Avi Sil
NLP researcher; first author of IBM's open-source PrimeQA toolkit and co-author of Granite Embedding
Avi Sil (Avirup Sil on arXiv) is a natural language processing researcher whom IBM Research described in 2022 as an IBM researcher who led development of the Dr. Decr and GAAMA question-answering models behind PrimeQA. Sil is the first author of the PrimeQA paper, which introduces an open-source repository for multilingual question answering covering retrieval, reading comprehension, and question generation, released under the Apache-2.0 license. Sil is also a co-author of the 2025 Granite Embedding Models report, whose English and multilingual retrieval models IBM released under the Apache 2.0 license.12345
Work
IBM Granite Embedding modelsOpen weights
Listed among the authors (as Avirup Sil) of "Granite Embedding Models" (2025), a family of encoder-based retrieval embedding models in English and multilingual versions that the report says are publicly released under the Apache 2.0 license.5
PrimeQA (external site: github.com)Open-source code
First author of the PrimeQA paper (2023), listed as Avi Sil on IBM Research's publication page and as Avirup Sil on arXiv. IBM Research's 2022 release post says Sil led development of the Dr. Decr and GAAMA models that PrimeQA is based on; the primeqa repository is under the Apache-2.0 license.3214
Other documented roles
Roles the sources document but that are not confirmed as current.
- IBM researcher specializing in natural language processing (IBM Research blog, July 2022), IBM Research1
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