Battle of the Models

Compare specific LLM models, context windows, and capabilities.

GLM-4.5-Flash

A-TIER

Z.AI (GLM)

Intelligence Score 83/100

Model Popularity 0 votes

Context Window 128K

Pricing Model Free / Open

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S-TIER

Requesty

Intelligence Score 92/100

Context Window 128K

Pricing Model Commercial / Paid

Model Popularity 0 votes

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FINAL VERDICT

With an intelligence score of 92/100 vs 83/100, GPT-4o (via routing) outperforms GLM-4.5-Flash by 9 points.

HEAD-TO-HEAD

Feature	GLM-4.5-Flash	GPT-4o (via routing)
Context Window	128K	128K
Architecture	Transformer	Transformer (Proprietary)
Est. MMLU Score	~75-79%	~85-87%
Release Date	2024	May-Nov 2024
Pricing Model	Free Tier	Paid / Commercial
Rate Limit (RPM)	~1 request/second (Flash models)	60 RPM
Daily Limit	~1,000 requests/day (Flash tier)	Credit-based
Capabilities	No specific data	Vision
Performance Tier	B-Tier (Strong)	A-Tier (Excellent)
Speed Estimate	⚡ Very Fast	Medium
Primary Use Case	⚡ Fast Chat & Apps	General Purpose
Model Size	Undisclosed	~1.8T (estimated)
Limitations	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	Requires underlying provider API keys Free credit amount is limited Routing adds minimal latency
Key Strengths	GLM-4.5-Flash & GLM-4.7-Flash Free Access Strong Coding Benchmarks OpenAI-Compatible Endpoint	AI Router: automatic provider failover Prompt caching for cost savings Multi-provider load balancing