Battle of the Models

Compare specific LLM models, context windows, and capabilities.

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GPT-5 Mini

S-TIER

GitHub Models

Intelligence Score 99/100
Model Popularity 0 votes
Context Window 128K
Pricing Model Free / Open

GLM-4.5-Flash

A-TIER

Z.AI (GLM)

Intelligence Score 83/100
Context Window 128K
Pricing Model Free / Open
Model Popularity 0 votes
FINAL VERDICT

GPT-5 Mini Wins

With an intelligence score of 99/100 vs 83/100, GPT-5 Mini outperforms GLM-4.5-Flash by 16 points.

Clear Winner: Significant performance advantage for GPT-5 Mini.
HEAD-TO-HEAD

Detailed Comparison

Feature
GPT-5 Mini
GLM-4.5-Flash
Context Window
128K 128K
Architecture
Transformer (Proprietary) Transformer
Est. MMLU Score
~92-95% ~75-79%
Release Date
2024 2024
Pricing Model
Free Tier Free Tier
Rate Limit (RPM)
10 RPM (high-tier) / higher for mini-tier ~1 request/second (Flash models)
Daily Limit
50 RPD (high-tier models) / 150 RPD (mini-tier models) ~1,000 requests/day (Flash tier)
Capabilities
No specific data
No specific data
Performance Tier
S-Tier (Elite) B-Tier (Strong)
Speed Estimate
⚡ Very Fast ⚡ Very Fast
Primary Use Case
⚡ Fast Chat & Apps ⚡ Fast Chat & Apps
Model Size
Undisclosed Undisclosed
Limitations
  • Restrictive limits
  • Requires GitHub account
  • Rate limits vary by Copilot tier
  • Free Flash tier capped near 1 request/second
  • Flagship GLM-5.2 model requires a paid plan
  • Free-tier limits have changed more than once in the past year — verify on docs.z.ai
Key Strengths
  • Prototyping
  • GLM-4.5-Flash & GLM-4.7-Flash Free Access
  • Strong Coding Benchmarks
  • OpenAI-Compatible Endpoint

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