1. OpenAI Whisper: Compatible with 98 languages, it stands out for its accuracy in noisy environments and automatic language changes. Price: €0.0055/minute.

2. Sonix Engine: Ideal for Iberian Spanish and regional accents, with an accuracy of 99%. Price: €15/month for 100 minutes.

3. Maestra ASR: Supports over 125 languages, with 300 ms latency and a real-time focus. Basic plan: €39/month.

4. Trint ProMeeting: 94% accuracy in Spanish and generates automatic summaries. Limitation: a maximum of 4 hours of continuous transcription.

5. Speechmatics NeuralEdge: Processes data in real-time with less than 200 ms latency and a compressed model of 80 MB. Price: according to volume.

6. Deepgram Nova: High accuracy (WER 6.84%) and capable of handling up to 10 languages in real time. Price: €0.0072/minute.

7. Jamy Meeting Intelligence: Automates tasks, detects languages, and generates personalized reports. It has processed over 500,000 minutes of meetings.

Quick comparison:

These tools are transforming the way we document multilingual meetings. Choose the one that best fits your needs.

How to Transcribe and Summarize Classes, Meetings, Talks, Calls...

1. OpenAI Whisper

OpenAI Whisper positions itself as one of the most advanced models for multilingual transcription, ideal for managing international meetings. This open source model has been trained with 680,000 hours of data, achieving impressive accuracy in multiple languages.

Its results back it up: it records a word error rate (WER) of 10.3% in multilingual tests. Even in zero-shot scenarios, where no training with specific data is done, it manages to reduce errors by 50%. In the case of Spanish, it has a WER of 14.7%, making it especially relevant for the Spanish-speaking market.

"A study conducted at the University of Cambridge in November 2023 with 226 speakers showed a WER of 6.8% in native English compared to 11.2% in non-native, as well as accurate detection of 92% of technical terms in medical recordings".

Whisper also excels in noisy environments, maintaining 92% accuracy in conditions up to 60 dB. It supports 98 languages, allows translations into English from 30 languages, and achieves 89% effectiveness in conversations with language changes.

Value for money in Spain

Moreover, the batch processing implementations introduced in 2024 further improved its performance, reducing WER from 15.1% to 13.1% in extensive content analysis. It is now capable of processing up to 86.6 minutes of audio per second.

With these features, Whisper consolidates itself as a robust option for transcriptions in multilingual meetings. Next, we will look at another model that complements these capabilities.

2. Sonix Engine

Sonix Engine is a multilingual transcription tool that combines deep neural networks and natural language processing (NLP) to generate accurate transcriptions in over 53 languages. Its voice recognition technology guarantees an accuracy of 99%, even in low-quality audio situations. Designed to meet the demands of business environments, this solution adapts to the most demanding needs.

In the case of the Spanish market, Sonix has developed specific functionalities to identify and transcribe regional accents, including variants from cities like Madrid, Barcelona, and Seville. Moreover, the platform automatically adjusts expressions typical of Latin America to Iberian Spanish, such as changing "computadora" to "ordenador".

Independent tests have shown that Sonix achieves an accuracy of 98.7% in Iberian Spanish, surpassing the industry average, which stands at 97.1%.

The platform is especially useful in multilingual business environments, thanks to features like these:

A practical example is that of MediaPro Barcelona, which in 2023 managed to reduce post-production time by 40% when subtitling documentaries in Catalan and Basque using this tool.

Sonix's plans are designed to fit the Spanish market, with prices starting at €15/month for 100 minutes of transcription. Additionally, academic institutions can access a 40% discount through a special program.

In bilingual Spanish-English meetings, the system maintains a 95% accuracy. It offers real-time transcription, participant labeling, noise cancellation, and automatic punctuation, ensuring clear transcriptions even in noisy environments.

3. Maestra ASR

Maestra ASR combines voice recognition and automatic translation to offer support in over 125 languages, including Spanish, Catalan, and Galician. Below, we review its features and performance.

