Mistral 7B: an efficient open 7B language model

Posted 18 Oct 2026

A 7-billion-parameter base language model from Mistral AI that showed a small, well-trained model can compete with much larger ones. It is a popular starting point for fine-tuning.

OrganizationMistral AI
Released2023
Parameters~7B
LicenseApache-2.0
  • Decoder-only transformer with grouped-query attention for faster, lighter decoding
  • Sliding-window attention keeps long inputs cheaper than full attention
  • Byte-fallback BPE tokenizer, so unusual characters never become unknown tokens
  • Base model with no built-in moderation; add your own safety layer for production

Summary written by SolxLab. Weights and code belong to their authors and are distributed under the license shown; always check the official page before use.

NLPLLMEfficiency