Battle of the Models

Compare specific LLM models, context windows, and capabilities.

GPT-4o (via routing)

S-TIER

Requesty

Intelligence Score 92/100

Model Popularity 0 votes

Context Window 128K

Pricing Model Commercial / Paid

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A-TIER

Z.AI (GLM)

Intelligence Score 83/100

Context Window 128K

Pricing Model Free / Open

Model Popularity 0 votes

View Provider Analysis →

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