None |
| AI models | Multi-model -- auto-selects best per task | GPT models only |
| Data sources | 65+ sites via OpenCLI + Computer Use API | Web browsing (Plus/Pro), uploaded files |
| Platform | Desktop native (macOS, Windows, Linux) | Web, iOS, Android, desktop apps |
| Compliance | SOC 2 Type II + ISO 27001 | SOC 2 (Business/Enterprise plans) |
| Free tier | Yes -- free tier with limited usage | Yes -- GPT-5.3, limited messages |
| Starting paid price | $20/mo (Pro) | $8/mo (Go) |
What is ChatGPT?
ChatGPT is a conversational AI assistant developed by OpenAI that generates text, code, images, and video in response to user prompts. Launched in November 2022, it uses OpenAI's GPT series of large language models and has grown to over 300 million weekly active users as of early 2026. ChatGPT supports multi-modal input including text, images, and file uploads, and includes features such as web browsing for real-time information, DALL-E image generation, Sora video creation, and custom GPTs for specialized workflows. The platform maintains memory across conversations on paid plans, allowing it to recall preferences and context over time. ChatGPT is available on web, iOS, Android, and native desktop applications for macOS and Windows. Pricing ranges from a free tier with limited access to GPT-5.3, through Go at $8 per month and Plus at $20 per month, up to Pro at $200 per month with access to GPT-5.4 Pro and extended context. Business plans at $25 per user per month add SAML SSO and SOC 2 compliance. ChatGPT requires an explicit prompt for every interaction and does not observe user activity or build applications.
What is Yansu?
Yansu is a proactive AI by Isoform that observes how you work, learns your patterns, and acts before you ask. Unlike tools that require prompting, Yansu runs in the background as a native desktop application on macOS, Windows, and Linux, continuously monitoring your desktop activity and messaging conversations across seven platforms including Slack, Microsoft Teams, Discord, Telegram, WhatsApp, Feishu, and WeChat. When Yansu identifies an opportunity to save time or reduce friction, it autonomously acts -- capturing knowledge, handing off a task end-to-end, or setting up an automation that runs on a schedule or trigger -- drawing on real data integrations from over 65 sources via OpenCLI. Yansu automatically selects the best AI model for each task from Claude, GPT, Gemini, and others. All data stays on your device with SOC 2 Type II and ISO 27001 certification. The free Basic tier includes limited daily chats and core features.
Key Differences
Acts Autonomously vs Generates Text
The most fundamental distinction between Yansu and ChatGPT is what they produce. ChatGPT generates text -- answers, summaries, code snippets, images -- in response to prompts you write. The output lives in the chat window and requires you to copy, implement, and act on it yourself. Yansu acts on your behalf. When it detects a need from your work patterns, it distills what it observes into reusable knowledge and memory, hands off discrete tasks end-to-end, and runs automations on a schedule or trigger. A developer who mentions in Slack that their team keeps asking about build status would prompt ChatGPT to write a script they must then configure and run. Yansu would observe that pattern and set up an automation that surfaces build status pulled directly from their CI pipeline. ChatGPT is a capable assistant for tasks you know to ask about. Yansu identifies tasks you haven't thought to automate yet and handles them for you.
Privacy and Data Ownership
ChatGPT and Yansu handle your data in fundamentally different ways. ChatGPT is cloud-based: every message, file upload, and conversation is processed on OpenAI's servers. On the Free and Plus plans, conversation data may be used to improve OpenAI's models unless you opt out in settings. Business and Enterprise plans disable training data use, but your data still transits and is processed on OpenAI infrastructure. ChatGPT also prohibits submitting sensitive personal data including government IDs and biometric information. Yansu is local-first: your desktop activity observations, AI memory, knowledge, automations, and conversation data are stored on your device in the ~/.yansu-agent directory. Nothing leaves your machine without explicit action. Yansu holds SOC 2 Type II and ISO 27001 certifications, and your data is never used for model training. For individuals and teams handling sensitive work, Yansu's architecture provides categorical data protection that ChatGPT's cloud model cannot match.
Work Pattern Awareness
ChatGPT has no awareness of what you do between conversations. It cannot see your desktop, read your Slack channels, observe your calendar, or detect patterns in your workflow. Each conversation starts with only what you explicitly provide. You must identify a need, articulate it as a prompt, and initiate the interaction. Yansu continuously observes your work across seven messaging platforms and your desktop environment. It builds a persistent model of your patterns -- which tools you use, which tasks are repetitive, which friction points surface regularly in team conversations. When a pattern crosses a threshold, Yansu acts autonomously, handing off the task or setting up an automation without being asked. A team that manually compiles a weekly status report by copying from four tools every Friday would never think to ask ChatGPT for help with that -- but Yansu would identify the pattern and set up an automation that consolidates the report after observing the workflow twice.
Pricing Comparison
Pricing as of March 2026. Check each product's website for current pricing.
| Plan | Yansu | ChatGPT |
|---|---|---|
| Free | $0 -- ~2 handoffs, ~2 automations, ~2 memories/mo | $0 -- GPT-5.3, limited messages, ads (US) |
| Go / Entry | -- | $8/mo -- GPT-5.2 Instant, more messages |
| Pro / Plus | $20/mo -- ~5 handoffs, ~5 automations, ~50 memories/mo | $20/mo -- full model suite, 10 Deep Research/mo |
| Max / Pro | $200/mo -- ~50 handoffs, ~50 automations, ~500 memories/mo | $200/mo -- GPT-5.4 Pro, 250 Deep Research/mo, 2x context |
| Business | -- | $25/user/mo -- SAML SSO, SOC 2 |
| Enterprise | Custom -- shared team memory, SSO/SAML | Custom -- extended context, SCIM, EKM, data residency |
When to Use Each
Use ChatGPT if you...
- Need answers, summaries, or research on demand
- Want to generate, explain, or debug code interactively
- Need image or video generation (DALL-E, Sora)
- Prefer a familiar chat interface for ad-hoc tasks
- Already know what you want and can describe it in a prompt
Use Yansu if you...
- Want tasks handled and automations run proactively from your work patterns
- Need privacy-first, local data that never leaves your device
- Work across Slack, Teams, Discord, or other messaging platforms
- Need tools that pull from 65+ real-world data sources
- Are non-technical and don't want to write prompts
- Need SOC 2 + ISO 27001 compliance