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What is Grok 4.1 Fast?

Grok 4.1 Fast is xAI’s state-of-the-art tool-calling model built to meet the needs of modern enterprise agents that require long-context reasoning, fast inference, and reliable real-world performance. It supports an expansive 2-million-token context, allowing it to maintain coherence during extended conversations, research tasks, or multi-step workflows without losing accuracy. xAI trained the model using real-world simulated environments and broad tool exposure, resulting in extremely strong benchmark performance across telecom, customer support, and autonomy-driven evaluations. When integrated with the Agent Tools API, Grok can combine web search, X search, document retrieval, and code execution to produce final answers grounded in real-time data. The model automatically determines when to call tools, how to plan tasks, and which steps to execute, making it capable of acting as a fully autonomous agent. Its tool-calling precision has been validated through multiple independent evaluations, including the Berkeley Function Calling v4 benchmark. Long-horizon reinforcement learning allows it to maintain performance even across millions of tokens, which is a major improvement over previous generations. These strengths make Grok 4.1 Fast especially valuable for enterprises that rely on automation, knowledge retrieval, or multi-step reasoning. Its low operational cost and strong factual correctness give developers a practical way to deploy high-performance agents at scale. With robust documentation, free introductory access, and native integration with the X ecosystem, Grok 4.1 Fast enables a new class of powerful AI-driven applications.

What is GPT-6 Astra?

GPT-6 Astra is OpenAI’s advanced frontier model for computer use, coding, browsing, scientific research, cybersecurity, professional knowledge work, and long-running agentic tasks. It is designed to combine high-level reasoning with the ability to directly operate software and tools rather than only generating text responses. Astra can navigate websites, complete forms, update business systems, organize calendars, conduct research, analyze data, generate plots, test applications, and troubleshoot problems that appear on screen. For professional users, the model can create documents, spreadsheets, presentations, analyses, websites, and other artifacts while following existing templates, formatting requirements, and organizational styles. Its software engineering capabilities include codebase analysis, implementation, debugging, verification, browser testing, system configuration, and other terminal-based development workflows. In Codex, Astra can preserve notes across context windows and search earlier requirements, test results, messages, and tool outputs during lengthy development sessions. The model also combines scientific reasoning with computer use so researchers can work with specialized applications, inspect data, explore results, and assist with computational research processes. OpenAI reports substantial advances in Astra’s cybersecurity capabilities, while the production model applies safeguards to restrict higher-risk activities such as advanced exploit creation. Alignment improvements focus on interpreting user intent, respecting authorization boundaries, avoiding attempts to circumvent system restrictions, and communicating more accurately about what the model can and cannot do. GPT-6 Astra supports enterprise-oriented deployment features including eligible Zero Data Retention API configurations and is available through ChatGPT, the OpenAI API, Amazon Web Services, and Amazon Bedrock.

Media

Media

Integrations Supported

C
C++
Cursor
Doraverse
EaseMate AI
FastRouter
Go
HTML
JavaScript
Kotlin
LaunchLemonade
Microsoft Foundry Models
OpenClaw
OpenRouter
PHP
Python
R
Ruby
Scala
TypeScript

Integrations Supported

C
C++
Cursor
Doraverse
EaseMate AI
FastRouter
Go
HTML
JavaScript
Kotlin
LaunchLemonade
Microsoft Foundry Models
OpenClaw
OpenRouter
PHP
Python
R
Ruby
Scala
TypeScript

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

$10 per 1M tokens (input)
Input: $10 per 1 million tokens
Output: $50 per 1 million tokens

Supported Platforms

SaaS
Android
iPhone
iPad

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

SpaceXAI

Date Founded

2023

Company Location

United States

Company Website

grok.com

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com

Categories and Features

AI Coding Models

Not specified

AI Models

Not specified

AI Reasoning Models

Not specified

Foundation Models

Not specified

Large Language Models

Not specified

Multimodal Models

Not specified

Categories and Features

AI Coding Models

Not specified

AI Models

Not specified

AI Reasoning Models

Not specified

AI Vision Models

Not specified

Foundation Models

Not specified

Large Language Models

Not specified

Multimodal Models

Not specified

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