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What is Leanstral 1.5?

Leanstral 1.5 is a model under the Apache-2.0 license, crafted for proficient proof engineering within Lean 4, with the goal of improving both the functionality and accessibility of formal verification. This model features a remarkable total of 119 billion parameters, of which 6 billion are actively utilized, representing a major leap in efficiency for tasks related to theorem proving, agent-based proof engineering, and practical code verification. The evolution of Leanstral 1.5 included an extensive three-phase training regimen, which encompassed mid-training, supervised fine-tuning, and reinforcement learning through CISPO. In a multiturn environment, the model is designed to accept a theorem statement, propose a proof, and iteratively adjust its strategy based on input from the Lean compiler until the proof compiles successfully or resources run out. Operating in the code agent framework, Leanstral acts similarly to a developer navigating through a file system, enabling it to modify files, run bash commands, and engage with the Lean language server to track goals, errors, and type information in real time. This cutting-edge methodology not only simplifies the proof engineering workflow but also significantly enriches the overall user experience in formal verification tasks, making the process both more efficient and user-friendly. Furthermore, the integration of these capabilities positions Leanstral 1.5 as a transformative tool in the landscape of formal verification.

What is Sparrow?

Sparrow functions as a research prototype and a demonstration initiative designed to improve the training of dialogue agents, making them more efficient, precise, and safe. By embedding these qualities within a comprehensive dialogue framework, Sparrow enhances our understanding of how to develop agents that are not only safer but also more advantageous, with the overarching goal of aiding in the pursuit of more secure and effective artificial general intelligence (AGI) in the future. At this moment, Sparrow is not accessible to the public. The endeavor of training conversational AI introduces distinct challenges, especially because of the intricacies involved in determining what defines a successful conversation. To address this dilemma, we employ a reinforcement learning (RL) strategy that integrates feedback from users, allowing us to gauge their preferences concerning the effectiveness of various responses. By offering participants a range of model-generated replies to the same queries, we collect their insights on which answers they find most satisfying, thereby refining our training methodology. This continuous feedback loop is essential for boosting the capability and dependability of dialogue agents, ultimately leading to more robust interactions in future applications.

Media

Media

Integrations Supported

Additional information not provided

Integrations Supported

Additional information not provided

API Availability

Has API

API Availability

Pricing Information

Free
Free Version

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Mistral AI

Date Founded

2023

Company Location

France

Company Website

mistral.ai/news/leanstral-1-5/

Company Facts

Organization Name

DeepMind

Date Founded

2010

Company Location

United States

Company Website

deepmind.com

Categories and Features

AI Models

Not specified

Categories and Features

AI Models

Not specified

AI Text Generators

Not specified

AI Writing

Not specified

Chatbot

Not specified

Generative AI

Not specified

Large Language Models

Not specified

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