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Description

Claude Fable 5.1 is a frontier AI model from Anthropic built for demanding coding, research, knowledge work, and autonomous multi-step workflows. It delivers higher performance than Claude Fable 5 across benchmarks covering scientific research, terminal-based coding, business automation, computer use, multidisciplinary reasoning, and agentic software development. The model is particularly suited to long-running tasks where it must investigate problems, use tools, maintain context, verify intermediate work, and continue operating with limited supervision. Early evaluations highlighted improvements in areas such as root-cause analysis, code review, browser automation, financial research, document drafting, slide creation, and complex engineering workflows. Fable 5.1 also introduces lower cache-read pricing, which Anthropic says can reduce costs by roughly 25% for typical workloads and considerably more for context-heavy agentic tasks. Enterprise customers can use new privacy-oriented safeguard options that are designed to support zero-data-retention-style deployments while still maintaining misuse protections. Cybersecurity safeguards have also been refined to intervene less often on legitimate defensive work while continuing to restrict higher-risk activities such as exploit generation. Anthropic offers the model through Claude Code, Claude Cowork, Claude.ai, the Claude API, and supported cloud platforms. Claude Fable 5.1 is intended for developers, researchers, enterprises, and professional teams that need strong reasoning and coding performance without relying on Anthropic’s most restricted-access model tier.

Description

Claude Opus 5.2 is an anticipated next update to Anthropic’s Opus model family, designed to extend the capabilities introduced with Claude Opus 5. Anthropic has not yet formally released Opus 5.2 or confirmed its specifications, pricing, benchmarks, model identifier, or availability. Based on Opus 5, the model would likely focus on software engineering, long-running agents, computer use, professional analysis, scientific research, and other complex reasoning tasks. Coding improvements could include more reliable repository analysis, feature development, debugging, test generation, code review, and verification across larger multi-step assignments. Agentic enhancements would likely target better planning, tool selection, context management, and persistence when working through lengthy workflows that require repeated actions or external tools. Anthropic has emphasized judgment and self-verification in Opus 5, including checking assumptions and validating work before completing tasks, making those capabilities logical areas for further refinement. A 5.2 release could also improve efficiency by reducing unnecessary reasoning steps, tool calls, and token usage while maintaining performance on difficult assignments. Opus 5 currently offers multiple effort settings and a Fast mode, providing a foundation for balancing intelligence, latency, and cost that an incremental release could continue to develop. Claude Opus 5.2 would be suited to users who need advanced AI for coding, research, business analysis, autonomous agents, and other professional workflows requiring sustained reasoning and reliable execution.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

No images available

Integrations

AgentSea
Amp
Bash
Brokk
C
C#
CSS
CSS
Claude Desktop
Devin Desktop
Elixir
Gemini Enterprise Agent Platform
GitHub
IntelliJ IDEA
PrivatClaw
Shiori
Skymel
StackAI
Verdent
Zo Computer

Integrations

AgentSea
Amp
Bash
Brokk
C
C#
CSS
CSS
Claude Desktop
Devin Desktop
Elixir
Gemini Enterprise Agent Platform
GitHub
IntelliJ IDEA
PrivatClaw
Shiori
Skymel
StackAI
Verdent
Zo Computer

Pricing Details

$10 per 1M tokens (input)
$10 per million input tokens and $50 per million output tokens
Free Trial
Free Version

Pricing Details

$5 per 1M tokens (input)
$5 per million input tokens and $25 per million output tokens
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

Anthropic

Founded

2021

Country

United States

Website

claude.ai

Vendor Details

Company Name

Anthropic

Founded

2021

Country

United States

Website

claude.ai

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