Chat-O Blog
Latest News: Chat Rooms are live! Put a skeptic, a builder, and an optimist in the same chat and hear where they disagree.
Updates from the Chat-O team on our mission to bring you access to all the latest and best AI models in one place. We're building not only a chat tool, but a place where you can elevate your experience and organize your explorations with AI. Join the waitlist to make sure you can be among the first to experience Chat-O.
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Latest Articles
2026-09-08
We Tried Meta's $0.01 Image Model. It Is Now Inside Chat-O.
Twenty test images, a family taste test, and a new one-cent drawing engine inside Chat-O.
2026-09-06
Chat Rooms: Put a Sounding Board in Every Chat
Before Chat-O was a product, the repo that became it was named "ai sounding board". That was the whole idea: one place where you could think out loud and get more than one perspective back. Today that idea ships for real. Chat Rooms are live on Chat-O, and this post shows you how to use them, and how to build your own characters.
2026-09-06
Muse Spark 1.3 Is Fast. The 21x-Cheaper Version Has a Catch.
We benchmarked Meta's coding model on real Chat-O work, then found the cheaper version is priced in privacy.
2026-09-05
Chat Rooms on Chat-O: Built with OpenCode and Omen Alpha
Rooms are live on Chat-O. You pick a few AI characters, they read your message, decide who takes the lead, and react to each other in one line each. Here is how we built it, what broke along the way, and why we now use one model to write code and a different one to review it.
2026-09-04
We Migrated Chat-O's Email Marketing to Pombo with OpenCode in Under an Hour
Our email stack was hardcoded transactional sends and silence. One engineer, one AI agent, and less than one hour later the new system was live, with a far better setup than before. The agent was OpenCode running GLM-5.3 Flash, and Pombo's own assistant did half the thinking.
2026-08-28
GLM-5.3 Flash: One Model, Every Tier on Chat-O
Z-AI's GLM-5.3 Flash is now Chat-O's default model, available across Light, Balanced, and Power. It is open weight, affordable to run yourself, and remarkably capable for the price.
2026-08-28
We Used Ox Alpha to Migrate a Full-Stack Codebase from Rails to Go
We used ox alpha, a free stealth model available through OpenCode and OpenRouter, to migrate Aid Registry from Ruby on Rails to Go as an experiment. On August 26, Z.AI revealed that ox alpha was GLM-5.3 Flash.
2026-07-21
Kimi K3: The 2.8 Trillion Parameter Reasoning Beast Is Live on Chat-O
Moonshot AI's Kimi K3 brings a 2.8T-parameter open-weight multimodal architecture and a 1 million token context window to Chat-O's Power tier. This is reasoning at an unprecedented scale.
2026-07-19
GLM-5.2 vs Kimi K3: Choosing Your 1M Context Reasoning Model on Chat-O
We tested GLM-5.2 and Kimi K3 side by side on the same prompts, compared their public benchmarks, and priced them per million tokens on OpenRouter. Here is how to pick between Z.AI's GLM-5.2 and Moonshot AI's Kimi K3.
2026-07-16
GLM-5.2: Z-AI's Million Token Reasoning Engine Is Live on Chat-O
GLM-5.2 brings a 1,048,576 token context window to Chat-O's Balanced and Power tiers. Built for long-horizon agent workflows, this is Z-AI's largest reasoning model yet.
2026-07-14
The Complete Z-AI GLM Family on Chat-O: From GLM-4.7 to GLM-5.3 Flash
Every GLM model from Z-AI, organized by tier and use case. Six models spanning three tiers and three generations of reasoning architecture, including the new GLM-5.3 Flash.
2026-07-07
The Complete Moonshot AI Kimi Family on Chat-O: From K2 to K3
Five Kimi models spanning Balanced and Power tiers, from the 200K context daily driver to the 2.8 trillion parameter flagship. Here is everything you need to choose the right one.
2026-07-01
GLM-5.1: Long-Horizon Coding Powerhouse Now on Chat-O
Z-AI's GLM-5.1 delivers a major leap in coding capability for tasks that span multiple rounds of work. Available exclusively in the Power tier. Plus, see how it fits the full [GLM family lineup](/blog/new-glm-models-lineup-2026).
2026-06-12
Kimi K2.7 Code: Purpose-Built for End-to-End Programming on Chat-O
Moonshot AI's Kimi K2.7 Code is a coding specialist tuned to complete end-to-end programming tasks reliably over 262K token contexts. Available now in the Balanced tier.
2026-05-26
Kimi K2.6: Long-Horizon Coding and Multi-Agent Orchestration Arrive on Chat-O
Moonshot AI's Kimi K2.6 is a next-generation multimodal model built for long-horizon coding, coding-driven UI/UX generation, and multi-agent orchestration. Available now in the Balanced tier.
2026-05-12
GLM-4.7: Z-AI's Stable Reasoning Flagship Joins Chat-O's Balanced Tier
Z-AI's GLM-4.7 flagship brings enhanced programming capabilities and more stable multi-step reasoning to Chat-O's Balanced tier, making production-grade AI affordable for everyday work.
