Z.AI: GLM 4.6 vs GPT-4o (Omni)
Compare Z.AI: GLM 4.6 by Zhipu AI against GPT-4o (Omni) by OpenAI, context windows of 203K vs 128K, tested across 54 shared challenges. Updated May 2026.
Which is better, Z.AI: GLM 4.6 or GPT-4o (Omni)?
Z.AI: GLM 4.6 and GPT-4o (Omni) are both competitive models. Z.AI: GLM 4.6 costs $0.4/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 203K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Z.AI: GLM 4.6 and GPT-4o (Omni)
Z.AI: GLM 4.6 is made by zhipu while GPT-4o (Omni) is from openai. Z.AI: GLM 4.6 has a 203K token context window compared to GPT-4o (Omni)'s 128K. On pricing, Z.AI: GLM 4.6 costs $0.4/M input tokens vs $2.5/M for GPT-4o (Omni).
Per 1M tokens
Z.AI: GLM 4.6 is cheaper on both — 6.3× input, 5.7× output
No community votes yet. On paper, Z.AI: GLM 4.6 has the edge — newer, bigger context window.
Z.AI: GLM 4.6 is 5.7x cheaper per token — worth considering if cost matters.
Style Comparison
Z.AI: GLM 4.6 uses 7.1x more emoji
