Claude 4 is now available on Polite AI

Alex Pham | CEO at PoliteAI — Fri, 23 May 2025 18:05:56 +0000

Anthropic has launched its Claude 4 series, featuring two powerful models tailored for diverse needs: Claude Opus 4 and Claude Sonnet 4. These models showcase significant advancements in AI capabilities as of May 2025, catering to both high-performance and cost-effective use cases.

🔍 About Claude 4

Claude Opus 4 is Anthropic’s flagship model, designed to handle the most challenging tasks with remarkable efficiency. It excels in areas such as complex coding projects, detailed long-form reasoning, and autonomous operations, where precision and depth are critical.
On industry benchmarks, Opus 4 has proven its superiority, achieving a score of 72.5% on SWE-bench for software engineering tasks and 43.2% on Terminal-bench for terminal-based problem-solving. These results place it ahead of competitors like GPT-4.1 and Gemini 2.5 Pro, making it a top choice for advanced applications.

Claude Sonnet 4: Affordable and Versatile for General Use

Meanwhile, Claude Sonnet 4 offers a more budget-friendly option without sacrificing quality. Built for general-purpose tasks, this model delivers enhanced performance in coding and reasoning, making it well-suited for a variety of scenarios, from business automation to educational support.
Its balance of capability and cost-efficiency ensures it meets the needs of users seeking reliable AI assistance for everyday tasks.

Key Features Enhancing Functionality

The Claude 4 series introduces several innovative features that elevate the user experience and broaden the models’ applicability across different domains.

Extended Thinking with Tool Use
Both models support a hybrid reasoning approach, allowing them to alternate between internal thought processes and external tools like web search. This capability enables Claude 4 to tackle complex problems more effectively by combining its own reasoning with up-to-date information from external sources.

Improved Memory Capabilities
When granted file access, Claude Opus 4 can create and reference memory files, a feature that enhances its ability to retain context during long interactions. This ensures consistency and coherence, especially in extended conversations or multi-step projects.

Enhanced Instruction Following
The models have been refined to better adhere to user instructions, minimizing the chances of misunderstanding or straying from the task. This improvement makes Claude 4 more reliable for users who need precise and accurate outputs.

Performance Comparison

Model	SWE-bench Score	Terminal-bench Score	Notable Strengths
Claude Opus 4	72.5%	43.2%	Advanced coding, long-form reasoning
Claude Sonnet 4	~65%	~35.5%	Cost-effective, general tasks
GPT-4.1	~54.6%	~25–30%	Versatile language understanding
Gemini 2.5 Pro	~63.2%	~25–30%	Efficient performance, broad coverage

From Anthropic

Claude Opus 4 leads in coding benchmarks, demonstrating superior performance in complex tasks compared to its peers.

✅ Get Started

Polite AI users can now access Claude 4 models without limitations.
This integration allows seamless switching between leading AI models like GPT-4, Gemini, and Claude 4 within the same workspace, enhancing productivity and collaboration.