Claude Sonnet 4.6 vs Z.ai: GLM 5
Compare Claude Sonnet 4.6 by Anthropic against Z.ai: GLM 5 by Zhipu AI, context windows of 1.0M vs 203K, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude Sonnet 4.6 or Z.ai: GLM 5?
Claude Sonnet 4.6 and Z.ai: GLM 5 are both competitive models. Claude Sonnet 4.6 costs $3/M input tokens vs $0.8/M for Z.ai: GLM 5. Context windows: 1000K vs 203K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 4.6 and Z.ai: GLM 5
Claude Sonnet 4.6 is made by anthropic while Z.ai: GLM 5 is from zhipu. Claude Sonnet 4.6 has a 1000K token context window compared to Z.ai: GLM 5's 203K. On pricing, Claude Sonnet 4.6 costs $3/M input tokens vs $0.8/M for Z.ai: GLM 5.
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 is 5.9x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Sonnet 4.6 uses 19.1x more emoji
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
