Leonardo AI vs GLM / Z.ai (Zhipu AI)

Which one should you pick? Here's the full breakdown.

Our Pick

Leonardo AI

A
8.3/10

Versatile AI image generator with fine-tuned models and a generous free tier

GLM / Z.ai (Zhipu AI)

A
8.0/10

Zhipu AI's open-weights family -- GLM-4.6 text flagship and GLM-4.6V multimodal, true MIT licensed

CategoryLeonardo AIGLM / Z.ai (Zhipu AI)
Ease of Use8.06.5
Output Quality8.08.5
Value9.09.0
Features8.08.0
Overall8.38.0

Pricing Comparison

FeatureLeonardo AIGLM / Z.ai (Zhipu AI)
Free TierYesYes
Starting Price$0$0

Benchmark Head-to-Head

GLM-4.6 benchmarks — Leonardo AI has no published benchmarks

BenchmarkScore
MMLU-Pro81.2%
GPQA Diamond74.5%
HumanEval89.1%
SWE-Bench Verified64.2%
BFCL (function calling)88%

Which Should You Pick?

Pick Leonardo AI if...

  • Easier to use (8 vs 6.5)

Anyone who wants a capable image generator without paying upfront. The free tier is real, not a 3-image trial. Great for game devs and content creators who need specific styles.

Visit Leonardo AI

Pick GLM / Z.ai (Zhipu AI) if...

Teams that need genuine MIT-licensed frontier open weights with no commercial strings. Especially strong for agentic workflows and vision (GLM-4.6V).

Visit GLM / Z.ai (Zhipu AI)

Our Verdict

Leonardo AI edges out GLM / Z.ai (Zhipu AI) with a 8.3 vs 8.0 overall score. Both are solid picks, but Leonardo AI has the advantage in features.