Battle of the Models

Compare specific LLM models, context windows, and capabilities.

AI21 Jamba 1.5 Large

DEPRECATED

GitHub Models

This model is no longer active/free — kept for reference.

Intelligence Score 88/100

Model Popularity 0 votes

Context Window 256K

Pricing Model Free / Open

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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 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	AI21 Jamba 1.5 Large	GLM-4.5-Flash
Context Window	256K	128K
Architecture	SSM-Transformer Hybrid (Mamba)	Transformer
Est. MMLU Score	~80-84%	~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	A-Tier (Excellent)	B-Tier (Strong)
Speed Estimate	Medium	⚡ Very Fast
Primary Use Case	General Purpose	⚡ 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