Ratings and Reviews 1 Rating

Total
ease
features
design

Ratings and Reviews 1 Rating

Total
ease
features
design
support

Alternatives to Consider

  • Nexo Reviews & Ratings
    18,609 Ratings
    Company Website
  • GWI Reviews & Ratings
    201 Ratings
    Company Website
  • Checksum.ai Reviews & Ratings
    1 Rating
    Company Website
  • Declarative Webhooks Reviews & Ratings
    3 Ratings
    Company Website
  • LM-Kit.NET Reviews & Ratings
    29 Ratings
    Company Website
  • Zendesk Reviews & Ratings
    7,958 Ratings
    Company Website
  • Forethought Reviews & Ratings
    166 Ratings
    Company Website
  • Pensero Reviews & Ratings
    2 Ratings
    Company Website
  • Planview AdaptiveWork Reviews & Ratings
    714 Ratings
    Company Website
  • TIMi Reviews & Ratings
    68 Ratings
    Company Website

What is Laguna S 2.1?

Laguna S 2.1 represents a state-of-the-art open weight coding model that focuses on the completion of long-term projects and demonstrates exceptional reasoning abilities. With a Mixture-of-Experts architecture comprising 118 billion parameters, it engages 8 billion parameters per token and supports a context window of up to one million tokens in both cognitive and non-cognitive modes. The model’s optimized active size enables it to execute complex tasks on local systems while remaining competitive with much larger models across a variety of benchmarks, such as terminal usage, software development, codebase question answering, and tool application. Built for durability, Laguna S 2.1 is adept at addressing demanding challenges with an emphasis on thorough verification and a willingness to backtrack when necessary, rather than hastily claiming victory. In real-world scenarios, it has successfully engineered a browser rendering engine from the ground up, improved an agent harness for faster execution and lower memory requirements, and conducted comprehensive mathematical investigations using the tools available in its environment, showcasing its adaptability and proficiency. This remarkable array of capabilities positions Laguna S 2.1 as an invaluable asset for developers in search of cutting-edge solutions, making it a top choice in the ever-evolving landscape of coding models.

What is Claude Sonnet 5?

Claude Sonnet 5 is Anthropic's latest AI model engineered to deliver highly capable agentic performance for developers, enterprises, and organizations building next-generation AI applications. The model expands the capabilities of the Sonnet family by enabling autonomous planning, browser interaction, terminal usage, tool calling, coding assistance, and complex reasoning while remaining significantly more affordable than larger AI models. Anthropic designed Sonnet 5 to close much of the performance gap between previous Sonnet releases and the company's Opus models, offering major improvements in coding, knowledge work, reasoning, and long-running autonomous tasks. The model demonstrates stronger performance across numerous benchmark evaluations while also improving safety through lower hallucination rates, reduced sycophancy, improved refusal of malicious requests, and greater resilience against prompt injection attacks. Anthropic notes that Sonnet 5 also has substantially lower cybersecurity capabilities than its most advanced Opus models, reducing certain categories of misuse risk while still supporting legitimate development work. Developers can access Sonnet 5 through every Claude subscription tier, Claude Code, and the Claude API using introductory token pricing before standard pricing takes effect. The API allows organizations to integrate Sonnet 5 into production software while selecting different effort levels to optimize cost, latency, and capability for individual workloads. Anthropic also increased platform rate limits to support the higher token usage associated with advanced agentic workflows. Safety safeguards for cybersecurity-related requests are enabled by default, reflecting the model's improved autonomous capabilities while maintaining appropriate protections.

Media

Media

Integrations Supported

Claude Code
Bash
Claude
Claude Computer Use
Claude Cowork
Claude Max
Go
Hugging Face
IntelliJ IDEA
Java
Kotlin
Ollama
OpenCode
OpenRouter
Poolside
Roo Code
Ruby
Rust
Swift
Viktor

Integrations Supported

Claude Code
Bash
Claude
Claude Computer Use
Claude Cowork
Claude Max
Go
Hugging Face
IntelliJ IDEA
Java
Kotlin
Ollama
OpenCode
OpenRouter
Poolside
Roo Code
Ruby
Rust
Swift
Viktor

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

$2 per 1M tokens (input)
$2 per million input tokens and $10 per million output tokens
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Poolside

Date Founded

2023

Company Location

United States

Company Website

poolside.ai/blog/introducing-laguna-s-2-1

Company Facts

Organization Name

Anthropic

Date Founded

2021

Company Location

United States

Company Website

claude.ai

Categories and Features

Popular Alternatives

Claude Opus 5 Reviews & Ratings

Claude Opus 5

Anthropic

Popular Alternatives

Grok 4.6 Reviews & Ratings

Grok 4.6

SpaceXAI
Claude Fable 5 Reviews & Ratings

Claude Fable 5

Anthropic
Claude Opus 5 Reviews & Ratings

Claude Opus 5

Anthropic
GLM-5.2 Reviews & Ratings

GLM-5.2

Zhipu AI
Claude Fable 5 Reviews & Ratings

Claude Fable 5

Anthropic
Laguna XS 2.1 Reviews & Ratings

Laguna XS 2.1

Poolside