Model Comparison
GLM-5 vs Llama 3.1 8B InstructWhich is better in 2026?
Comparing GLM-5 and Llama 3.1 8B Instruct across benchmarks, pricing, and capabilities.
Verdict: GLM-5 vs Llama 3.1 8B Instruct — which is better?
GLM-5 (by Zhipu AI) and Llama 3.1 8B Instruct (by Meta) 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, Llama 3.1 8B Instruct is roughly 51.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GLM-5 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose GLM-5 if…
- you process long inputs — it offers a 200,000 token context window
- you want the most recent training data — it shipped Feb 2026
Choose Llama 3.1 8B Instruct if…
- cost matters — it's about 51.7x cheaper per token
Performance Benchmarks
Comparative analysis across standard metrics
GLM-5 and Llama 3.1 8B Instruct 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 33.3x more expensive than Llama 3.1 8B Instruct ($0.03/1M tokens).
For output processing, GLM-5 ($3.20/1M tokens) is 106.7x more expensive than Llama 3.1 8B Instruct ($0.03/1M tokens).
In conclusion, GLM-5 is more expensive than Llama 3.1 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
GLM-5 has 736.0B more parameters than Llama 3.1 8B Instruct, making it 9200.0% larger.
Context Window
Maximum input and output token capacity
GLM-5 accepts 200,000 input tokens compared to Llama 3.1 8B Instruct's 131,072 tokens. Llama 3.1 8B Instruct can generate longer responses up to 131,072 tokens, while GLM-5 is limited to 128,000 tokens.
License
Usage and distribution terms
GLM-5 is licensed under MIT, while Llama 3.1 8B Instruct uses Llama 3.1 Community License.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Llama 3.1 Community License
Open weights
Release Timeline
When each model was launched
GLM-5 was released on 2026-02-11, while Llama 3.1 8B Instruct was released on 2024-07-23.
GLM-5 is 19 months newer than Llama 3.1 8B Instruct.
Feb 11, 2026
3 months ago
1.6yr newerJul 23, 2024
1.9 years ago
Knowledge Cutoff
When training data ends
Llama 3.1 8B Instruct has a documented knowledge cutoff of 2023-12-31, while GLM-5's cutoff date is not specified.
We can confirm Llama 3.1 8B Instruct's training data extends to 2023-12-31, but cannot make a direct comparison without GLM-5's cutoff date.
—
Dec 2023
Provider Availability
GLM-5 is available from FriendliAI, ZAI. Llama 3.1 8B Instruct is available from Lambda, DeepInfra, Groq, Sambanova, Cerebras, Hyperbolic, Together, Fireworks, Bedrock.
GLM-5
Llama 3.1 8B Instruct
Outputs Comparison
Key Takeaways
GLM-5
View detailsZhipu AI
Detailed Comparison
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FAQ
Common questions about GLM-5 vs Llama 3.1 8B Instruct.