Megatron-Turing vs. GigaChat 3 Ultra

The Megatron-Turing Natural Language Generation model (MT-NLG) is distinguished as the most extensive and sophisticated monolithic transformer model designed for the English language, featuring an astounding 530 billion parameters. Its architecture, consisting of 105 layers, significantly amplifies the performance of prior top models, especially in scenarios involving zero-shot, one-shot, and few-shot learning. The model demonstrates remarkable accuracy across a diverse array of natural language processing tasks, such as completion prediction, reading comprehension, commonsense reasoning, natural language inference, and word sense disambiguation. In a bid to encourage further exploration of this revolutionary English language model and to enable users to harness its capabilities across various linguistic applications, NVIDIA has launched an Early Access program that offers a managed API service specifically for the MT-NLG model. This program is designed not only to promote experimentation but also to inspire innovation within the natural language processing domain, ultimately paving the way for new advancements in the field. Through this initiative, researchers and developers will have the opportunity to delve deeper into the potential of MT-NLG and contribute to its evolution.

GigaChat 3 Ultra is a breakthrough open-source LLM, offering 702 billion parameters built on an advanced MoE architecture that keeps computation efficient while delivering frontier-level performance. Its design activates only 36 billion parameters per step, combining high intelligence with practical deployment speeds, even for research and enterprise workloads. The model is trained entirely from scratch on a 14-trillion-token dataset spanning ten+ languages, expansive natural corpora, technical literature, competitive programming problems, academic datasets, and more than 5.5 trillion synthetic tokens engineered to enhance reasoning depth. This approach enables the model to achieve exceptional Russian-language capabilities, strong multilingual performance, and competitive global benchmark scores across math (GSM8K, MATH-500), programming (HumanEval+), and domain-specific evaluations. GigaChat 3 Ultra is optimized for compatibility with modern open-source tooling, enabling fine-tuning, inference, and integration using standard frameworks without complex custom builds. Advanced engineering techniques—including MTP, MLA, expert balancing, and large-scale distributed training—ensure stable learning at enormous scale while preserving fast inference. Beyond raw intelligence, the model includes upgraded alignment, improved conversational behavior, and a refined chat template using TypeScript-based function definitions for cleaner, more efficient interactions. It also features a built-in code interpreter, enhanced search subsystem with query reformulation, long-term user memory capabilities, and improved Russian-language stylistic accuracy down to punctuation and orthography. With leading performance on Russian benchmarks and strong showings across international tests, GigaChat 3 Ultra stands among the top five largest and most advanced open-source LLMs in the world. It represents a major engineering milestone for the open community.