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GLM 5 Turbo vs Claude Opus 4

Compare GLM 5 Turbo by Z-ai against Claude Opus 4 by Anthropic, context windows of 203K vs 200K, tested across 35 shared challenges. Updated March 2026.

Which is better, GLM 5 Turbo or Claude Opus 4?

GLM 5 Turbo and Claude Opus 4 are both competitive models. GLM 5 Turbo costs $0.96/M input tokens vs $15/M for Claude Opus 4. Context windows: 203K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between GLM 5 Turbo and Claude Opus 4

GLM 5 Turbo is made by z-ai while Claude Opus 4 is from anthropic. GLM 5 Turbo has a 203K token context window compared to Claude Opus 4's 200K. On pricing, GLM 5 Turbo costs $0.96/M input tokens vs $15/M for Claude Opus 4.

Our Verdict
Claude Opus 4
Claude Opus 4
GLM 5 Turbo
GLM 5 TurboRunner-up

No community votes yet. On paper, Claude Opus 4 has the edge — bigger model tier, major provider backing.

GLM 5 Turbo is 23x cheaper per token — worth considering if cost matters.

Too close to call
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