Text / LLM / Model

Pixtral 12B

Organisation
Mistral AI
Family
Pixtral · version 2409
Released
2024-09-17 (Mistral blog post 'Pixtral 12B' dated September 17, 2024 (https://mistral.ai/news/pixtral-12b); HF repo created 2024-09-11)
Checkpoints
mistralai/Pixtral-12B-2409, mistralai/Pixtral-12B-Base-2409
Weights
Open · Apache 2.0
Links

Training data disclosure: Vague

Level determined for 0% of benchmark cells.

“Pixtral is an instruction tuned model which is pretrained on large scale interleaved image and text documents”
arxiv.org · paper · Section 1 · retrieved 2026-10-15
“Natively multimodal, trained with interleaved image and text data”
huggingface.co · model card · Key features · retrieved 2026-10-15

Other declared training data

Benchmark cells

Classic LLM benchmarks

Unknown MMLU (Measuring Massive Multitask Language Understanding) · training data not disclosed in enough detail

Unknown GSM8K (Grade School Math 8K) · training data not disclosed in enough detail

Unknown MATH (Mathematics Aptitude Test of Heuristics) · training data not disclosed in enough detail

Unknown HumanEval · training data not disclosed in enough detail

Unknown ARC-Challenge (AI2 Reasoning Challenge, Challenge Set) · training data not disclosed in enough detail

Unknown HellaSwag · training data not disclosed in enough detail

Unknown TruthfulQA · training data not disclosed in enough detail

Unknown WinoGrande · training data not disclosed in enough detail

Multimodal LLM benchmarks

Unknown MMMU (Massive Multi-discipline Multimodal Understanding and Reasoning) · training data not disclosed in enough detail

Unknown MMMU-Pro · training data not disclosed in enough detail

Unknown MathVista · training data not disclosed in enough detail

Unknown ChartQA · training data not disclosed in enough detail

Unknown DocVQA · training data not disclosed in enough detail

Unknown AI2D (AI2 Diagrams) · training data not disclosed in enough detail

Unknown CharXiv · training data not disclosed in enough detail

Recent LLM benchmarks

Unknown GPQA Diamond · training data not disclosed in enough detail

Unknown MMLU-Pro · training data not disclosed in enough detail

Unknown LiveCodeBench (code generation, release_v6) · training data not disclosed in enough detail

Unknown SWE-bench Verified · training data not disclosed in enough detail

Unknown AIME 2024 · training data not disclosed in enough detail

Unknown AIME 2025 · training data not disclosed in enough detail

Unknown MATH-500 · training data not disclosed in enough detail

Notes

Vision encoder (Pixtral-ViT, 400M) trained from scratch; no training data or instruction-tuning data named, no decontamination statement. Model is marked deprecated on the Mistral website. Accepts image input: “This paper describes Pixtral 12B, a multimodal language model trained to understand both images and text”

Sources