Anthropic Unveils Claude Opus 5, Showcasing Performance Nearing Fable 5 and Advanced Security Systems
Anthropic launches the Claude Opus 5 model, highlighting strengths in coding, biology tasks, and robust cybersecurity defenses while keeping pricing unchanged from its predecessor.

Stock photo for illustration only, not from the actual event
- Anthropic launched Claude Opus 5, a new artificial intelligence model, on Thursday.
- It delivers capabilities close to Claude Fable 5 in multiple areas and excels at coding.
- Enhanced cybersecurity measures have been added to address concerns from government agencies.
- It is priced the same as the previous generation at $5 for input and $25 for output per million tokens.
Anthropic announced the release of its latest artificial intelligence model on Thursday, named Claude Opus 5, which has been developed to approach the capabilities of Claude Fable 5 across a variety of domains while significantly boosting performance in handling complex coding tasks.
The rollout of this new model comes just weeks after the company faced cybersecurity scrutiny from the U.S. government, prompting Anthropic to implement stronger cybersecurity systems or safeguards into this model compared to the previous Opus version, thereby instilling greater confidence among users and government agencies.

Regarding its market strategy, Anthropic positions Claude Opus 5 as ideal for enterprise customers, focusing on knowledge work, biological research, and serving as a model for everyday tasks. Meanwhile, Claude Fable 5 remains reserved for high-ambition tasks and long-term AI agent projects. The company also noted that Opus 5 is the most ethically aligned model in the Opus family and the hardest to trick into misuse.
In terms of pricing structure, Anthropic maintains the same per-million-token service rates as the previous version, set at $5 for data input and $25 for output processing. This amounts to half the price of Fable 5 and is slightly cheaper than competitor OpenAI's GPT-5.6 model. Furthermore, it introduces new features such as "Fast mode" for users requiring high speed at double the cost, alongside an automatic fallback system to lower-tier models when hitting safety constraints.
The launch of Claude Opus 5 reflects Anthropic's efforts to balance powerful performance with compliance regarding safety regulations closely monitored by the government, following recent disputes and AI model review measures. The company's decision to maintain its original pricing amidst soaring AI development costs stands as a crucial strategy to retain its enterprise customer base amid fierce competition.
Source: The Verge
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