Claude Fable 5 vs Z.ai: GLM 5.2
Compare Claude Fable 5 by Anthropic against Z.ai: GLM 5.2 by Zhipu AI, context windows of 1.0M vs 1.0M, tested across 54 shared challenges. Updated June 2026.
Which is better, Claude Fable 5 or Z.ai: GLM 5.2?
Claude Fable 5 and Z.ai: GLM 5.2 are both competitive models. Claude Fable 5 costs $10/M input tokens vs $1.4/M for Z.ai: GLM 5.2. Context windows: 1000K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Fable 5 and Z.ai: GLM 5.2
Claude Fable 5 is made by anthropic while Z.ai: GLM 5.2 is from zhipu. Claude Fable 5 has a 1000K token context window compared to Z.ai: GLM 5.2's 1049K. On pricing, Claude Fable 5 costs $10/M input tokens vs $1.4/M for Z.ai: GLM 5.2.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Z.ai: GLM 5.2 is 11x cheaper per token — worth considering if cost matters.
Cost per 1M tokens
Z.ai: GLM 5.2 is cheaper on both — 7.1× input, 11× output
Style Comparison
Claude Fable 5 uses 58.2x more emoji
