Claude Fable 5 vs Z.AI: GLM 4.5 Air
Compare Claude Fable 5 by Anthropic against Z.AI: GLM 4.5 Air by Zhipu AI, context windows of 1.0M vs 128K, tested across 54 shared challenges. Updated June 2026.
Which is better, Claude Fable 5 or Z.AI: GLM 4.5 Air?
Claude Fable 5 and Z.AI: GLM 4.5 Air are both competitive models. Claude Fable 5 costs $10/M input tokens vs $0.2/M for Z.AI: GLM 4.5 Air. Context windows: 1000K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Fable 5 and Z.AI: GLM 4.5 Air
Claude Fable 5 is made by anthropic while Z.AI: GLM 4.5 Air is from zhipu. Claude Fable 5 has a 1000K token context window compared to Z.AI: GLM 4.5 Air's 128K. On pricing, Claude Fable 5 costs $10/M input tokens vs $0.2/M for Z.AI: GLM 4.5 Air.
No community votes yet. On paper, Claude Fable 5 has the edge — bigger model tier, newer, bigger context window.
Z.AI: GLM 4.5 Air is 45x cheaper per token — worth considering if cost matters.
Cost per 1M tokens
Z.AI: GLM 4.5 Air is cheaper on both — 50× input, 45× output
Style Comparison
Claude Fable 5 uses 5.9x more emoji
