Solaria
Solaria is a next-generation automatic speech recognition (ASR) model developed by Gladia, designed to provide real-time, multilingual transcription for voice-first platforms such as call centers, meeting assistants, and media workflows.
Publisher review
Solaria is a next-generation automatic speech recognition (ASR) model developed by Gladia, designed to provide real-time, multilingual transcription for voice-first platforms such as call centers, meeting assistants, and media workflows. It targets enterprises and developers who need a single model to handle global languages without switching between different ASR engines. Solaria is marketed as the first truly universal speech-to-text model, capable of transcribing 100+ languages with native-level accuracy in high-population languages like Tagalog, Bengali, Punjabi, Tamil, Urdu, Persian, and Marathi. It also supports 42 languages that are completely unsupported by alternative API vendors, making it a strong candidate for organizations serving underserved linguistic markets.
Solaria achieves a 94% Word Accuracy Rate (WAR) in common languages such as English, Spanish, and French, while maintaining an ultra-low latency of 270 milliseconds, enabling natural, responsive conversations in real-time. The model supports real-time code-switching and translation across all supported languages, allowing speakers to mix languages mid-sentence without losing accuracy. It features adaptive speech processing for noisy environments, making it suitable for contact centers and field recordings. Solaria also offers enterprise-grade data security, complying with GDPR, HIPAA, and SOC 2 standards, and can be fine-tuned to industry-specific terminology for sectors like healthcare, finance, and legal.
Solaria competes directly with AssemblyAI and ElevenLabs, which offer similar speech-to-text APIs. While AssemblyAI provides strong accuracy and developer tooling, it supports fewer languages and does not match Solaria's 42 unique language coverage. ElevenLabs focuses on voice synthesis and has a narrower ASR offering. Solaria's key differentiator is its breadth of language support combined with low latency, though it may not yet match the ecosystem maturity or community size of its competitors. Gladia positions Solaria as a single-model solution for global scalability, reducing the need for multiple ASR integrations.
The primary trade-off is that Solaria is a relatively new model (released in 2025), so its long-term reliability and community support are unproven compared to more established alternatives. Its pricing is not publicly disclosed, which may deter budget-conscious developers. The model's focus on real-time performance may come at the cost of batch transcription throughput for large-scale offline jobs. Additionally, while Solaria excels in language coverage, its accuracy in low-resource languages beyond the 42 newly supported ones may not match that of specialized models for those languages.
How it works
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100+ language support
Transcribes and translates in over 100 languages, including 42 languages not supported by any competing API vendor.
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94% Word Accuracy Rate
Achieves 94% WAR in common languages like English, Spanish, and French, ensuring reliable transcription quality.
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270 ms latency
Maintains ultra-low latency of 270 milliseconds, enabling real-time, natural conversational flow for voice applications.
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Real-time code-switching
Supports seamless code-switching and translation across all supported languages without breaking the transcription stream.
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Adaptive noise processing
Uses adaptive speech processing to maintain accuracy in noisy environments, such as call centers or outdoor settings.
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Enterprise security compliance
Compliant with GDPR, HIPAA, and SOC 2 standards, ensuring data privacy and security for regulated industries.
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Industry terminology adaptation
Adaptable to industry-specific terminology, allowing customization for healthcare, finance, legal, and other domains.
Strengths and trade-offs
Strengths
- Supports 100+ languages, including 42 languages that no other ASR API vendor covers, enabling global reach for underserved markets.
- Achieves 94% Word Accuracy Rate in common languages while maintaining ultra-low latency of 270 ms for real-time use.
- Offers native-level transcription in high-population languages like Tagalog, Bengali, Punjabi, Tamil, Urdu, Persian, and Marathi.
- Provides enterprise-grade data security with compliance to GDPR, HIPAA, and SOC 2, suitable for regulated industries.
Trade-offs
- Pricing is not publicly disclosed, making it difficult for developers to compare costs with competitors like AssemblyAI or ElevenLabs.
- As a model released in 2025, Solaria lacks the long-term track record and community ecosystem of more established ASR solutions.
- Focus on real-time performance may limit batch transcription throughput for large-scale offline processing jobs.
- Accuracy in low-resource languages beyond the 42 newly supported ones may not match specialized models for those specific languages.
Pricing context
Not publicly disclosed in the provided sources.
