Codestral Mamba

Codestral Mamba

Mistral AI
Codestral Mamba Nemotron 3 Ultra

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Codestral Mamba:

About

As a tribute to Cleopatra, whose glorious destiny ended in tragic snake circumstances, we are proud to release Codestral Mamba, a Mamba2 language model specialized in code generation, available under an Apache 2.0 license. Codestral Mamba is another step in our effort to study and provide new architectures. It is available for free use, modification, and distribution, and we hope it will open new perspectives in architecture research. Mamba models offer the advantage of linear time inference and the theoretical ability to model sequences of infinite length. It allows users to engage with the model extensively with quick responses, irrespective of the input length. This efficiency is especially relevant for code productivity use cases, this is why we trained this model with advanced code and reasoning capabilities, enabling it to perform on par with SOTA transformer-based models.
Nemotron 3 Ultra:

About

Nemotron 3 Nano is a compact, open large language model in NVIDIA’s Nemotron 3 family, designed for efficient agentic reasoning, conversational AI, and coding tasks. It uses a hybrid Mixture-of-Experts Mamba-Transformer architecture that activates only a small subset of parameters per token, enabling low-latency inference while maintaining strong accuracy and reasoning performance. It has approximately 31.6 billion total parameters with around 3.2 billion active (3.6 billion including embeddings), allowing it to achieve higher accuracy than previous Nemotron 2 Nano while using less computation per forward pass. Nemotron 3 Nano supports long-context processing of up to one million tokens, enabling it to handle large documents, multi-step workflows, and extended reasoning chains in a single pass. It is designed for high-throughput, real-time execution, excelling in multi-turn conversations, tool calling, and agent-based workflows where tasks require planning, reasoning, and more.
Codestral Mamba:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Nemotron 3 Ultra:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Codestral Mamba:

Audience

Developers and anyone in search of an AI language model to generate code
Nemotron 3 Ultra:

Audience

AI developers and engineers requiring a tool to build agentic systems capable of long-context reasoning, coding, and real-time multi-step workflows
Codestral Mamba:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Nemotron 3 Ultra:

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported
Codestral Mamba:

API

Offers API Supported
Nemotron 3 Ultra:

API

Offers API Not Supported
Codestral Mamba:

Screenshots and Videos

Nemotron 3 Ultra:

Screenshots and Videos

Codestral Mamba:

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported
Nemotron 3 Ultra:

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported
Codestral Mamba:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Nemotron 3 Ultra:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Codestral Mamba:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Nemotron 3 Ultra:

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported
Codestral Mamba:

Company Information

Mistral AI
France
mistral.ai/news/codestral-mamba/
Nemotron 3 Ultra:

Company Information

NVIDIA
Founded: 1993
United States
research.nvidia.com/labs/nemotron/Nemotron-3/
Codestral Mamba:

Alternatives

Mistral Code

Mistral Code

Mistral AI
Nemotron 3 Ultra:

Alternatives

Claude Sonnet 5.5

Claude Sonnet 5.5

Anthropic
5.0 out of 5 stars
Codestral Mamba:
Nemotron 3 Ultra:
Claude Fable 5.1

Claude Fable 5.1

Anthropic
5.0 out of 5 stars
Codestral Mamba:
Falcon Mamba 7B

Falcon Mamba 7B

Technology Innovation Institute (TII)
Nemotron 3 Ultra:
Codestral Mamba:
Nemotron 3 Ultra:
Codestral Mamba:
Jamba

Jamba

AI21 Labs
Nemotron 3 Ultra:
Codestral Mamba:

Categories

AI Code Generators Supported
AI Coding Models Supported
AI Models Supported
Foundation Models Supported
Nemotron 3 Ultra:

Categories

Codestral Mamba:

Integrations

Arize Phoenix Supported
C++ Supported
CSS Supported
Expanse Supported
GaiaNet Supported
Go Supported
HTML Supported
HoneyHive Supported
Hugging Face Supported
Mathstral Supported
Melies Supported
Memo AI Supported
OpenLIT Supported
Overseer AI Supported
Pipeshift Supported
Rust Supported
Visual Basic Supported
WebLLM Supported
Yaseen AI Supported
promptmate.io Supported
Nemotron 3 Ultra:

Integrations

Arize Phoenix Not Supported
C++ Not Supported
CSS Not Supported
Expanse Not Supported
GaiaNet Not Supported
Go Not Supported
HTML Not Supported
HoneyHive Not Supported
Hugging Face Not Supported
Mathstral Not Supported
Melies Not Supported
Memo AI Not Supported
OpenLIT Not Supported
Overseer AI Not Supported
Pipeshift Not Supported
Rust Not Supported
Visual Basic Not Supported
WebLLM Not Supported
Yaseen AI Not Supported
promptmate.io Not Supported
Codestral Mamba:
Claim Codestral Mamba and update features and information
Claim Codestral Mamba and update features and information
Nemotron 3 Ultra:
Claim Nemotron 3 Ultra and update features and information
Claim Nemotron 3 Ultra and update features and information