Claude Sonnet 5 (anthropic.com)

Article summary

Claude Sonnet 5 is a new AI model that offers improved performance and cost efficiency compared to its predecessor, Sonnet 4.6. It is available across all plans and can be used for various tasks such as coding, tool use, and knowledge work. The model has undergone safety evaluations and has been found to have lower rates of undesirable behaviors than Sonnet 4.6. It is priced at $2 per million input tokens and $10 per million output tokens until August 31, 2026, after which the price will increase to $3 per million input tokens and $15 per million output tokens.

Main themes

• AI model updates
• Cost efficiency
• Safety evaluations
• Coding and tool use
• Pricing and plans
• Model performance

What commenters say

• The new Sonnet 5 model offers significant improvements over its predecessor, making it a valuable tool for various tasks.
• Some users are disappointed that the model is not available on certain platforms, such as AWS Bedrock, which limits its usability.
• The model's performance is not always better than that of other models, such as Opus 4.8, and may not be the best choice for certain tasks.
• The pricing of the model is a major factor in its adoption, with some users feeling that it is too expensive or that the cost savings are not significant enough.
• The use of AI models like Sonnet 5 can lead to a loss of skills and reliance on untrustworthy companies and products.
• Others argue that the benefits of using AI models, such as increased velocity and decreased costs, outweigh the potential drawbacks.
• Some users are holding out for the release of the Fable model, which is expected to offer even better performance and capabilities.
• The choice of model depends on the specific task and requirements, and users should carefully consider their options before making a decision.