Grok 4.5

Grok 4.5

SpaceXSI
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About

Campfire SMS is a hosted, two-way SMS bridge for developers who use AI coding agents. It connects an agent running in a local session—or a configured cloud agent—to a verified phone number, sending task updates and questions to the user’s regular text inbox and passing replies back to the agent. The service supports MCP-compatible clients, with setup instructions for Codex, Claude Code, Cursor, Grok Build, OpenCode, and Grok Bot. Local agents require the computer and session to remain active; configured Grok Bot routines can run in the cloud while the computer is off. Users can receive build or test completion notices, respond to agent questions, and guide ongoing coding work away from the desk. SMS delivery uses a hosted account and message credits; the agent’s own model, tools, and task execution remain in the agent environment.

About

Grok 4.5 is SpaceXSI’s advanced AI model built for coding, agentic tasks, engineering work, and knowledge-intensive productivity. The model is trained on coding, science, engineering, and math data, with reinforcement learning focused on multi-step software engineering and technical workflows. It is designed to handle real-world development tasks such as debugging, Rust and C/C++ work, terminal tasks, long-running agentic rollouts, and end-to-end app creation from a single prompt. Grok 4.5 is also built for fast serving, token efficiency, and lower-cost execution, with pricing based on input and output token usage. Beyond coding, the model supports business productivity tasks in Grok Build, including Excel modeling, PowerPoint diagram creation, Word writing, and research-assisted office workflows. Available through Grok Build, Cursor, and the SpaceXSI API console, Grok 4.5 gives developers and teams a high-performance model for building software, automating work, and more.

Platforms Supported

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

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

Audience

Software developers and teams who run AI coding agents on long tasks

Audience

Developers, engineering teams, AI builders, technical professionals, business users, and organizations that need a fast, capable AI model for coding, agentic workflows, software development, research, document creation, spreadsheets, and presentations

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$5 one-time
$8 per month includes 500 messages; renews automatically and unused monthly messages do not roll over. A one-time pack starts at $5 for 200 messages; purchased credits do not expire. Each sent or received text counts as one message. 40 introductory messages are available after phone verification without a credit card. Carrier message and data rates may apply.
Free Version Not Supported
Free Trial Supported

Pricing

$2 per million input tokens
$2 per million input tokens and $6 per million output tokens
Free Version Not Supported
Free Trial Not Supported

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

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Grok 4.5 is really impressive from the perspective of a developer and AI agent builder. It feels built for the stuff I actually care about: coding, tool use, agentic workflows, debugging, refactoring, and getting real work done instead of just chatting. I especially like that it seems focused on speed and cost efficiency, because those two things matter a lot when you are running agents over and over in production-like workflows.

Cons

  • It still feels early, and I would want to test it hard before trusting it as the backbone of serious production agents. Benchmarks and launch claims are useful, but they do not always translate perfectly into messy real-world codebases, weird edge cases, long-running tasks, and tool-heavy workflows. I also want to see how reliable it is across longer sessions, especially when an agent has to stay on track through multiple steps without drifting.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Campfire SMS
Founded: 2026
United States
campfiresms.com

Company Information

SpaceXSI
Founded: 2023
United States
grok.com

Alternatives

Alternatives

Orca

Orca

Stably AI
Grok 4.8

Grok 4.8

SpaceXSI
Grok 4.7

Grok 4.7

SpaceXSI

Categories

AI Coding Agents Supported

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Integrations

Cursor Supported
Grok Build Supported
Bash Not Supported
C++ Not Supported
Dart Not Supported
Go Not Supported
Grok Not Supported
Grok Bot Not Supported
HTML Not Supported
Java Not Supported
Kotlin Not Supported
Kubernetes Not Supported
Microsoft Excel Not Supported
Model Context Protocol (MCP) Supported
OpenClaw Not Supported
Python Not Supported
R Not Supported
SQL Not Supported
Swift Not Supported
YAML Not Supported

Integrations

Cursor Supported
Grok Build Supported
Bash Supported
C++ Supported
Dart Supported
Go Supported
Grok Supported
Grok Bot Supported
HTML Supported
Java Supported
Kotlin Supported
Kubernetes Supported
Microsoft Excel Supported
Model Context Protocol (MCP) Not Supported
OpenClaw Supported
Python Supported
R Supported
SQL Supported
Swift Supported
YAML Supported
Claim Campfire SMS and update features and information
Claim Campfire SMS and update features and information
Claim Grok 4.5 and update features and information
Claim Grok 4.5 and update features and information