Anthropic launches Claude Opus 5 AI model at half the price

Investing.com -- Anthropic PBC introduced a new artificial intelligence model on Friday designed to handle workplace tasks at a lower cost as customer price sensitivity increases and competition grows in China.

The company released Claude Opus 5, which it says delivers performance close to its most advanced model, Fable 5, in many areas while costing 50% less. Anthropic stated the new model is expected to become the default choice for many routine office tasks.

Claude Opus 5 is priced at $5 per million input tokens and $25 per million output tokens, matching the cost of its predecessor, Opus 4.8, while offering improved performance. The model is available across all platforms starting Friday.

The new model shows strong results on software engineering tasks. On Frontier-Bench v0.1, Opus 5 outperformed all other models and more than doubled Opus 4.8's performance at a lower cost per task. On CursorBench 3.2, the model achieved performance within 0.5% of Fable 5's peak score at maximum effort, but at half the cost per task.

For problem-solving tasks, Opus 5 scored three times higher than the next-best model on ARC-AGI 3. On Zapier AutomationBench, which tests whether models can complete business tasks from start to finish, Opus 5's pass rate was approximately 1.5 times the next-best model for the same cost per task.

The model also showed improvements for scientific research, scoring 10.2 percentage points higher than Opus 4.8 on organic chemistry tasks and 7.7 percentage points higher on protein-related tasks.

In safety testing, Opus 5 scored 2.3 on overall misaligned behavior, the lowest among recent Anthropic models. The company said the model does not advance risky, dual-use capabilities and remains behind Mythos 5 in biology research and offensive cybersecurity.

Opus 5 is now the default model on Claude Max and the strongest model on Claude Pro. The company also offers a Fast mode that runs approximately 2.5 times the default speed at twice the base price.

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