Exploring the Claude 3 Opus, Sonnet, and Haiku Models

Damian Dąbrowski
3 min readApr 7, 2024


The Claude 3 model family, developed by Anthropic, is a new generation of AI models that aims to provide unparalleled performance, versatility, and ease of use. The family consists of three models: Claude 3 Opus, Claude 3 Sonnet, and Claude 3 Haiku, each designed to cater to varying levels of performance and application needs. Here’s how the Claude 3 model family compares to other AI models:

  1. Multilingual Capabilities: Claude 3 models offer improved fluency in non-English languages such as Spanish and Japanese, enabling use cases like translation services and global content creation.
  2. Vision and Image Processing: All Claude 3 models can process and analyze visual input, extracting insights from documents, processing web UI, generating image catalog metadata, and more.
  3. Steerability and Ease of Use: Claude 3 models are easier to steer and better at following directions, giving users more control over model behavior and ensuring more predictable, higher-quality outputs.
  4. Model Upgrades: The Claude 3 family will periodically receive updates to enhance performance, expand capabilities, and address any identified issues.
  5. Performance in Coding and Mathematical Reasoning: A comparative study revealed that Claude 3’s Sonnet model provided a perfect answer to a complex math question, showcasing its advanced mathematical understanding, while GPT-4 and Gemini struggled with logical inconsistencies.
  6. Context Length and Code Processing: Users have reported that Claude 3 models remember code context and changes, and are able to recall old code snippets, which can be advantageous for software development tasks.

In this article, we will delve into the details of each model, highlighting their unique features and capabilities.

Claude 3 Opus

Claude 3 Opus is the most powerful model in the family, delivering state-of-the-art performance on highly complex tasks. It demonstrates fluency and human-like understanding, making it an ideal choice for users who require the highest level of performance. Opus is designed for users who prioritize output quality and are willing to invest in a more powerful model.

Claude 3 Sonnet

Claude 3 Sonnet offers a balance of intelligence and speed, making it suitable for enterprise workloads. It is generally available for free on claude.ai and powers the free tier at claude.ai. Sonnet is designed for users who require a balance between performance and cost, offering a more affordable option compared to Opus.

Claude 3 Haiku

Claude 3 Haiku is the fastest and most affordable model in the family, designed for businesses and enterprises. It delivers highly competitive performance across benchmarks tested and is particularly adept at math reasoning and coding. Haiku can process 21K tokens (about 30 pages of text) per second for prompts under 32K tokens and has a 1:5 input-to-output token ratio pricing model. It is available on the Google Cloud Vertex AI soon.


The Claude 3 family offers a range of capabilities and performance levels, allowing users to choose the model that best suits their needs and budget. Opus is the most capable model, Sonnet offers a balance of intelligence and speed, and Haiku is the fastest and most affordable option.

The Claude 3 model family represents a significant leap forward in AI technology, offering unparalleled performance, versatility, and ease of use. With Opus, Sonnet, and Haiku, users have a range of options to choose from, each tailored to different performance levels and use cases1. As AI technology continues to evolve, the Claude 3 model family is poised to play a pivotal role in shaping the future of AI applications across industries.



Damian Dąbrowski

Hi, I’m Damian, a Software Engineer who loves building educational apps and simulations..