Claude Opus 4.1 vs Z.ai: GLM 5.2
Compare Claude Opus 4.1 by Anthropic against Z.ai: GLM 5.2 by Zhipu AI, context windows of 200K vs 1.0M, tested across 53 shared challenges. Updated June 2026.
Which is better, Claude Opus 4.1 or Z.ai: GLM 5.2?
Claude Opus 4.1 and Z.ai: GLM 5.2 are both competitive models. Claude Opus 4.1 costs $15/M input tokens vs $1.4/M for Z.ai: GLM 5.2. Context windows: 200K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.1 and Z.ai: GLM 5.2
Claude Opus 4.1 is made by anthropic while Z.ai: GLM 5.2 is from zhipu. Claude Opus 4.1 has a 200K token context window compared to Z.ai: GLM 5.2's 1049K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $1.4/M for Z.ai: GLM 5.2.
No community votes yet. On paper, Z.ai: GLM 5.2 has the edge — newer, bigger context window.
Z.ai: GLM 5.2 is 17x cheaper per token — worth considering if cost matters.
Cost per 1M tokens
Z.ai: GLM 5.2 is cheaper on both — 11× input, 17× output
Style Comparison
Claude Opus 4.1 uses 38.4x more emoji
