Large Language Models
Jul 24, 2026
Anthropic launches Claude Opus 5 with adjustable cost and capability settings
Jul 24, 2026
AI Summary
Anthropic has introduced Claude Opus 5, an AI model designed for business applications, featuring a toggle for users to adjust the model's effort level to manage costs. This model aims to be user-friendly and is positioned as a more economical alternative to the previously released Fable 5, while still offering strong capabilities for scientific research.
- Anthropic released Claude Opus 5, targeting everyday business needs with a feature to adjust effort levels (low, medium, high) for task completion, allowing users to balance cost and capability.
- The model is designed to be easier to use than its predecessors, verifying its own work and recovering from errors without user intervention.
- Opus 5 is the fourth model launched by Anthropic in less than two months, following Mythos 5, Fable 5, and Sonnet 5.
- Fable 5 faced criticism for high token usage and was temporarily removed from the market due to security concerns before being re-released after enhancements.
- Anthropic claims Opus 5 offers capabilities similar to Fable 5 at half the price, while still recommending Fable 5 for advanced projects.
- The model includes safety features that allow it to decline requests due to safety concerns while providing alternative responses from other models.
- Opus 5 has improved safeguards in cybersecurity compared to its predecessor, although it is not specifically trained for cybersecurity tasks.
- The model is also aimed at the scientific community, particularly excelling in biology tasks, and has received positive feedback from law firms and software engineering teams.
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