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Mistral vs. OpenAssistant

LLM Comparison


Mistral

Mistral

Overview

Mistral is a family of efficient open and hosted models spanning edge deployment through frontier-scale multimodal workloads. Mistral 3 is the current generation.


Mistral AI launched Mistral 7B in September 2023 and followed it with the Mixtral mixture-of-experts models and hosted Small and Large tiers. Mistral 3, released in December 2025 under Apache 2.0, includes dense 3B, 8B, and 14B Ministral models plus Mistral Large 3, a 675B-parameter mixture-of-experts model with 41B active parameters. The family supports instruction tuning, reasoning variants, multilingual use, code, and image understanding.


Initial release: 2023-09-27

Current generation: Mistral 3

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

Mistral

OpenAssistant

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Varies
Model Sizes 3B, 8B, 14B, 675B (41B active) 6.7B, 6.9B, 7B, 12B, 30B