Model Comparison
GLM-5 vs Jamba 1.5 LargeWhich is better in 2026?
Comparing GLM-5 and Jamba 1.5 Large across benchmarks, pricing, and capabilities.
Verdict: GLM-5 vs Jamba 1.5 Large — which is better?
GLM-5 (by Zhipu AI) and Jamba 1.5 Large (by AI21 Labs) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
On price, GLM-5 is roughly 2.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Jamba 1.5 Large also accepts a larger context window (256,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose GLM-5 if…
- cost matters — it's about 2.3x cheaper per token
- you want the most recent training data — it shipped Feb 2026
Choose Jamba 1.5 Large if…
- you process long inputs — it offers a 256,000 token context window
Performance Benchmarks
Comparative analysis across standard metrics
GLM-5 and Jamba 1.5 Large don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GLM-5 ($1.00/1M tokens) is 2.0x cheaper than Jamba 1.5 Large ($2.00/1M tokens).
For output processing, GLM-5 ($3.20/1M tokens) is 2.5x cheaper than Jamba 1.5 Large ($8.00/1M tokens).
In conclusion, Jamba 1.5 Large is more expensive than GLM-5.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
GLM-5 has 346.0B more parameters than Jamba 1.5 Large, making it 86.9% larger.
Context Window
Maximum input and output token capacity
Jamba 1.5 Large accepts 256,000 input tokens compared to GLM-5's 200,000 tokens. Jamba 1.5 Large can generate longer responses up to 256,000 tokens, while GLM-5 is limited to 128,000 tokens.
License
Usage and distribution terms
GLM-5 is licensed under MIT, while Jamba 1.5 Large uses Jamba Open Model License.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Jamba Open Model License
Open weights
Release Timeline
When each model was launched
GLM-5 was released on 2026-02-11, while Jamba 1.5 Large was released on 2024-08-22.
GLM-5 is 18 months newer than Jamba 1.5 Large.
Feb 11, 2026
3 months ago
1.5yr newerAug 22, 2024
1.8 years ago
Knowledge Cutoff
When training data ends
Jamba 1.5 Large has a documented knowledge cutoff of 2024-03-05, while GLM-5's cutoff date is not specified.
We can confirm Jamba 1.5 Large's training data extends to 2024-03-05, but cannot make a direct comparison without GLM-5's cutoff date.
—
Mar 2024
Provider Availability
GLM-5 is available from FriendliAI, ZAI. Jamba 1.5 Large is available from Bedrock, Google.
GLM-5
Jamba 1.5 Large
Outputs Comparison
Key Takeaways
GLM-5
View detailsZhipu AI
Jamba 1.5 Large
View detailsAI21 Labs
Detailed Comparison
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FAQ
Common questions about GLM-5 vs Jamba 1.5 Large.