AI Tools Review

Anthropic: Claude Opus 4.1

By Anthropic

Released: 2025-08-05

API
LLM
RAG
Anthropic
Paid
New

Anthropic Claude Opus 4 1, developed by Anthropic, features 200k-token context window. Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains in multi-file code refactoring, debugging precision, and detail-oriented reasoning. The model supports extended thinking up to 64K tokens and is optimised for tasks involving research, data analysis, and tool-assisted reasoning. Premium pricing at $15.0/1M tokens reflects its advanced capabilities.

Visit Anthropic: Claude Opus 4.1

AI-Powered

Leverages advanced AI technology to deliver cutting-edge capabilities and results.

Fast & Efficient

Optimized performance ensures quick results without compromising on quality.

Purpose-Built

Specifically designed for llms tasks and workflows.

Anthropic Model Timeline

Claude Opus 4.8

Long-context context

Anthropic: Claude Opus 4.5

200k tokens context

Anthropic: Claude Haiku 4.5

200k tokens context

Anthropic: Claude Sonnet 4.5

1,000k tokens context

Anthropic: Claude Opus 4.1Current

200k tokens context

Anthropic: Claude Opus 4

200k tokens context

Anthropic: Claude Sonnet 4

1,000k tokens context

Anthropic: Claude 3.7 Sonnet (thinking)

200k tokens context

Anthropic: Claude 3.7 Sonnet

200k tokens context

Anthropic: Claude 3.5 Haiku

200k tokens context

Anthropic: Claude 3.5 Sonnet

200k tokens context

Anthropic: Claude 3 Haiku

200k tokens context

Specifications

pricing$15.00 / $75.00 (per 1M)
context Window200k tokens

AI Evaluation

4.8
Expert Rating
Text4.9/5
Coding4.8/5

Combines language understanding with search capabilities. Excels at finding and synthesizing information from various sources.

Pros

  • 200k token context window
  • Strong code generation and debugging
  • Advanced logical reasoning
  • Agent-ready with tool use

Cons

  • Higher cost tier
  • May lack creative flair