2026-04-22
GLM-5 Turbo: Lightning-Fast Agent Inference Lands on Chat-O's Light Tier
Z-AI's GLM-5 Turbo is engineered for fast inference and strong performance in agent-driven environments. It is the first GLM-5 family model in Chat-O's Light tier, built for speed and volume.
2026-02-22
Gemini 3.1 Pro Preview and GLM-5: Two Powerful New AI Models on Chat-O
Chat-O adds Google's Gemini 3.1 Pro Preview and Z-AI's open-source GLM-5 to its multi-model AI platform. Compare features, capabilities, and pricing tiers.
2026-01-18
Best AI Chatbot 2026: Why Multi-Model Beats Single Model
Looking for the best AI chatbot in 2026? Here's why multi-model threads outperform single-model chatbots and what to look for in an AI assistant.
2026-01-10
Why Single-Model Chatbots Are Holding You Back
Most AI chatbots force you to choose one model for your entire conversation. Here's why that limits your results and how multi-model threads unlock better outcomes.
2025-11-13
ChatGPT 5.1 Now Available in Power Tier
ChatGPT 5.1 is now live on Chat-O in the Power tier. In our tests, performance has been really good and on par with SOTA models, potentially even better in how human it feels.
2025-11-10
Major Upgrade to Image Editing and Generation
We've completed our biggest upgrade to image editing yet, with a full refactor of the system and new models. We expect this to deliver a much better experience for sequential editing.
2025-11-10
Chat-O's Latest Model Additions: Always Fresh, Always Private
We're constantly adding the latest AI models to Chat-O, often on the same day they're released. Recent highlights include Kimi K2 Thinking, Deepseek V3.2 Exp, and Claude Haiku 4.5—all with our unwavering commitment to your privacy.
2025-10-20
Chat-O Mobile Apps Updated: Improved Performance, Native Future
We just released updated versions of Chat-O for iOS and Android with performance improvements and bug fixes. Plus, a look at our roadmap toward fully native apps.
2025-10-12
Keeping Chat-O Safe: Reporting Unsafe AI-Generated Content
We just launched a new system for reporting unsafe AI-generated content. Here's how it works, why we built it, and what it means for keeping AI responsible.
2025-09-15
Why We Don't Compromise on Privacy (Even When It's Harder)
Building a multi-model AI platform is hard. Building one that respects your privacy is harder. Here's why we think it's worth it—and what "high privacy" actually means.
2025-08-28
New AI Models Available - Grok Code Fast 1, Kimi 2, DeepSeek V3.1 and more!
We've expanded our model lineup with Grok-Code-Fast-1, Kimi 2, DeepSeek v3.1 and more models. They're now part of our fleet and collaborate to bring you the best answers!
2025-08-07
OpenAI GPT-5 and GPT-5 Mini now available on Chat-O
OpenAI GPT-5 (Power tier) and GPT-5 Mini (Balanced tier) are live on Chat-O—smarter reasoning, lower latency, and great value.
2025-08-05
OpenAI's GPT-OSS-120B: Powerful Open-Weight Model Now Live on Chat-O!
🚀 OpenAI just released their first open-weight language models since GPT-2—and GPT-OSS-120B is already available on Chat-O!
2025-05-14
Chat-O Evolves: Discover New AI Models and Customize Your Experience
We introduced new AI models and added some exciting new features to give users more control over their experience.
2025-04-22
Grok 3, Google Gemini 2.5, Open AI o3 and o4 are all available on Chat-O
🎉 We keep adding new models as they're published! Enjoy multi-model chat with powerful additional features!
2025-04-11
Optimus Alpha: Now Available on Chat-O!
Updated: 2026-07-21
2025-04-06
Meta Llama 4 models are here!
Updated: 2026-07-21
2025-04-05
Quasar Alpha: The new secret model is on Chat-O!
Updated: 2026-07-21
2025-03-30
Gemini 2.5 Pro Experimental Lands on Chat-O!
Updated: 2026-07-21
2025-03-25
The new DeepSeek V3 03-24 is on Chat-O
Updated: 2026-07-21
2025-03-22
O1-Pro is Here: Now Available via BYOK!
Updated: 2026-07-21
2025-03-16
Chat-O now supports native image editing!
Updated: 2026-07-21
2025-03-05
Qwen QwQ-32B Available on Chat-O as a Balanced Model!
Experience the power of Qwen QwQ-32B, a 32 billion parameter model comparable to DeepSeek-R1, now on Chat-O!
2025-02-28
GPT-4.5 is Here: Now Available on Chat-O via BYOK!
🎉 GPT-4.5 now on Chat-O via BYOK! Faster, smarter AI chats. Closed beta expanding daily!
2025-02-25
Claude 3.7 Sonnet and Google Gemini 2.0 Flash-Lite are available on Chat-O
Chat-O beta users can have instant access to both Claude 3.7 Sonnet and Google Gemini 2.0 Flash-Lite
2025-02-23
Some of the best AI models to create images - FAST! - are on Chat-O
Some of the first users to experiment the feature were impressed with the speed, quality and resolution of the images
2025-02-16
Leading AI models available on Chat-O
Chat-O: Leading AI models (o3-mini, DeepSeek, Gemini) for diverse tasks. Privacy-focused, organized AI insights.