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What is GigaChat 3 Ultra?

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.

What is GigaBrain?

GigaBrain meticulously examines a vast array of discussions on Reddit and other online forums to present you with the most relevant posts and comments suited to your interests. By analyzing billions of comments within various discussion threads, we deliver well-researched responses that truly matter. Our platform automatically categorizes the most relevant answers along with their sources for your convenience. You can further refine your experience by rating comments based on how well they address your questions. Moreover, you have the opportunity to pose your own inquiries through GigaPost, which will be disseminated across related subreddits. As you explore, you’ll gain early access to cutting-edge features aimed at uncovering authentic viewpoints from real individuals. GigaBrain is committed to assisting you in navigating through the noise to uncover significant insights from the most active online communities, ensuring you remain well-informed. With our innovative approach, you can engage more deeply with the content that resonates with you.

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Media

Integrations Supported

GigaChat
Reddit

Integrations Supported

GigaChat
Reddit

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Sberbank

Date Founded

1841

Company Location

Russia

Company Website

giga.chat

Company Facts

Organization Name

GigaBrain

Company Website

thegigabrain.com

Categories and Features

Categories and Features

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