o4-mini vs GLM-4 Plus

Compare o4-mini and GLM-4 Plus: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

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Feature o4-mini GLM-4 Plus
CategoryReasoningOpen Source
Parameters~200B130B
Context Window200K128K
Input Price$0.03/1M tokens$0.05/1M tokens
Output Price$0.12/1M tokens$0.09/1M tokens
Latency~800ms~350ms

Choose o4-mini when:

  • ✓ Kundali scoring
  • ✓ Compatibility analysis
  • ✓ Decision systems
Key Strengths:

Fast reasoning, Cost-efficient, 200K context

Choose GLM-4 Plus when:

  • ✓ Buddhist text analysis
  • ✓ Cross-cultural content
  • ✓ Bilingual apps
Key Strengths:

Strong bilingual, Good classical Chinese, Reliable

Verdict: o4-mini vs GLM-4 Plus

For cost efficiency, o4-mini wins at $0.03/1M input tokens. For speed, GLM-4 Plus is faster at ~350ms. o4-mini excels at Kundali scoring while GLM-4 Plus is better for Buddhist text analysis. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

o4-mini costs $0.03/1M input tokens and $0.12/1M output tokens. GLM-4 Plus costs $0.05 input and $0.09 output. o4-mini is 1.7x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

o4-mini has a 200K context window with ~800ms latency. GLM-4 Plus offers 128K context at ~350ms. o4-mini has the larger context window.

Best For

o4-mini (Reasoning) is optimized for: Kundali scoring, Compatibility analysis, Decision systems. GLM-4 Plus (Open Source) works best for: Buddhist text analysis, Cross-cultural content, Bilingual apps.

Try Both on XALEN

Both models are available through XALEN's OpenAI-compatible API. Switch between them by changing the model parameter:

from xalen import XALEN

client = XALEN(api_key="xln_test_YOUR_KEY")

# Use o4-mini
response_a = client.chat.completions.create(
    model="o4-mini",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use GLM-4 Plus
response_b = client.chat.completions.create(
    model="glm-4-plus",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, o4-mini or GLM-4 Plus?

o4-mini (Reasoning, ~200B) offers Fast reasoning. GLM-4 Plus (Open Source, 130B) offers Strong bilingual. Choose o4-mini for Kundali scoring or GLM-4 Plus for Buddhist text analysis.

How much does o4-mini cost vs GLM-4 Plus?

o4-mini: $0.03/1M input, $0.12/1M output. GLM-4 Plus: $0.05/1M input, $0.09/1M output. Both available on XALEN with batch processing at 50% discount.

Can I use both models on XALEN?

Yes. XALEN provides 200+ models through a single OpenAI-compatible API. Switch between o4-mini and GLM-4 Plus by changing the model parameter. No code changes needed.

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Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.