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AIxBlock

Speech and LLM training data, delivered self-hosted.

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Coding & WebPaidWe checked the prices on aixblock.io on 28 Sep 2026.

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What is AIxBlock?

Speech and LLM training data, delivered self-hosted.

Who is AIxBlock best for?

AIxBlock is best for enterprise AI teams that need multilingual speech or dialogue training data kept in their own storage.

  • Speech and voice AI teams

    It collects, transcribes and annotates speech in about 100 languages and accents, with speaker labels and timestamps, using professional voice talent or natural speakers.

  • LLM fine-tuning and alignment

    Its text and dialogue services cover conversation annotation, intent and entity labeling, and RLHF-style preference data for tuning models to a domain.

  • Teams that need audio fast

    An off-the-shelf library of hundreds of thousands of hours of real call center recordings can be licensed instead of waiting months for a custom collection.

  • Banks, healthcare and government

    On custom projects the client's own storage is connected from day one, so AIxBlock keeps no copy of the data and cannot resell it.

How much does AIxBlock cost?

AIxBlock does not publish prices: its training data services are sold through a sales call, its ready-made audio through a licensing quote and its self-hosted platform through a demo, and the maker states no free plan or trial.

AIxBlock shows no price list or plans. The off-the-shelf audio library is licensed on a quote, with pilot samples offered before a bulk licence, and the maker also posts some free public datasets on a separate page. Plans and current prices are on aixblock.io.

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What are the best AIxBlock alternatives?

Two tools on Recaply do AIxBlock's job.

Questions about AIxBlock

What is AIxBlock?

Speech and LLM training data, delivered self-hosted.

Who is AIxBlock for?

AIxBlock is best for enterprise AI teams that need multilingual speech or dialogue training data kept in their own storage.

Is AIxBlock free?

No. AIxBlock is a paid tool.

What are the best AIxBlock alternatives?

The closest alternatives on Recaply are Defined.ai and Appen.

Where can I try AIxBlock?

On its official website, aixblock.io.

Can I test AIxBlock audio data before buying a large licence?

Yes. AIxBlock offers pilot samples from its off-the-shelf call center audio library, so a team can check the format and run the data against its own model benchmarks before committing to a bulk licence. The price comes with a licensing quote.

Does AIxBlock keep a copy of the data it collects for clients?

No. For custom collection projects, AIxBlock connects the client's own storage from the start, so collected, labeled or checked data goes straight into the client's environment. The maker says it keeps no copy and therefore cannot resell or reuse that data.