Claude Sonnet 4.5: Anthropic's best model arrives on Neurooo

We’re thrilled to announce the integration of Claude Sonnet 4.5, the most powerful AI model developed by Anthropic. This new option enriches our catalog to offer you exceptional quality translations.

Anthropic’s best model

Claude Sonnet 4.5 represents the pinnacle of Anthropic’s technology. This model stands out for its nuanced understanding of context, mastery of linguistic subtleties, and ability to preserve the tone and style of the original text.

Whether you’re translating technical, creative, or marketing content, Sonnet 4.5 captures your text’s intent with remarkable precision. The result? Translations that sound natural in the target language.

The LLM model for professionals

To allow us to continue maintaining a stable and high-performance service for everyone, we’ve chosen to include Sonnet only in our Pro Plan.

If you use Neurooo for demanding professional projects, Sonnet will be your best ally for impeccable translations.

Claude Haiku: available for everyone

We believe quality should be accessible. That’s why we also offer Claude Haiku, another Anthropic model, in our free plan.

While less powerful than Sonnet, Haiku still delivers excellent performance for most common use cases. It’s an ideal option to test Anthropic models without commitment.

How to use it?

If you’re a Pro plan member, Sonnet 4.5 is already available in the model selector of the translation interface under the name Claude Premium. You can start using it with one click.

For free users, Claude Haiku (Claude Basic) remains accessible and provides an excellent introduction to Anthropic models.

If you use our translation API, you just need to call the anthropic-sonnet model to start using it (see our documentation).

Ready to try? Create your free account or upgrade to Pro to access Sonnet 4.5 now.