Grok 3 Think

Grok 3 Think

SpaceXAI
Laguna S 2.1

Laguna S 2.1

Poolside
+
+

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About

Grok 3 Think, the latest iteration of xAI's AI model, is designed to enhance reasoning capabilities using advanced reinforcement learning. It can think through complex problems for extended periods, from seconds to minutes, improving its answers by backtracking, exploring alternatives, and refining its approach. This model, trained on an unprecedented scale, delivers remarkable performance in tasks such as mathematics, coding, and world knowledge, showing impressive results in competitions like the American Invitational Mathematics Examination. Grok 3 Think not only provides accurate solutions but also offers transparency by allowing users to inspect the reasoning behind its decisions, setting a new standard for AI problem-solving.

About

Laguna S 2.1 is an open weight agentic coding model designed to pursue longer-horizon work and make effective use of reasoning. It uses a 118-billion-parameter Mixture-of-Experts architecture with 8 billion active parameters per token and supports a context window of up to one million tokens in both thinking and no-thinking modes. Its compact active size makes it suitable for complex work on local machines while remaining competitive with models many times larger on terminal, software-engineering, codebase-question-answering, and tool-use benchmarks. Laguna S 2.1 is built to keep working through difficult tasks with greater persistence, verification, and willingness to backtrack instead of declaring success too early. In demonstrated runs, it built and validated a browser rendering engine from an empty folder, optimized an agent harness for faster execution and substantially lower memory allocation, and completed extended mathematical research using the tools in its environment.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Users interested in a powerful AI reasoning model

Audience

Private AI infrastructure teams that need a compact, self-hostable model for long-running coding and software-engineering agents

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

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

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 5.0 / 5

Pros & Cons from Real Users

Pros

  • Grok 3 Think has been a game-changer for my workflow. The AI’s ability to generate creative and thoughtful ideas is impressive. It goes beyond simply providing information and helps me explore new concepts in a way that feels natural and innovative. The contextual understanding is spot on, making sure the suggestions align with my needs and goals. I also appreciate how quickly it adapts to different types of tasks, whether I'm brainstorming, problem-solving, or refining strategies. It feels like having a versatile collaborator always ready to assist.

Cons

  • One area where Grok 3 Think could improve is in handling highly complex tasks that require very specific expertise. Sometimes, it gives more general suggestions when I need something more tailored. Additionally, the AI can occasionally provide answers that feel slightly disconnected from the broader context, especially in niche areas. While the interface is user-friendly, I would love to see more customization options for those who want deeper control over how the tool generates ideas.

Pros & Cons from Real Users

Pros

  • Laguna S 2.1 looks awesome from a developer’s point of view because it is built specifically for agentic coding, not just general chatbot tasks. I like that it is open-weight, relatively compact for its capability, and designed for the kind of workflows where an AI needs to inspect a repo, reason through changes, edit code, and keep moving across multiple steps. The 1M-token context window is a huge plus. For real engineering work, context is everything: source files, docs, logs, tests, tickets, configs, and previous attempts all matter. Having a coding model that can handle that much context makes it much more useful for serious repo-level work.

Cons

  • It is still new, so I would want to test it heavily before trusting it with production code. Coding benchmarks are useful, but the real test is messy repos, weird dependencies, flaky tests, security-sensitive changes, and long-running agent loops.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

SpaceXAI
Founded: 2023
United States
grok.com

Company Information

Poolside
Founded: 2023
United States
poolside.ai/blog/introducing-laguna-s-2-1

Alternatives

Alternatives

Claude Fable 5

Claude Fable 5

Anthropic
Claude Opus 5

Claude Opus 5

Anthropic
Laguna XS 2.1

Laguna XS 2.1

Poolside
LongCat-2.0

LongCat-2.0

LongCat

Categories

Categories

Integrations

Agent Client Protocol (ACP)
Claude Code
Cline
Grok
Grok 3
Grok 3 DeepSearch
Grok 3 mini
Hugging Face
IntelliJ IDEA
Kilo Code
Nous Portal
OpenAI Codex
OpenClaw
OpenRouter
Poolside
Roo Code
SuperGrok
Visual Studio
X (Twitter)
Zed

Integrations

Agent Client Protocol (ACP)
Claude Code
Cline
Grok
Grok 3
Grok 3 DeepSearch
Grok 3 mini
Hugging Face
IntelliJ IDEA
Kilo Code
Nous Portal
OpenAI Codex
OpenClaw
OpenRouter
Poolside
Roo Code
SuperGrok
Visual Studio
X (Twitter)
Zed
Claim Grok 3 Think and update features and information
Claim Grok 3 Think and update features and information
Claim Laguna S 2.1 and update features and information
Claim Laguna S 2.1 and update features and information