This system employs a hybrid architecture that allows audio to be processed in real-time with a latency of just 300 ms. Under ideal conditions, it achieves a WER (word error rate) of 8.2% in Iberian Spanish.

An example of its impact can be seen in the Generalitat Valenciana, which managed to reduce the time spent documenting plenary sessions by 40% thanks to Maestra ASR. Additionally, the system effectively handles bilingual interventions, as demonstrated by Beethoven, a pet store chain, when it reduced its immobilized stock by 30%.

Plans designed for the Spanish market

Maestra ASR stands out for its security. It processes data on servers located in the European Union, employs AES-256 encryption, and complies with GDPR, including the right to be forgotten within 72 hours.

One of its standout features is the detection of code-switching, ideal for situations where languages like Spanish and English or Catalan and Spanish are mixed. Additionally, it offers specific tools for regulated sectors, such as certified transcriptions valid in legal proceedings in Spain and compatibility with subtitles in formats that comply with European regulation EBU-TT-D.

4. Trint ProMeeting

Trint ProMeeting stands out for providing real-time transcriptions with a minimum delay of just 3 seconds. Moreover, it supports over 30 languages and is optimized for Iberian Spanish.

Performance and accuracy

The performance and accuracy of Trint ProMeeting vary depending on the scenario, but generally, the voice recognition engine processes audio in half the time of the original file duration:

Success case: El País

A clear example of the impact of Trint ProMeeting is the case of El País. This media outlet managed to reduce the processing time of a 45-minute conference to just 20 minutes, maintaining an accuracy of 94%. It even highlighted its ability to interpret regional accents like Andalusian and Catalan.

Main technical features

Trint ProMeeting not only guarantees accurate results but also adapts its functionalities to the Spanish market. Among its most relevant technical features are:

• Automatic formatting of dates, currencies, and units according to local conventions.

Security and regulatory compliance

Regarding security, Trint ProMeeting meets high international standards, including ISO 27001 and Cyber Essentials Plus certifications. It also ensures compliance with GDPR through:

• Storage of data on servers located in Frankfurt and Dublin.

• AES-256 encryption both at rest and in transit.

• Role-based access control (RBAC).

• Compliance with Spanish LOPDGDD.

Current limitations

Despite its many advantages, Trint ProMeeting faces some limitations:

• A maximum of 4 hours of continuous transcription for live meetings.

• Absence of automatic punctuation in Spanish.

• Somewhat slow processing for extensive recordings, such as 28 minutes to transcribe 1.5 hours of a Zoom recording.

• Limited support for Latin American Spanish variants.

Available integrations

The platform offers integration options with key tools, albeit with certain restrictions:

However, the lack of direct integration with Google Meet requires the use of intermediary tools like Zapier, which can reduce efficiency in some organizations.

5. Speechmatics NeuralEdge

Speechmatics NeuralEdge stands out for its innovative self-supervised learning architecture, trained with over 1.1 million hours of audio in several languages. This system has gained recognition in the field of real-time transcription due to its high accuracy.

Performance and accuracy

The model achieves a level of accuracy of 95% for Iberian Spanish:

Notable technical features

NeuralEdge incorporates tools specifically designed for the Spanish market:

• Automatic detection of changes between Spanish and English.

• Adaptation to regional accents, such as Andalusian and Catalan.

• Number formatting according to European standards (e.g., 1,000.00).

• Smart punctuation, which includes symbols like ¿ and ¡.

Processing and capacity

The system can process an audio volume equivalent to 500 years a month in 50 languages, offering features such as:

• Identification of up to 6 different speakers.

• Latency lower than 200ms in real-time transcriptions.

• Operation with a compressed model of just 80MB.

Integration and deployment options

Speechmatics NeuralEdge offers various flexible implementation modalities:

Management of specialized terminology

For the Spanish market, the system includes specific tools:

• An adapted vocabulary with 15,000 banking terms.

• Formatting of entities according to European Union standards.

• Automatic recognition of acronyms like VAT or IRPF.

Infrastructure and security

The platform complies with strict security standards and regulations:

• Processing on servers located in Madrid.

