Mistral Small 3.1

Elevated Multimodal Open AI for Text, Images & Agents

What is Mistral Small 3.1?

Mistral Small 3.1 is a lightweight, open-source generative AI model with 24 billion parameters and an expanded 128,000-token context window. Licensed under Apache 2.0, it is designed for cost-effective, secure, multilingual, and multimodal applications across industries. Mistral Small 3.1 outperforms comparable proprietary models on text, reasoning, and image benchmarks, while staying light enough for on-device use.

Key Features of Mistral Small 3.1

Ultra-fast, Efficient, On-Device

Delivers up to 150 tokens per second, optimized for real-time use on desktops, edge devices, or cloud, no expensive GPUs required.

Multimodal & Multilingual

Interprets text and images in over 21 languages, supporting OCR, document analysis, security, and global operations.

Long Context, Advanced Reasoning

Handles up to 128,000 tokens with high accuracy in QA, summarization, and multi-hop reasoning, ideal for analyzing lengthy documents and conversations.

Agentic Function Calling & JSON Output

Seamlessly integrates with tool-using AI agents, offering native function call support, structured output, and smooth workflow orchestration.

Easy Customization

Offers both base and instruction-tuned checkpoints, making it simple to fine-tune for custom business, medical, legal, or research domains.

Use Cases of Mistral Small 3.1

Enables fast, natural virtual assistants for support desks, personal organizers, and on-website bots in any language.

Perfect for local deployments, such as sensitive document QA, mobile medical or legal apps, and secure enterprise environments.

Automates image-based tasks: photo OCR, document verification, visual inspection, quality control, and even basic object detection.

Power tools and chains like LangChain. Outputs structured JSON and invokes functions as an agent’s “brain” in automation or research pipelines.

Deployed for finance, healthcare, compliance, content moderation, and multilingual support, all with flexible security and rapid response.

Mistral Small 3.1

vs

Other Leading Models

Feature	Mistral Small 3.1	Gemma 3	GPT-4o Mini	Claude 3.7
Parameters	24B	4–27B	Undisclosed	~25B
Speed (tokens/s)	150	~85	~85	~80
Multimodal	Text, image	Text, image (some)	Text, image	Text, image
Context Window	128,000	128,000	128,000	128,000
License	Apache 2.0 (open)	Proprietary/open	Proprietary	Proprietary
Hardware	Desktop/edge-capable	Cloud/edge	Cloud	Cloud