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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A-TIER

GitHub Models

Intelligence Score 88/100

Context Window 256K

Pricing Model Free / Open

Model Popularity 0 votes

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FINAL VERDICT

With an intelligence score of 88/100 vs 83/100, AI21 Jamba 1.5 Large outperforms GLM-4.5-Flash by 5 points.

Close Match: The difference is minimal. Consider other factors like pricing and features.

HEAD-TO-HEAD

Feature	GLM-4.5-Flash	AI21 Jamba 1.5 Large
Context Window	128K	256K
Architecture	Transformer	SSM-Transformer Hybrid (Mamba)
Est. MMLU Score	~75-79%	~80-84%
Release Date	2024	2024
Pricing Model	Free Tier	Free Tier
Rate Limit (RPM)	~1 request/second (Flash models)	10 RPM (high-tier) / higher for mini-tier
Daily Limit	~1,000 requests/day (Flash tier)	50 RPD (high-tier models) / 150 RPD (mini-tier models)
Capabilities	No specific data	No specific data
Performance Tier	B-Tier (Strong)	A-Tier (Excellent)
Speed Estimate	⚡ Very Fast	Medium
Primary Use Case	⚡ Fast Chat & Apps	General Purpose
Model Size	Undisclosed	Undisclosed
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	Restrictive limits Requires GitHub account Rate limits vary by Copilot tier
Key Strengths	GLM-4.5-Flash & GLM-4.7-Flash Free Access Strong Coding Benchmarks OpenAI-Compatible Endpoint	Prototyping