GLM 5 Turbo vs o3 Mini
Compare GLM 5 Turbo by Z-ai against o3 Mini by OpenAI, context windows of 203K vs 64K, tested across 53 shared challenges. Updated April 2026.
Which is better, GLM 5 Turbo or o3 Mini?
GLM 5 Turbo and o3 Mini are both competitive models. GLM 5 Turbo costs $0.96/M input tokens vs $1.1/M for o3 Mini. Context windows: 203K vs 64K tokens. Compare their real outputs side by side below.
Key Differences Between GLM 5 Turbo and o3 Mini
GLM 5 Turbo is made by z-ai while o3 Mini is from openai. GLM 5 Turbo has a 203K token context window compared to o3 Mini's 64K. On pricing, GLM 5 Turbo costs $0.96/M input tokens vs $1.1/M for o3 Mini.
No community votes yet. On paper, GLM 5 Turbo has the edge — bigger model tier, newer, bigger context window.
Style Comparison
o3 Mini uses 3.1x more hedging
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.
