Illustration for: IndicWav2Vec, Trained on 40 Indian Languages, Leads ASR Diversity
Open Source

IndicWav2Vec, Trained on 40 Indian Languages, Leads ASR Diversity

2 min read

When I skimmed the latest list of the 18 most-downloaded open-source AI models from India, the first thing that jumped out was how many of them are speech-to-text tools. It makes sense - the country is still trying to stitch together a huge linguistic puzzle. Still, the majority of those models only cover a few of the big languages, so speakers of smaller regional tongues end up on the sidelines.

One of the entries, a project that claims to be truly pan-Indian, caught my eye because it promises to reach every corner of the nation. Then there’s Sarvam-1, which the developers market as a two-bill effort, adding a rather different vibe to the mix. The scene feels split between narrowly aimed solutions and attempts at wider inclusion, and I keep wondering which of these actually moves automated speech recognition forward across the subcontinent.

The details below should give a clearer picture. It's unclear yet which one will become the go-to for developers, but the trends are worth watching.

IndicWav2Vec -- AI4Bharat A multilingual speech model trained on 40 Indian languages, IndicWav2Vec represents the widest linguistic diversity among Indian automated speech recognition (ASR) models. The Hindi model alone gets about 1,997 monthly downloads. Sarvam-1 -- Sarvam AI Sarvam-1 is a two-billion-parameter language model optimised for 10 major Indic languages, including Hindi, Tamil, Bengali and Marathi.

Released by Sarvam AI, the first startup to get selected under the IndiaAI Mission, the model delivers strong multilingual results across Indian contexts. Sarvam-M -- Sarvam AI Sarvam-M is a 24 billion-parameter multilingual model built by Sarvam AI for reasoning tasks in Indic languages.

Related Topics: #AI #ASR #IndicWav2Vec #Sarvam-1 #multilingual #speech-to-text #AI4Bharat #IndiaAI Mission

It’s hard to say if any one model really covers India’s whole linguistic spread. IndicWav2Vec, trained on 40 languages, often gets the credit in the ASR world. An October 2025 sweep of Hugging Face, GitHub and AIKosh shows it sitting among the 18 most-downloaded open-source Indian AI models, with the Hindi version pulling about 1,997 downloads a month.

That’s decent, but still far from the numbers big global tools see, and it doesn’t prove the model is being used for all 40 tongues. At the same time, IndicTrans2 bills itself as the nation’s flagship translator and now handles all 22 scheduled languages - though we haven’t seen any download stats for it. Sarvam-1, a two-bill… (incomplete).

What’s clear is that the open-source AI scene in India is moving fast, helped by programmes like IndiaAI and AIKosh. Whether this variety will turn into lasting usage or commercial success is still up in the air. Future releases might fill the gaps, but for now the evidence is thin.

I think community feedback will steer the next versions, and we’ll need to keep watching download trends and real-world deployments to see if the promise holds.

Common Questions Answered

How many Indian languages does IndicWav2Vec support, and why is this significant for ASR diversity in India?

IndicWav2Vec supports 40 Indian languages, making it the most linguistically diverse ASR model available in the country. This breadth allows the model to address the vast multilingual landscape of India, where many regional languages have been under‑represented in speech‑to‑text tools.

What does the monthly download figure for the Hindi variant of IndicWav2Vec indicate about its adoption?

The Hindi variant records roughly 1,997 downloads each month, suggesting a modest level of interest among developers. While the figure places it among the 18 most downloaded Indian open‑source AI models, it still lags behind the usage rates of larger global speech‑recognition solutions.

In what ways does Sarvam-1 differ from IndicWav2Vec in terms of model size and language coverage?

Sarvam-1 is a two‑billion‑parameter language model optimized for ten major Indic languages, including Hindi, Tamil, Bengali, and Marathi, whereas IndicWav2Vec focuses on speech recognition across 40 languages. Consequently, Sarvam-1 targets broader natural‑language tasks, while IndicWav2Vec specializes in multilingual ASR.

According to the October 2025 survey, how does IndicWav2Vec rank among open‑source Indian AI models, and what does this imply for the Indian AI ecosystem?

The October 2025 survey of Hugging Face, GitHub, and AIKosh repositories places IndicWav2Vec among the 18 most downloaded open‑source Indian AI models. Its presence in this top list highlights growing developer interest in multilingual speech tools, even though overall adoption remains limited compared with global alternatives.