Introducing Mistral Large 3 in Microsoft Foundry: Open, capable, and ready for production workloads

Discover Mistral Large 3 in Azure—an open-source, long-context, multimodal AI designed for dependable enterprise use.

Nowadays, businesses are turning to open-weight models due to their transparency, flexibility, and ability to function across different deployment scenarios. With the increasing number of open models, the expectation for reliability, quality in following instructions, multimodal reasoning, and performance over long contexts is also rising.

We’re thrilled to share that Mistral Large 3 is now available in Azure, bringing a robust open-weight, Apache-licensed model to the Microsoft Cloud platform.

Mistral Large 3 offers top-notch capabilities paired with the freedom of open-source. This makes it an ideal choice for businesses developing production assistants, applications that enhance retrieval, agentic systems, and multimodal workflows.

Enterprise-grade open models

Mistral Large 3 ranks among the top-tier open models available globally, alongside DeepSeek and the GPT OSS family. It’s optimised not just for chasing benchmarks in abstract mathematical challenges but also for catering to what businesses truly need in practical applications:

• Highly dependable instruction-following
• Strong comprehension and retention of long contexts
• Robust multimodal reasoning
• Stable, predictable performance in dialogue and applied reasoning

According to Mistral, this model shows fewer failures and more stability than many others, especially in multi-turn conversations and with complex, lengthy inputs. It’s built for production use, not just as a proof of concept.

Mistral 3 is tailored for real-world applications

Reliable instruction adherence

Many open models perform well in tests but struggle with clarity in real workflows. Mistral Large 3 stands out by showing:

• Accurate response to task instructions
• Solid grounding in domain knowledge
• Minimal hallucination rates
• Consistent formatting in outputs

This reliability makes it especially effective for automated processes and business logic integration, where dependability is critical.

Outstanding long-context handling

Mistral Large 3 supports extended context, allowing it to process, retain, and reason over long documents, complex sequences, and lengthy dialogues with impressive stability.

Businesses can utilise it for:

• Retrieval-augmented generation
• Document comprehension
• Multi-turn conversation systems
• Long-form summarisation and information synthesis

Its ability to maintain coherence throughout lengthy sessions helps reduce errors and ensures more reliable outcomes.

Multimodal and applied reasoning abilities

As businesses adopt more multimodal workflows—interpreting text, images, diagrams, and structured data—Mistral Large 3 excels at understanding across different data modes.

It shines in areas like:

• Visual question answering
• Interpretation of diagrams or charts
• Multimodal retrieval and grounding
• Combined reasoning across text and image inputs

This stability makes it ideal for tasks that require precise multimodal reasoning.

Completely open and Apache 2.0 licensed

Mistral Large 3 stands out as the most powerful fully open model developed outside China, offering something rare:

Frontier-level capability, Apache 2.0 licensing, reproducible results, and availability worldwide without regional restrictions.

Organisations can:

• Integrate the model using Microsoft Foundry
• Export weights for hybrid or on-premises deployment (subject to Mistral’s licensing terms)
• Run it in their own VPC, edge, or dedicated cloud environments
• Freely fine-tune or customise
• Use it for commercial applications without needing to provide attribution

This unique combination of capabilities and openness is particularly attractive for global enterprises looking for flexibility, transparency, and independence from vendors.

Why choose Mistral Large 3 in Azure?

Foundry offers a comprehensive workspace for developing, evaluating, and deploying models, complete with unified governance, visibility, and agent-friendly tools.

With Mistral Large 3 available in Foundry, customers can enjoy:

1. Easy access to top-performing models

Get quick and secure access to Mistral Large 3 and Mistral Document AI as first-party models in Foundry, along with other open and commercial frontier models.

2. Comprehensive evaluation and visibility

Foundry provides complete evaluations, routing, and visibility, allowing businesses to assess Mistral Large 3 across cost, latency, throughput, and quality while monitoring performance through unified dashboards and SDKs. Workloads are efficiently organised with no extra integration effort.

3. Safety and governance for enterprises

Foundry implements Responsible AI safeguards, content filters, and audit capabilities, ensuring secure and compliant deployments.

4. Agent-first capabilities

Mistral Large 3 supports tool calling, creating agentic systems capable of taking action, automating workflows, and connecting with enterprise data and APIs. This foundation is valuable for customer service bots, research agents, automation processes, and enterprise assistants.

Unlocking new possibilities across industries

• Corporate knowledge assistants: Long-context understanding facilitates deep, informed discussions within corporate knowledge bases.

• Document intelligence and retrieval-enhanced workflows: Stable reasoning and consistent formatting make it perfect for summarising, extracting, and synthesising information from multiple documents.

• Developer assistants and automation: Reliable instruction following supports code refactoring, test generation, and workflow automation.

• Multimodal customer interactions: Integrating image and text understanding enhances digital assistant experiences and customer support services.

Pricing

The future of open models on Azure

With the introduction of Mistral Large 3, Foundry solidifies its status as the cloud platform boasting the widest array of open and frontier models, all unified within a single, enterprise-ready ecosystem.

As organisations increasingly seek transparent, flexible, and globally accessible intelligence, Mistral Large 3 sets a new standard for what a production-ready open model can achieve.