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Mistral Small 3.1

Mistral Small 3.1 delivers fast, multimodal text and image generation capabilities for developers building lightweight, cost-sensitive AI applications.

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Mistral Small 3.1mistral.ai
Mistral Small 3.1 screenshot
Mistral Small 3.1mistral.ai

›What is Mistral Small 3.1?

Mistral Small 3.1 is an open-source generative AI model for instruction following, conversational assistance, image understanding, multilingual tasks, and function calling. It supports context windows up to 128k tokens and can run on a single RTX 4090 or a Mac with 32GB of RAM. Mistral reports inference speeds of up to 150 tokens per second.

›What are the pros and cons of Mistral Small 3.1?

Strengths

Combines text and image understanding in a lightweight model
Can run locally on commonly available high-end consumer hardware
Supports a 128k-token context window
Offers reported inference speeds of up to 150 tokens per second
Uses the Apache 2.0 license

Trade-offs

Complex reasoning, hard coding, and nuanced writing are weaker than simpler tasks
Multi-step logic and deep context retention are not reliable use cases
Local deployment requires hardware such as an RTX 4090 or a Mac with 32GB RAM

›What are Mistral Small 3.1’s key features?

Processes text and image inputs for multimodal applications
Supports context windows of up to 128k tokens
Handles instruction following, conversation, and function calling
Runs locally on a single RTX 4090 or a Mac with 32GB RAM
Released under the Apache 2.0 license
Supports multilingual tasks

›What are the best use cases for Mistral Small 3.1?

Classifying and tagging large volumes of documents
Generating image descriptions and handling lightweight vision tasks
Summarising text frequently in cost-sensitive products
Building conversational assistants with function calling
Processing long documents and other extended-context inputs

›What is the pricing for Mistral Small 3.1?

Free

›Who is Mistral Small 3.1 best for?

developersA fit for developers who need a locally runnable model for multimodal, conversational, or function-calling applications.
small teamSmall teams can use it for high-volume classification, tagging, summarisation, and lightweight image processing.
enterpriseEnterprise teams can use the model as a foundation for consumer or business applications where local deployment and an Apache 2.0 license matter.
Not for
  • Teams that need dependable multi-step reasoning, advanced coding, or nuanced writing should look beyond this model.
  • Buyers seeking a hosted assistant with a clearly published model-specific subscription tier may prefer a different product.

›What’s new with Mistral Small 3.1?

  • Mistral announced Small 3.1 with improved text performance, multimodal understanding, and a 128k context windowMarch 2025 · source

›What are the best Mistral Small 3.1 alternatives?

›Where can I try Mistral Small 3.1?

Open mistral.ai →