Composer 2.5Cursor
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Grok 4.5xAI
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Related Products
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About
Composer 2.5 is the latest AI coding model released by Cursor, offering major improvements in intelligence, collaboration, and long-task performance compared to Composer 2. The model is designed to follow complex instructions more accurately while providing a smoother and more natural user experience during coding sessions. Cursor enhanced Composer 2.5 through larger-scale training, more advanced reinforcement learning environments, and improved behavioral tuning focused on communication and effort calibration. The model uses targeted reinforcement learning with textual feedback to correct specific mistakes during training, helping it avoid issues like invalid tool calls or poor coding behavior. Composer 2.5 was also trained using significantly more synthetic coding tasks, enabling it to handle increasingly difficult programming challenges and real-world development scenarios.
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About
Grok 4.5 is a next-generation xAI model reportedly entering private beta testing for select internal users and organizations. The model is positioned as a major step forward from earlier Grok models, with stronger performance for reasoning, coding, analysis, and general AI assistance. Early reporting describes Grok 4.5 as being tested inside SpaceX and Tesla before broader availability. The model is expected to build on Grok’s existing strengths in real-time information access, tool use, conversational AI, and developer workflows. Grok 4.5 is not yet broadly documented in official xAI model documentation, so public details remain limited. Grok 4.5 is best understood as an upcoming frontier model aimed at more capable reasoning, stronger productivity support, and higher-end AI workflows.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Software developers, engineering teams, AI researchers, and enterprise organizations looking for advanced AI-assisted coding and large-scale software development solutions
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Audience
Grok 4.5 is best suited for developers, technical teams, AI power users, researchers, enterprises, SpaceX or Tesla-style internal teams, xAI ecosystem users, and organizations that need advanced AI reasoning, coding support, research assistance, real-time information access, tool use, productivity automation, and frontier-model experimentation
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
$0.50/M input
Free Version
Free Trial
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Pricing
No information available.
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationCursor
Founded: 2022
United States
cursor.com
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Company InformationxAI
Founded: 2023
United States
grok.com
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