GLM-5 Leaked? New Pony Alpha Stealth Model IS INSANE! Opus 4.6 Quality!

2026-02-11 · Source: WorldofAI · Field: Technology & Digital — Artificial Intelligence & Machine Learning, Software Development & Engineering, Emerging Technologies & Innovation · Depth: Intermediate, medium

Summary

Pony Alpha, likely the unreleased GLM5 model, is a new stealth foundation model with a 200K context window, currently accessible for free testing on platforms like Open Router and Arena. Rumored to pack 745 billion parameters with 44 billion active parameters, it would be the largest Chinese Mixture-of-Experts model, significantly larger than GLM 4.5. This model demonstrates strong performance in coding, reasoning, and text generation, ranking 10th on Open Router's programming leaderboard. Its capabilities include generating complex SVG code, interactive frontend UIs, browser-based operating systems, and Minecraft clones, with output quality comparable to Opus 4.5 in some tests. The official release is anticipated in February, with checkpoints actively being tested.

Key takeaway

For AI Architects and NLP Engineers evaluating next-generation foundation models, Pony Alpha (GLM5) presents a significant development. Its 200K context window and reported 745 billion parameters suggest strong potential for complex, long-context coding and reasoning tasks. You should consider testing its capabilities on Open Router or via the Kilo API to assess its fit for your specific high-quality code generation and interactive UI development needs, especially given its anticipated February release.

Key insights

GLM5 "Pony Alpha" is a large, high-performance Chinese MoE model with a 200K context window.

Principles

• Large parameter counts enhance model capabilities.
• Mixture-of-Experts models scale effectively.

Method

GLM5 utilizes DC sparse attention for efficient long context processing, enabling high-quality generations across diverse coding tasks.

In practice

• Test Pony Alpha on Open Router or Arena.
• Use Kilo's API for free access to Pony Alpha.
• Explore its SVG and UI generation for web development.

Topics

• GLM5
• Mixture-of-Experts
• Long Context Models
• Code Generation
• Frontend UI

Best for: AI Architect, NLP Engineer, CTO, AI Engineer, Machine Learning Engineer, Software Engineer

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Editorial summary, takeaway, and curation by AIssential. Original article published by WorldofAI.