Claude Code: Haiku, Sonnet, or Opus - Which Model to Choose?

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Key Takeaways

1Claude Code offers three models: Haiku, Sonnet, and Opus, each tailored to specific needs.

2Sonnet is recommended for most daily tasks, providing a good balance between quality, speed, and cost.

3Opus, while powerful, is token-intensive and slower, making it less suitable for all tasks.

💡Why it matters — Choosing the right Claude Code model can optimize efficiency and resource management in product development.

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Full Analysis

Claude Code offers three distinct models to meet the diverse needs of users: Haiku, Sonnet, and Opus. However, a common mistake is to use Opus for all tasks, which is not advisable. Opus is indeed very token-intensive, which can quickly deplete your daily or weekly usage quota. Additionally, it is the slowest of the three models.

Sonnet: the default choice for daily design

Sonnet is often the most suitable model for daily design and coding tasks with Claude Code. It provides an excellent balance between quality, speed, and cost. For most routine tasks, such as quick research or prototyping, Sonnet is the ideal default model.

Recommended uses for Sonnet

Building a new feature: Contrary to popular belief, it is not necessary to switch to Opus to develop a new feature. Sonnet is sufficient in 90% of cases, even for complex tasks like designing a user integration flow.
Implementing a user integration flow: Sonnet can handle requirements such as multi-step assistants, progress persistence, and validation between steps.

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