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Mistral Large 3 675B Instruct 2512

Ready
model path:accounts/fireworks/models/mistral-large-3-fp8

Mistral Large 3 is a state-of-the-art general-purpose Multimodal granular Mixture-of-Experts model with 41B active parameters and 675B total parameters trained from the ground up with 3000 H200s. This model is the instruct post-trained version in FP8, fine-tuned for instruction tasks, making it ideal for chat, agentic and instruction based use cases. Designed for reliability and long-context comprehension - It is engineered for production-grade assistants, retrieval-augmented systems, scientific workloads, and complex enterprise workflows.

Mistral Large 3 675B Instruct 2512 API Features

On-demand Deployment

Docs

On-demand deployments allow you to use Mistral Large 3 675B Instruct 2512 on dedicated GPUs with Fireworks' high-performance serving stack with high reliability and no rate limits.

Metadata

State
Ready
Created on
2 DEC, 2025
Kind
Base model
Provider
Mistral

Specifications

Calibrated
No
Mixture-of-Experts
Yes
Parameters
675B

Supporting Functionality

Fine-tuning
Not Supported
Serverless
Not Supported
Context Length
256k tokens
Function Calling
Supported
Embeddings
Not Supported
Rerankers
Not Supported
Supporting image input
Supported