The best way to use
GLM on your Mac
Fello AI is a native Mac app giving you GLM 5.2 through secure US-based infrastructure, plus every other frontier model in one place. No browser tabs, no data concerns.
Fello AI is a native Mac app giving you GLM 5.2 through secure US-based infrastructure, plus every other frontier model in one place. No browser tabs, no data concerns.
GLM is the flagship model family from Zhipu AI, the Chinese lab internationally branded as Z.ai. Zhipu was spun out of Tsinghua University in 2019 and has grown into one of the most closely watched AI companies in the world. In January 2026 it listed on the Hong Kong Stock Exchange (among the first standalone AI-model developers to go public), with backing from Alibaba, Tencent, Meituan, Xiaomi and others. GLM stands for "General Language Model," and its current flagship is GLM 5.2.
What makes GLM 5.2 stand out is its positioning as one of the top open-weight models for coding and agentic work. Its weights are published under the permissive MIT license, so anyone can download, inspect, modify, and self-host the model. It delivers comparable coding performance to frontier closed models at roughly one-sixth of the cost, and it supports a context window of up to 1M tokens. That combination has made it a favorite for developers who want a capable model they can actually run and audit themselves.
For everyday work, GLM 5.2 shines inside agent harnesses and coding tools like Claude Code, Cline, and Roo Code, where it can run long, multi-step autonomous tasks without losing the thread. It also handles general reasoning, writing, and Q&A competently. It trails the very top closed models on the hardest reasoning problems, but as a cost-efficient, tool-using workhorse it is genuinely compelling.
GLM vs GLM 5.2: GLM ("General Language Model") is the model family from Zhipu AI, branded internationally as Z.ai. 5.2 is the current flagship version, tuned for coding and agentic tasks. In Fello AI, GLM queries are routed through secure US-based servers, not through Z.ai's own infrastructure.
A native Mac app (30-50MB, Apple silicon) that gives you GLM 5.2 alongside Claude 5 Sonnet, GPT-5.6, Gemini 3.6, Grok 4.5, Perplexity, and more. One subscription at $9.99/month. Works on Mac, iPhone, and iPad. Free tier available. Your queries are routed through a secure US-based pipeline, not Z.ai's own servers.
Visit chat.z.ai in any browser for general chat with GLM 5.2. Free with usage limits, no setup required. Z.ai does ship an official Mac app called ZCode, but it is a coding IDE and agent for developers, not a general chat client. Important caveat: hosted GLM sends your conversations to Z.ai's servers, which run on Chinese-company infrastructure subject to Chinese data laws.
Developers can access GLM 5.2 directly through the Z.ai API at low cost, roughly one-sixth the price of comparable frontier closed models. The open model weights are also published on Hugging Face (org zai-org) under the MIT license, so you can self-host GLM on your own hardware for full control. Running the full model requires significant compute, but it keeps your data entirely in-house.
GLM is a capable open model, but running it yourself needs powerful, expensive hardware. Fello AI gives you GLM instantly on your Mac, next to Claude, ChatGPT, and Gemini. You can also generate AI images and turn any answer into a real PowerPoint, Excel, or Word file.
| Feature | Fello AI | GLM (chat.z.ai) |
|---|---|---|
| Price | Free tier + $9.99/mo or $79.99/yr | Free tier + from $10/mo (GLM Coding Plan) |
| Access to GLM 5.2 | ✓ Yes | ✓ Yes (limited free tier) |
| Native Mac app | ✓ Native chat, macOS 12+, Intel + Apple silicon | ✗ Only ZCode (a coding IDE), no general chat app |
| Data privacy | ✓ US-based infrastructure | ✗ Servers in China |
| Models available | ✓ GLM 5.2, Claude 5, GPT-5.6, Gemini 3.6, Grok 4.5 and more | ✗ GLM only |
| Image generation | ✓ GPT Image 2, Nano Banana 2, Seedream 5, FLUX.2 | ✗ No |
| PDF support | ✓ Up to 16 PDFs at once | Limited |
| iPhone and iPad | ✓ Yes, same app | Browser only |
GLM 5.2 is positioned as one of the strongest open-weight models available for coding and agentic, tool-using work. It slots directly into agent harnesses and coding tools like Claude Code, Cline, and Roo Code, holding its own against frontier closed models on real development tasks.
Unlike GPT-5.6 and Claude 5, which are locked behind company APIs, GLM 5.2's full model weights are published on Hugging Face under the permissive MIT license. Anyone can download, inspect, modify, and self-host the model, commercial use included.
GLM 5.2 is tuned to run long, multi-step autonomous workflows without losing coherence. It can plan, call tools, and iterate across many steps, which makes it a strong engine for agents that need to complete real work rather than answer a single prompt.
GLM 5.2 delivers comparable coding performance to frontier closed models at roughly one-sixth the cost. For developers and teams running AI at scale, that price-to-capability ratio is what makes GLM practical for high-volume, agentic use cases.
The AI landscape in 2026 is competitive at the frontier level. ChatGPT leads in computer-use automation, Claude 5 excels at writing and complex analysis, and Gemini holds the context-length record. Where does GLM 5.2 actually stand?
GLM 5.2 is one of the top open-weight models for coding and agentic work, and one of the most cost-efficient capable models available. For developers, teams building agents, and organizations with data-privacy or budget constraints, it is a genuinely compelling alternative to closed models.
ChatGPT is the established standard. GLM is the open agent alternative.
ChatGPT powered by GPT-5.6 is the strongest model for computer-use tasks. It can operate software, navigate interfaces, and complete multi-step desktop workflows autonomously. It is also backed by OpenAI's fully managed infrastructure, extensive ecosystem integrations, and consistent production reliability.
GLM 5.2 is more cost-efficient and fully open. Its coding and agentic capabilities are competitive at the task level, and for teams that want to inspect, audit, or self-host the model weights, GLM is one of the few frontier-class options that allows it under a permissive MIT license.
Use ChatGPT for computer-use tasks, ecosystem integrations, and production reliability. Use GLM when cost, open-weight access, or agentic coding matter most.
Claude is the quality benchmark. GLM is the efficient one.
Claude 5 is the best model available for writing quality and following complex instructions. It produces the most natural, well-structured output of any major model, maintains consistency across very long documents, and is significantly more reliable at detailed multi-part tasks without drift.
GLM 5.2 competes strongly on coding and agentic tasks and wins decisively on cost, at roughly one-sixth the price for comparable coding performance. It runs well inside coding tools and agent harnesses. What it does not match is Claude's quality on nuanced writing and the hardest reasoning problems.
Use Claude 5 for writing quality, structured analysis, and complex instruction-following. Use GLM for cost-sensitive coding and agent workflows where open-weight access helps.
Gemini scales wider. GLM runs leaner and opener.
Gemini 3.6 Flash leads on Google ecosystem integration and multimodal breadth. It pairs a large context window with native Google Search grounding for real-time factual access, and it understands images, audio, and video natively.
GLM 5.2 matches Gemini's headline context length of up to 1M tokens, but its real edge is being open-weight, MIT-licensed, and highly cost-efficient for coding and agent tasks. For organizations that cannot send data to Google's servers, GLM is a viable, self-hostable alternative.
Use Gemini for Google integrations and multimodal inputs. Use GLM for cost-efficient coding and agents where open-weight, self-hostable access matters.
Grok is real-time. GLM is open and agentic.
Grok 4.5 is built around real-time information. It indexes X and the broader web live, making it the best model for breaking news, current sentiment, and anything time-sensitive. It is also more openly opinionated and willing to engage with edgy or controversial topics.
GLM 5.2 is stronger on structured coding and agentic tasks and is fully open-weight under MIT. For serious development or autonomous tool-using work without a real-time data requirement, GLM is the more capable and cost-efficient choice.
Use Grok for real-time information, live X data, and brainstorming. Use GLM for coding and agent tasks where cost-efficiency or open-weight access matters.
Perplexity retrieves. GLM builds.
Perplexity is a search-first tool. It retrieves and summarizes information from the web with citations, making it the best option when you want sourced answers quickly without doing manual research.
GLM 5.2 is a general-purpose coding and reasoning model. It does not have native web search built in as a core feature, but it is significantly better at writing code, running agentic workflows, and turning information into something useful. These are complementary tools, not competing ones.
Use Perplexity to find and verify facts from the web. Use GLM to reason, code, and build agents with that information.
No single model is best at everything. GLM leads on open-weight coding and agentic value, but Claude writes better, ChatGPT handles computer use, and Grok has live data. The most capable AI setups use multiple models routed to the right task. And through Fello AI, your GLM queries run through US-based infrastructure, so your data never touches Z.ai's own servers. Fello AI puts GLM, ChatGPT, Claude, Gemini, Grok, and Perplexity in one native app.
| Metric | GLM 5.2 | GPT-5.6 | Claude 5 | Gemini 3.6 Flash |
|---|---|---|---|---|
| Reasoning | Very good | Excellent | Excellent | Very good |
| Coding | Top tier | Top tier | Top tier | Very good |
| Agentic / tool use | Excellent | Excellent | Very good | Very good |
| Context window | Up to 1M tokens | 1M tokens | 1M tokens | 1M tokens |
| Open source weights | ✓ Yes | ✗ No | ✗ No | ✗ No |
| Best for | Coding, agents, cost-efficiency | All-round work, operators | Long-form writing, docs | Speed, large docs, research |
Different models are better at different kinds of work. In Fello AI, you switch between ChatGPT, Claude, Gemini, Grok, and more without leaving the app or rebuilding your workflow. Compare outputs, move faster, and use the model that fits instead of forcing everything through one tool.