Getting started with Solaria
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Sign up for Gladia
Navigate to the Gladia website and create an account. Provide your email address and set a password, or use a single sign-on option if available. Verify your email to activate the account.
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Get your API key
Log in to your Gladia dashboard and locate the API keys section. Generate a new API key and copy it to your clipboard. Store the key securely, as it will be used to authenticate all requests to Solaria.
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Configure the ASR model
In your application code, set up the Solaria ASR client by passing your API key. Specify the desired language or enable automatic language detection. Optionally, adjust parameters like sample rate or noise filtering for your environment.
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Transcribe an audio file
Send a POST request to the Solaria transcription endpoint with your audio file or stream. Include the API key in the header and set the response format to JSON. Receive the transcription text and timestamps in the response.
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Integrate real-time streaming
Use the WebSocket endpoint to establish a persistent connection for live audio. Send audio chunks as they are captured from a microphone or call. Process the incoming transcription segments in real time to power your voice application.
Frequently Asked Questions
What is Solaria and who developed it?
Solaria is a next-generation automatic speech recognition model developed by Gladia. It provides real-time, multilingual transcription for voice-first platforms like call centers, meeting assistants, and media workflows, targeting enterprises and developers needing a single ASR model for global languages.
How many languages does Solaria support and what is its accuracy?
Solaria supports over 100 languages, including 42 languages not covered by any competing API vendor. It achieves a 94% Word Accuracy Rate in common languages like English, Spanish, and French, with native-level accuracy in high-population languages such as Tagalog, Bengali, and Urdu.
What is the latency of Solaria for real-time transcription?
Solaria maintains an ultra-low latency of 270 milliseconds, enabling natural, responsive conversations in real-time. This low latency supports seamless code-switching and translation across all supported languages without breaking the transcription stream, ideal for live applications.
How does Solaria compare to AssemblyAI and ElevenLabs?
Solaria differentiates with broader language support, covering 42 languages that AssemblyAI and ElevenLabs do not. AssemblyAI offers strong accuracy and developer tooling but fewer languages, while ElevenLabs focuses on voice synthesis. Solaria is newer, so its ecosystem is less mature than competitors.
What security and compliance standards does Solaria meet?
Solaria offers enterprise-grade data security, complying with GDPR, HIPAA, and SOC 2 standards. This makes it suitable for regulated industries like healthcare, finance, and legal, ensuring data privacy and security for sensitive transcription workloads.
What are the main weaknesses of Solaria?
Solaria's pricing is not publicly disclosed, making cost comparison difficult. As a 2025 release, it lacks a long-term track record and community ecosystem. Its real-time focus may limit batch transcription throughput, and accuracy in low-resource languages may not match specialized models.
Alternatives
- SunPower ↗
- LG Solar ↗
- Panasonic Solar ↗
How Solaria compares
Direct head-to-head against 3 competitors. Picked by 7wData.
Solaria
- Pricing
- Not publicly disclosed in the provided sources.
- Target
- Solaria is a next-generation automatic speech recognition (ASR) model developed by Gladia, designed to provide real-time, multilingual transcription for voice-first platforms such as call centers,
- Strength
- Supports 100+ languages, including 42 languages that no other ASR API vendor covers, enabling global reach for underserved markets.
- Watch for
- Pricing is not publicly disclosed, making it difficult for developers to compare costs with competitors like AssemblyAI or ElevenLabs.
SunPower
- Pricing
- $2.50-$3.50 per watt
- Target
- Homeowners wanting premium efficiency and aesthetics
- Deployment
- Residential rooftop
- Strength
- Industry-leading 22.8% panel efficiency
- Watch for
- Acquired by Complete Solaria in 2024, brand future uncertain
LG Solar
- Pricing
- $2.40-$3.20 per watt
- Target
- Homeowners seeking high-efficiency panels with strong warranty
- Deployment
- Residential rooftop
- Strength
- NeON series with 25-year product warranty
- Watch for
- Exited solar panel manufacturing in 2022, limited availability
Panasonic Solar
- Pricing
- $2.60-$3.40 per watt
- Target
- Homeowners wanting reliable, high-efficiency panels
- Deployment
- Residential rooftop
- Strength
- EverVolt series with 92% power retention after 25 years
- Watch for
- Higher upfront cost compared to mid-tier brands
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Sources
Reporting on this tool draws on these publicly available sources.