T-pro 2.0: An Efficient Russian Hybrid-Reasoning Model and Playground

Dmitrii Stoianov, Danil Taranets, Olga Tsymboi, Ramil Latypov, Almaz Dautov, Vladislav Kruglikov, Surkov Nikita, German Abramov, Pavel Gein, Dmitry Abulkhanov, Mikhail Gashkov, Viktor Zelenkovskiy, Artem Batalov, Aleksandr Medvedev, Anatolii Potapov


Abstract
We introduce T-pro 2.0, an open-weight Russian LLM for hybrid reasoning and efficient inference.The model supports direct answering and reasoning-trace generation, using a Cyrillic-dense tokenizer and an adapted EAGLE speculative-decoding pipeline to reduce latency. To enable reproducible and extensible research, we release the model weights, the T-Wix 500k instruction corpus, the T-Math reasoning benchmark, and the EAGLE weights on HuggingFace. These resources allow users to study Russian-language reasoning and to extend or adapt both the model and the inference pipeline. A public web demo exposes reasoning and non-reasoning modes and illustrates the speedups achieved by our inference stack across domains.T-pro 2.0 thus serves as an accessible open system for building and evaluating efficient, practical Russian LLM applications.Demo: https://t-pro2eagle.streamlit.app/https://huggingface.co/collections/t-tech/t-pro-20
Anthology ID:
2026.eacl-demo.22
Volume:
Proceedings of the 19th Conference of the European Chapter of the Association for Computational Linguistics (Volume 3: System Demonstrations)
Month:
March
Year:
2026
Address:
Rabat, Marocco
Editors:
Danilo Croce, Jochen Leidner, Nafise Sadat Moosavi
Venue:
EACL
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
297–319
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URL:
https://preview.aclanthology.org/ingest-eacl/2026.eacl-demo.22/
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Bibkey:
Cite (ACL):
Dmitrii Stoianov, Danil Taranets, Olga Tsymboi, Ramil Latypov, Almaz Dautov, Vladislav Kruglikov, Surkov Nikita, German Abramov, Pavel Gein, Dmitry Abulkhanov, Mikhail Gashkov, Viktor Zelenkovskiy, Artem Batalov, Aleksandr Medvedev, and Anatolii Potapov. 2026. T-pro 2.0: An Efficient Russian Hybrid-Reasoning Model and Playground. In Proceedings of the 19th Conference of the European Chapter of the Association for Computational Linguistics (Volume 3: System Demonstrations), pages 297–319, Rabat, Marocco. Association for Computational Linguistics.
Cite (Informal):
T-pro 2.0: An Efficient Russian Hybrid-Reasoning Model and Playground (Stoianov et al., EACL 2026)
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PDF:
https://preview.aclanthology.org/ingest-eacl/2026.eacl-demo.22.pdf