LightweightOpen SourceMeta

Llama 3.2 1B

Llama 3.2 1B is Meta's lightweight open-source text model with a 128K token context window, designed for efficient deployment and edge computing applications.

Context 128K
Tier Lightweight
Tools Supported
License Open Source
Input from
$0.027 / 1M tokens
across 3 providers

API Pricing

Cheapest on OpenRouter 57% below avg
ProviderInput / 1MOutput / 1MUpdated
$0.027$0.2004/14/2026
$0.060$0.0604/14/2026
$0.100$0.1004/14/2026

Prices updated daily. Last check: 4/14/2026

Model Details

General

Creator
Meta
Family
Llama
Tier
Lightweight
Context Window
128K
Modalities
Text

Capabilities

Tool Calling
Yes
Open Source
Yes
Subtypes
Chat Completion

Strengths & Limitations

  • Open-source with publicly available model weights for local deployment
  • Compact 1B parameter size enables efficient inference and lower resource requirements
  • 128K token context window provides substantial text processing capacity for its size
  • Tool calling support allows integration with external APIs and functions
  • Suitable for edge computing and mobile deployment scenarios
  • No API dependency required when running locally
  • Fine-tuning possible due to open-source availability
  • Limited to text-only input and output with no multimodal capabilities
  • Smaller parameter count results in lower capability compared to larger models in the Llama family
  • Performance on complex reasoning tasks limited relative to frontier models
  • May require fine-tuning for specialized domain applications

Key Features

128K token context window
Text-based chat completion
Tool calling with function execution
Open-source model weights
1 billion parameter architecture
Local deployment capability
Streaming response support
Fine-tuning compatibility

About Llama 3.2 1B

Llama 3.2 1B is Meta's compact text generation model from the Llama 3.2 series, positioned as the lightweight option in Meta's model family. With only 1 billion parameters, it represents Meta's effort to create efficient models suitable for resource-constrained environments while maintaining reasonable performance for text generation tasks. The model features a 128K token context window and supports text-only input and output with chat completion capabilities. It includes tool calling functionality, allowing it to interact with external APIs and functions. As an open-source model, the weights are publicly available for download and local deployment, enabling developers to run inference on their own infrastructure or fine-tune the model for specific applications. Llama 3.2 1B is primarily used for applications where computational efficiency and deployment flexibility are priorities over maximum capability. Its small size makes it suitable for edge computing, mobile applications, and scenarios requiring fast inference with lower computational overhead compared to larger frontier models.

Common Use Cases

Llama 3.2 1B is well-suited for applications requiring efficient text processing with moderate complexity, including chatbots for basic customer service, content summarization, simple question answering, and text classification tasks. Its lightweight nature makes it ideal for edge computing scenarios, mobile applications, and situations where running models locally is preferred over API calls. The model works well for prototyping, educational purposes, and applications where deployment speed and resource efficiency are more important than maximum capability. Organizations with data privacy requirements benefit from its ability to run entirely on-premises without external API dependencies.

Frequently Asked Questions

How much does Llama 3.2 1B cost per million tokens?

Llama 3.2 1B pricing varies by provider and deployment method. Since it's open-source, you can also run it locally without per-token costs. Check the pricing table above for current API rates across different providers.

What is Llama 3.2 1B best used for?

Llama 3.2 1B excels at efficient text processing tasks including basic chatbots, content summarization, simple question answering, and text classification. Its lightweight 1B parameter design makes it ideal for edge computing, mobile apps, and local deployment scenarios where resource efficiency is prioritized over maximum capability.

Can I run Llama 3.2 1B locally instead of using an API?

Yes, Llama 3.2 1B is open-source with publicly available model weights, allowing you to download and run it locally on your own hardware. Its compact 1B parameter size makes local deployment more feasible compared to larger models, though you'll need appropriate hardware and inference software to run it effectively.