Anthropic Releases Claude Opus 4.8 and Fable 5; Z.ai Unveils GLM-5.2 Among Next-Gen Models

모델 출시 | Wed Jun 17 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5 sources

Anthropic, Z.ai, and JetBrains released new models specialized for coding, agents, and long-horizon tasks.

Sources

• [1] Introducing Claude Opus 4.8 - Anthropic News
• [2] Claude Fable 5 and Claude Mythos 5 - Anthropic News
• [3] GLM-5.2 is the new leading open weights model on Artificial Analysis - Hacker News
• [4] GLM-5.2: Built for Long-Horizon Tasks - Hugging Face Blog
• [5] Introducing Mellum2: A 12B Mixture-of-Experts Model by JetBrains - Hugging Face Blog