Upload PDFs, images, Excel sheets, slide decks, and documents, then ask for summaries, explanations, rewrites, or extracted insights. This makes Fello AI much more useful for study, research, reporting, and day-to-day professional tasks than a plain text chatbot.

Generate PowerPoint presentations, Excel spreadsheets with formulas, Word documents, and PDFs, then download and use them immediately. That turns AI from a brainstorming tool into something much closer to a real productivity workspace.

When you need current information, Fello AI searches the web with cited sources instead of forcing you to leave the app and manually piece things together. Especially useful when researching a topic, checking facts, or turning fresh information into a finished document.

Fello AI is native on all Apple devices, so you keep the same app, the same models, and the same workflow whether you're on your Mac at a desk or on your phone on the go. No separate setup, no switching tools, no restarting the context.
Fello AI gives professionals a practical way to use ChatGPT, Claude, Gemini, Grok, and other top models across Mac, iPhone, and iPad as part of one consistent workflow. Analyze PDFs, Word files, Excel sheets, presentations, and images, then turn the result into real downloadable documents for client work, internal workflows, and day-to-day execution.
Fello AI helps students handle everyday academic work more efficiently. Summarize readings, explain difficult topics, compare answers across models, and work with PDFs, slides, notes, and study materials in one place. Instead of relying on a single AI answer, use the model that fits the task and move from quick explanations to deeper research without jumping between apps.
Download Fello AI for Mac, iPhone, and iPad. Free to start.
4.7 rating·27,000+ reviews·Free to start