Sapling Logo

MiniMax vs. OpenAssistant

LLM Comparison


MiniMax

Overview

MiniMax is an open-weight model family spanning language, reasoning, multimodal, and agentic workloads. MiniMax M3 is the current generation.


MiniMax introduced the open MiniMax-01 series in January 2025 and followed it with the M1 and M2 reasoning and agent models. MiniMax M3, released in June 2026, is a 428B-parameter mixture-of-experts model with about 23B active parameters. It combines native image and video understanding, a one-million-token context window, sparse attention, computer use, coding, and long-horizon agent capabilities.


Initial release: 2025-01-15

Current generation: MiniMax M3

OpenAssistant

OpenAssistant

Overview

OpenAssistant is a project organized by LAION with aim of providing an open source alternative to ChatGPT. Its primary effort is to collected instruct examples to then tune existing LLMs. The first major release is available as part of Hugging Face's HuggingChat.



Initial release: 2023-04-15

MiniMax

OpenAssistant

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License MiniMax Community Varies
Model Sizes 428B (23B active) 6.7B, 6.9B, 7B, 12B, 30B