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Average Ratings 0 Ratings

Total
ease
features
design
support

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Write a Review

Description

GPT-5.4 nano is a compact and cost-efficient AI model designed for handling lightweight, high-frequency tasks at scale. It is optimized for operations such as classification, data extraction, ranking, and simple coding assistance. The model delivers fast response times, making it suitable for applications where low latency is critical. Compared to earlier nano models, GPT-5.4 nano offers improved performance while maintaining minimal computational cost. It supports key features such as tool usage and structured output generation, allowing it to integrate easily into automated systems. The model is often used as a subagent within larger AI workflows, handling repetitive or supporting tasks efficiently. This approach allows more complex models to focus on higher-level reasoning and decision-making. GPT-5.4 nano is particularly useful in environments that require processing large volumes of requests quickly. Its efficiency makes it ideal for cost-sensitive applications and scalable deployments. Overall, it provides a reliable and fast solution for simple AI-driven tasks.

Description

Leanstral is an open-source AI code agent created by Mistral AI to support formal software verification and mathematical proof development using Lean 4. The system is designed to generate code while simultaneously validating its correctness through formal proof mechanisms. Unlike many AI coding assistants that rely on general-purpose language models, Leanstral is specifically optimized for proof engineering tasks within structured repositories. The model operates using a sparse architecture with efficient active parameters, allowing it to deliver strong performance without requiring extremely large computational resources. Leanstral integrates closely with the Lean proof assistant, which acts as a strict verifier for mathematical reasoning and software specifications. Developers and researchers can use the model to build verified implementations, reducing the need for time-consuming manual debugging and validation. The project is released under the Apache 2.0 open-source license, ensuring accessibility and flexibility for customization. Leanstral also supports integration with model communication protocols, enabling compatibility with development tools and extensions. Benchmarks show that the system can compete with larger closed-source coding agents while maintaining significantly lower operational costs. By combining automated reasoning, code generation, and formal proof verification, Leanstral introduces a new approach to building trustworthy AI-assisted software systems.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

Agentforce Vibes Yes 
Augment Code Yes 
Claw Code Yes 
Devin Yes 
FastRouter Yes 
GPT-5.1-Codex-Max Yes 
GPT-5.2-Codex Yes 
GPT-5.4 Yes 
GPT-5.4 mini Yes 
GPT-5.6 Sol Ultrafast Yes 
GPT-6.1 Astra Yes 
Kineto by JetBrains Yes 
Microsoft 365 Copilot Chat Yes 
Microsoft Teams Yes 
Mistral AI No 
Mistral Vibe No 
Node.js Yes 
OpenAI Bel Yes 
TranslateAI Yes 

Integrations

Agentforce Vibes No 
Augment Code No 
Claw Code No 
Devin No 
FastRouter No 
GPT-5.1-Codex-Max No 
GPT-5.2-Codex No 
GPT-5.4 No 
GPT-5.4 mini No 
GPT-5.6 Sol Ultrafast No 
GPT-6.1 Astra No 
Kineto by JetBrains No 
Microsoft 365 Copilot Chat No 
Microsoft Teams No 
Mistral AI Yes 
Mistral Vibe Yes 
Node.js No 
OpenAI Bel No 
TranslateAI No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

Free
Open source
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based No 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com

Vendor Details

Company Name

Mistral AI

Founded

2023

Country

France

Website

mistral.ai

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