The default assumption in Western AI tooling is that English models handle all languages adequately. For Spanish, French, and German, this is roughly true — the training data is substantial. For Russian, the assumption breaks down. Russian has 258 million speakers, complex morphology, four cases, three genders, and an aspect system for verbs that has no English equivalent. Models trained primarily on English-language internet data handle Russian at roughly 60–70% of their English quality. That gap matters when you are building customer-facing products for Russian-speaking markets.
AACFlow solves this by integrating the two leading Russian AI models — GigaChat from Sberbank and YandexGPT — alongside Yandex SpeechKit for voice workflows. This is not about choosing Russian models out of nationalism. It is about choosing the right tool for the task, and for Russian-language AI work, the right tool is sometimes Russian.
Why Russian companies need Russian AI models
There are two separate arguments here: quality and compliance.
Quality: Russian morphology is unforgiving. A noun in Russian has up to twelve forms depending on case and number. Adjectives agree with nouns in gender, number, and case. Verb aspects (perfective vs. imperfective) change meaning fundamentally, not just style. GPT-4 and Claude handle Russian well — but "well" means 85–90% accuracy on grammatical agreement. For legal documents, contracts, and formal business communication, 10–15% error rate in morphology is not acceptable. GigaChat and YandexGPT, trained on Russian-first corpora, achieve 95–98% grammatical accuracy on formal Russian text.
Compliance: The Russian Federal Law No. 149-FZ on Information requires that personal data of Russian citizens be stored and processed on servers within Russia. For companies subject to Russian data localization requirements — banks, insurers, healthcare providers, government contractors — sending data to OpenAI or Anthropic APIs violates the law. GigaChat's API runs entirely within Russian infrastructure. YandexGPT runs on Yandex Cloud, which has certified data centers in Russia.

