GLM-5.3-Flash vs Llama 3.3 70B Instruct
Comparing GLM-5.3-Flash and Llama 3.3 70B Instruct across benchmarks, pricing, and capabilities.
Zhipu AI · Meta · Updated for 2026
Which is better?
GLM-5.3-Flash and Llama 3.3 70B Instruct trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, Llama 3.3 70B Instruct is roughly 1.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GLM-5.3-Flash also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose GLM-5.3-Flash
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Aug 2026
Choose Llama 3.3 70B Instruct
- cost matters — it's about 1.2x cheaper per token
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
GLM-5.3-Flash and Llama 3.3 70B Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GLM-5.3-Flash ($0.15/1M tokens) is 1.3x cheaper than Llama 3.3 70B Instruct ($0.20/1M tokens).
For output processing, GLM-5.3-Flash ($0.50/1M tokens) is 2.5x more expensive than Llama 3.3 70B Instruct ($0.20/1M tokens).
In conclusion, GLM-5.3-Flash is more expensive than Llama 3.3 70B Instruct.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
GLM-5.3-Flash has 250.0B more parameters than Llama 3.3 70B Instruct, making it 357.1% larger.
Context Window
Maximum input and output token capacity
GLM-5.3-Flash accepts 1,000,000 input tokens compared to Llama 3.3 70B Instruct's 128,000 tokens. GLM-5.3-Flash can generate longer responses up to 131,072 tokens, while Llama 3.3 70B Instruct is limited to 128,000 tokens.
Input Capabilities
Supported data types and modalities
GLM-5.3-Flash supports multimodal inputs, whereas Llama 3.3 70B Instruct does not.
GLM-5.3-Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.
GLM-5.3-Flash
Llama 3.3 70B Instruct
License
Usage and distribution terms
GLM-5.3-Flash is licensed under MIT, while Llama 3.3 70B Instruct uses Llama 3.3 Community License Agreement.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Llama 3.3 Community License Agreement
Open weights
Release Timeline
When each model was launched
GLM-5.3-Flash was released on 2026-08-26, while Llama 3.3 70B Instruct was released on 2024-12-06.
GLM-5.3-Flash is 21 months newer than Llama 3.3 70B Instruct.
Aug 26, 2026
0 days ago
1.7yr newerDec 6, 2024
1.7 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GLM-5.3-Flash is available from ZAI. Llama 3.3 70B Instruct is available from Lambda, DeepInfra, Hyperbolic, Groq, Sambanova, Cerebras, Bedrock, Together, Fireworks.
GLM-5.3-Flash
Llama 3.3 70B Instruct
Outputs Comparison
Judge for yourself.
Run your own prompts against GLM-5.3-Flash and Llama 3.3 70B Instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about GLM-5.3-Flash vs Llama 3.3 70B Instruct.