• Complete compliance with GDPR.

• Local processing to ensure the protection of sensitive data.

With this set of capabilities, Speechmatics NeuralEdge positions itself as a solid solution for real-time transcription. Soon, we will explore how these features compare with those of other models.

6. Deepgram Nova

Deepgram Nova-3, launched in February 2025, takes real-time transcription to a new level. This system can handle up to 10 languages simultaneously, including Spanish, English, and French, offering an advanced solution for companies with diverse language needs. Here’s why Nova-3 stands out among its competitors.

Performance in Spanish business environments

The ability of Nova-3 to adapt to different business scenarios in Spain is impressive. Below is a look at its performance:

Technical advances that make a difference

Nova-3 incorporates a series of technical improvements designed to overcome daily challenges in business environments:

• Noise filtering: Ideal for busy offices, maintaining high accuracy even in open spaces.

• Speaker detection: Recognizes with 92% accuracy different speakers, even in bilingual meetings.

• Regional formatting: Automatically adapts numbers to European formats, such as €1,234.56.

Customization for key sectors

Thanks to its Keyterm Prompting functionality, Nova-3 allows optimization of specific terms in sectors like legal, healthcare, and financial. This translates into a 98.7% accuracy when formatting numeric data.

Regulatory compliance and accessible costs

Nova-3 is not only efficient, but also complies with GDPR and LOPDGDD regulations, ensuring the security of data. Additionally, costs are competitive:

• Real-time transcription: €0.0072/minute

• Growth plan: €0.0060/minute

• Initial credit: €185

Results in practice

"In the legal department of Real Madrid, we managed a latency of 3.2 seconds in the processing of daily meetings, which has revolutionized our way of documenting negotiations".

Another notable example is a contact center in Barcelona, which managed to double its authentication rates after implementing Nova-3 in March 2025. These cases demonstrate how Nova-3 can transform business operations with its advanced capabilities.

Multilingual capabilities

Nova-3 not only handles 36 languages, but also switches between them automatically, adapting to Spanish regional accents without losing context during transitions.

In summary, Nova-3 is a powerful solution for Spanish companies looking to operate in a global environment. Its combination of multilingual processing, sector-specific customization, and regulatory compliance makes it an essential tool for business success.

7. Jamy Meeting Intelligence

Jamy Meeting Intelligence offers instant transcriptions in various languages, ideal for Spanish teams working in international markets. Its advanced natural language processing engine recognizes over 50 languages and automatically adjusts the language according to the ongoing conversation. Below, we explore its main features and how it is transforming the management of meetings in Spain.

Performance in multilingual transcriptions

Advanced features for multilingual meetings

Jamy not only transcribes, but also optimizes the dynamics of meetings with advanced tools such as:

• Automatic language detection to adapt to the flow of conversation.

• Personalized reports that summarize key points from meetings.

• Extraction of relevant quotes useful for follow-up and documentation.

• Automatic task assignment distributing responsibilities among participants.

Success cases in Spanish companies

Numerous companies in Spain have already experienced the benefits of Jamy. Alexia Lafitau, CEO of Odys.travel, describes it this way:

"I love that Jamy automatically assigns tasks to the people who need to carry them out. I no longer have to create the tasks manually, which saves a lot of time."

Thanks to these capabilities, companies have managed to streamline their processes and reduce the time spent on administrative tasks.

Integration with key platforms

Jamy easily adapts to the most commonly used business tools in Spain, facilitating its implementation. Here are some examples:

Measurable benefits in productivity

The combination of accurate transcriptions and automation has generated a tangible impact on productivity. Chris Chaput, COO of Cadana, shares his experience:

"Jamy.ai has been a radical change for my customer success team. It allows them to automatically send meeting reports to clients, ensuring they receive all the context and know the next steps. Previously, we did this manually, which took a lot of time."

To date, Jamy has processed over 500,000 minutes of meetings, maintaining an impressive satisfaction rating of 4.9 out of 5. Its focus on linguistic accuracy and automation makes it an essential tool for companies operating in multilingual environments.

