GLM 5 Turbo vs GPT-5
Compare GLM 5 Turbo by Z-ai against GPT-5 by OpenAI, context windows of 203K vs 400K, tested across 51 shared challenges. Updated April 2026.
Which is better, GLM 5 Turbo or GPT-5?
GLM 5 Turbo and GPT-5 are both competitive models. GLM 5 Turbo costs $0.96/M input tokens vs $1.25/M for GPT-5. Context windows: 203K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between GLM 5 Turbo and GPT-5
GLM 5 Turbo is made by z-ai while GPT-5 is from openai. GLM 5 Turbo has a 203K token context window compared to GPT-5's 400K. On pricing, GLM 5 Turbo costs $0.96/M input tokens vs $1.25/M for GPT-5.
Per 1M tokens
GLM 5 Turbo is cheaper on both — 1.3× input, 3.1× output
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, bigger context window, major provider backing.
GLM 5 Turbo is 3.1x cheaper per token — worth considering if cost matters.
Style Comparison
GLM 5 Turbo uses 21.1x more bold
