token.app › Compare › o4 Mini High vs GLM 5.2

o4 Mini High vs GLM 5.2

GLM 5.2 is 5.0× cheaper per token on a blended 3:1 basis. GLM 5.2 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
o4 Mini HighGLM 5.2
ProviderOpenAIZhipu AI
Input $/1M$1.10$0.252
Output $/1M$4.40$0.792
Blended $/1M$1.93$0.387
Context window200K1.0M
Max output100K128K
ReleasedApr 2025Jun 2026
LicenceProprietaryOpen weights
Choose o4 Mini High if…
  • No clear advantage on the data we hold.
Choose GLM 5.2 if…
  • Costs less per token — $0.387 vs $1.93 blended
  • Larger context window (1.0M)
  • Open weights — self-hostable
  • Newer model (released Jun 2026)
FAQ
Which is better, o4 Mini High or GLM 5.2?
We do not hold independently-run benchmark scores covering both o4 Mini High and GLM 5.2, so we make no quality claim. Their pricing and specifications are compared on this page.
Is o4 Mini High cheaper than GLM 5.2?
GLM 5.2 is cheaper: $0.387 versus $1.93 per million tokens blended at 3:1 input:output. Input alone: $1.10 vs $0.252. Output alone: $4.40 vs $0.792.
What context windows do o4 Mini High and GLM 5.2 have?
o4 Mini High: 200,000 tokens. GLM 5.2: 1,048,576 tokens.
Who makes o4 Mini High and GLM 5.2?
o4 Mini High is made by OpenAI. GLM 5.2 is made by Zhipu AI.
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