Feature comparison of models

To facilitate the selection among different AI models designed for multilingual transcription, here are their most relevant features. This comparison helps to understand what each solution offers and how it fits different needs.

Main features of the models

Precision and performance

In addition to the basic functions, accuracy is a critical factor, especially for teams working in multiple languages. In this regard, Jamy stands out for its ability to automatically adjust to the language of each meeting, ensuring more reliable and accurate transcriptions.

Integration with collaborative tools

Integration with videoconferencing platforms can make a difference. Here is a summary of the main integration features:

These connections with collaborative tools not only enhance user experience but also optimize meeting management.

Automation and productivity increase

The most advanced models offer functionalities that enhance productivity, such as:

• Automatic adaptation to the participants' language to ensure accurate transcriptions.

• Personalized reports generated in the preferred language.

• Automatic task assignment and tracking, facilitating organization post-meeting.

• Direct connection with business management tools, promoting a more efficient workflow.

These capabilities are essential for teams operating in multilingual environments, helping them manage international communications more agilely and document meetings more effectively.

Summary and recommendations

Based on the analyzed features, here is a summary of the best options according to the specific needs of each type of company:

For SMEs

Small and medium-sized enterprises in Spain should opt for solutions that combine a good price with ease of use. Sonix is a standout option, costing €10/hour on a pay-as-you-go basis or €5/hour with a subscription. Additionally, it offers 99% accuracy in over 53 languages.

For large companies

Organizations with higher demands can benefit from tools like Speechmatics NeuralEdge, which provides:

• Adaptable models for different languages and accents.

• Accuracy above 95% in over 30 languages.

• Ability to process large volumes of data.

• Advanced customization options for specific needs.

For regulated sectors

In sectors such as healthcare or financial services, where regulatory compliance is crucial, it is important to prioritize:

These points ensure that companies meet legal standards while maintaining data security.

Key technical considerations

1. Quality and processing: Tools like Deepgram Nova stand out for their high accuracy, even in challenging acoustic conditions, and for easily integrating with existing systems.

2. Customization: A clear example is NLP Logix, which increased the automatic transcription rate of a healthcare client from 5% to 68% due to the adaptation of specific vocabulary.

These technical features are essential to ensure optimal performance.

Final recommendation

Choose solutions that offer:

• Strong support for Iberian Spanish.

• Fast, real-time processing.

• Integrations that enhance productivity.

• Flexible plans that fit your needs.

Before making a decision, conduct tests to ensure that the system meets your expectations.

FAQs

Which AI model is ideal for transcribing in real-time in noisy environments?

The article does not mention a specific AI model designed for real-time transcriptions in noisy environments. However, Jamy.ai stands out for its advanced tools for multilingual meetings. Among its capabilities, it includes automatic task generation based on spoken content, which facilitates organization and improves productivity, even in challenging contexts.

What are the benefits of automatic language detection in multilingual transcriptions?

Automatic language detection in multilingual transcriptions

Automatic language detection in transcriptions allows for the identification and transcription of multiple languages simultaneously without manual setup. This is especially practical in contexts such as international meetings or interviews where different languages are spoken.

Main advantages

• Time saving: The system automatically switches between languages, eliminating the need for manual adjustments and speeding up the transcription process.

• Improved accuracy: It recognizes the spoken language in real-time, reducing errors in transcriptions.

• Simple usage: It removes unnecessary technical steps, providing a smoother experience for the user.

This technology not only facilitates handling multilingual conversations but also ensures clear and accurate transcriptions, regardless of how many languages are used.

How accurate are AI models at transcribing different regional accents of Spanish?

The article does not directly focus on the accuracy of AI models at transcribing regional Spanish accents. Rather, it highlights models designed for multilingual transcriptions and the features offered by Jamy.ai for meetings and interviews. Nevertheless, this tool is designed to handle different languages and contexts, making it an interesting option for scenarios where linguistic variations exist or multiple languages are combined.

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