Anthropic’s Claude just got a massive upgrade. Claude 2.1, the latest iteration of its AI language model, is now available through API, revolutionising the claude.ai chat experience. Bringing forth key enhancements for enterprises, Claude 2.1 introduces a remarkable 200K token context window, substantial reductions in model hallucination rates, and a beta feature called tool use. 

This update also includes a pricing overhaul aimed at improving cost efficiency for diverse customer base.

Responding to user feedback, Claude 2.1 doubles the allowable token limit, now enabling a context window of 200,000 tokens, compared to 128,000 of GPT-4 Turbo announced at OpenAI DevDay. This corresponds to approximately 150,000 words or over 500 pages of material. Users can leverage this extended capacity to upload comprehensive documents such as codebases, financial statements, or lengthy literary works. 

Claude’s capabilities now extend to summarisation, Q&A, trend forecasting, document comparison, and more, all with the ability to process complex tasks in a matter of minutes.

Addressing user demands, a new beta feature, tool use, has been introduced, allowing Claude to seamlessly integrate with existing processes, products, and APIs. This expanded interoperability enhances Claude’s utility in day-to-day operations, enabling it to orchestrate across developer-defined functions, search web sources, retrieve information from private knowledge bases, and perform various actions on behalf of users.

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Furthermore, Claude 2.1 achieves a significant milestone with a 2x decrease in false statements compared to its predecessor, Claude 2.0. This boost in honesty empowers enterprises to deploy AI applications with greater trust and reliability across their operations. Rigorous testing revealed Claude 2.1’s increased likelihood to demur rather than provide incorrect information, bolstering its credibility in handling complex, factual questions.

Simplifying the developer Console experience, Anthropic introduced Workbench, a tool that enables developers to iterate on prompts in a playground-style environment. This facilitates faster learning and optimization of Claude’s behaviour. System prompts have also been introduced, allowing users to provide custom instructions to enhance Claude’s performance, aligning responses with specific personalities or roles.

Claude 2.1 is now available in the API and powers the chat interface at claude.ai for both free and Pro tiers. The usage of the 200K token context window is exclusive to Claude Pro users, who can now upload larger files than ever before.