Compare · ModelsLive · 2 picked · head to head

o4 Mini High vs GLM 4.5

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Not enough overlapping benchmarks to declare a winner yet · o4 Mini High · GLM 4.5 are still filling in scores.

Hype vs Reality
o4 Mini High
#13 by perf·no signal
QUIET
GLM 4.5
#20 by perf·no signal
QUIET
Best value
1.9x better value than o4 Mini High
o4 Mini High
26.2 pts/$
$2.75/M
GLM 4.5
49.4 pts/$
$1.40/M
Vendor risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
z-ai logo
z-ai
private · undisclosed
Unknown
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
OpenAI logoo4 Mini High$1.10$4.40200K tokens (~100 books)$19.25
z-ai logoGLM 4.5$0.60$2.20131K tokens (~66 books)$10.00