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Mistral NeMo

Mistral × NVIDIA 12B open-weight model — 128k context, Tekken tokenizer, FP8 inference, Apache 2.0

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freemiumDR 86Open weights under Apache 2.0 — free to download and self-host from Hugging Face. Available via Mistral La Plateforme API (model ID: open-mistral-nemo-2407) at pay-per-token pricing. Also available as an NVIDIA NIM microservice from ai.nvidia.com.View full pricing →

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https://mistral.ai/news/mistral-nemo

About Mistral NeMo

Mistral NeMo is a 12B open-weight language model released July 18, 2024, developed in collaboration with NVIDIA. It offers a 128k-token context window — the largest in the 12B class at release — and is trained with quantization awareness for lossless FP8 inference. NeMo introduces the Tekken tokenizer (based on Tiktoken, trained on 100+ languages), which compresses source code ~30% more efficiently than previous Mistral models and is 2–3× more efficient on Korean and Arabic than older SentencePiece models. Licensed under Apache 2.0, the model is available as base and instruction-tuned weights on Hugging Face, via the Mistral API (model ID: open-mistral-nemo-2407), and as an NVIDIA NIM inference microservice. It is a drop-in replacement for Mistral 7B with meaningfully better instruction-following, reasoning, and coding accuracy.

Key Features

128k-token context window — largest in the 12B class at release, handles long documents and codebases
Apache 2.0 license — commercial use, fine-tuning, redistribution, and self-hosting all permitted
Tekken tokenizer: 100+ language coverage, ~30% more efficient on source code than SentencePiece
FP8 inference via quantization-aware training — deploy on lower-cost hardware without accuracy loss
Strong multilingual support: English, French, German, Spanish, Italian, Portuguese, Chinese, Japanese, Korean, Arabic, Hindi
Available on Mistral API as open-mistral-nemo-2407 — drop-in for existing Mistral 7B API integrations
NVIDIA NIM packaging — ready-to-deploy inference microservice for NVIDIA GPU infrastructure
State-of-the-art reasoning, world knowledge, and coding accuracy in the 12B parameter class at release
Advanced instruction fine-tuning and alignment — outperforms Mistral 7B on multi-turn conversations and code generation

Mistral NeMo Pros & Cons

Pros

  • +128k context at 12B parameters was a class-leading combination at launch — handles full codebases and long documents
  • +Apache 2.0 license is the most permissive available — no restrictions on commercial use or fine-tuning
  • +Tekken tokenizer delivers meaningful efficiency gains on multilingual text and source code
  • +FP8 inference support allows cost-efficient deployment on NVIDIA hardware without performance degradation
  • +Available as NVIDIA NIM — easy enterprise packaging for teams already on NVIDIA infrastructure

⚠️ Cons

  • Superseded by Mistral Small 3 and 3.1 (released 2025) which significantly improve benchmark scores at similar or smaller scale
  • 12B parameters still requires a capable GPU to self-host at usable inference speeds
  • Tekken tokenizer is incompatible with older Mistral 7B tokenizer — migration required for existing pipelines
  • Benchmarks at release (2024) predate newer evaluation suites; direct comparisons to 2025/2026 models are harder

Who Is Mistral NeMo Best For?

👤Teams self-hosting a multilingual LLM that need Apache 2.0 licensing for commercial deployment
👤NVIDIA infrastructure users who want a ready-to-run NIM microservice without model serving setup
👤Developers migrating from Mistral 7B who need better instruction-following and 128k context
👤Fine-tuning projects targeting Arabic, Korean, or other non-Latin-script languages where Tekken's efficiency matters

Tags

mistralnvidiaopen-source12bllmapache-2.0multilingualfp8self-hostedhuggingface
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