Writer Launches Palmyra X5: 1M Token Context LLM for Advanced Enterprise AI Agents on Amazon Bedrock

Writer, a leader in enterprise generative AI, has unveiled its newest foundation model, Palmyra X5, which features an unprecedented 1 million token context window. This advanced adaptive reasoning model is designed to support the next era of enterprise AI agents, offering unparalleled speed and cost efficiency. Available through Amazon Bedrock, a fully managed service by Amazon Web Services (AWS), Palmyra X5 sets a new standard for large-language models (LLMs) in the enterprise. Core Features and Performance Palmyra X5 boasts several groundbreaking features. Its 1 million token context window allows the model to process vast amounts of data, making it highly suitable for complex tasks that require extensive background information. For instance, it can handle detailed financial reports, intricate legal documents, comprehensive medical records, and extensive customer feedback. This capability is crucial for building sophisticated AI agents that can reason through multifaceted scenarios, a necessity in modern enterprise environments. In terms of performance, Palmyra X5 is notably fast and efficient. It can ingest a million-token prompt in approximately 22 seconds and execute individual function calls in about 0.3 seconds. This efficiency makes it possible to build and operate multi-step AI agents that can interact with various external tools in real-time, enhancing the speed and effectiveness of decision-making processes. Cost Efficiency Cost efficiency is another significant advantage of Palmyra X5. The model is priced at just $0.60 per 1 million input tokens and $6 per 1 million output tokens. Compared to other leading LLMs, Palmyra X5 offers top-tier retrieval performance at a fraction of the cost. This pricing model is particularly beneficial for enterprises looking to scale their AI initiatives without incurring unsustainable expenses. Real-World Applications Vanguard, a prominent financial services company, is among the enterprises leveraging Writer’s platform to enhance their content creation and knowledge management capabilities. According to Maulan Byron, Head of Enterprise Productivity and Enablement Platforms at Vanguard, Palmyra X5’s cutting-edge technology supports their mission to provide investors with the best chance for investment success. Integration with Amazon Bedrock Palmyra X5, along with its predecessor Palmyra X4, is now available through Amazon Bedrock. Palmyra X4 has a 128k token context window, making both models suitable for a wide range of enterprise tasks. AWS is the first cloud provider to offer fully managed models from Writer, expanding its portfolio and demonstrating a commitment to providing diverse and powerful AI solutions. Atul Deo, Director of Amazon Bedrock at AWS, emphasized the importance of this collaboration, noting that Palmyra X5's performance over long context inputs and its reliability and speed are transformative for how enterprises reason over large datasets. The seamless integration with AWS ensures that developers and enterprises can benefit from the security and scalability of Amazon’s cloud infrastructure while building and scaling AI agents. Industry Impact "The release of Palmyra X5 marks a significant milestone in the adoption of generative AI in enterprise workflows," commented David Cushman, Executive Research Leader at HFS. "It is purpose-built for agent development, API function calling, multimodal processing, and custom enterprise applications. The end-to-end platform provided by Writer, which balances scalability with transparency, is exactly what regulators and stakeholders are demanding." Several major enterprises, including Accenture, Marriott, Prudential, Qualcomm, Uber, and Salesforce, are already utilizing Writer’s family of Palmyra LLMs. These companies are redefining their business processes with the help of AI, from accelerating product launches to deepening financial research and improving clinical trials. Writer’s five-year track record of model innovation further solidifies its position as a trusted provider in the enterprise AI space. About Writer Founded in 2020, Writer is a leading platform where enterprises can orchestrate AI-powered work. Its end-to-end solution allows teams to construct, activate, and oversee AI agents grounded in the company’s data, ensuring that these agents are aligned with enterprise goals. Writer’s models are known for their reliability, safety, efficiency, and observability, making them a preferred choice for mission-critical applications. The company is backed by a robust list of investors, including Premji Invest, Radical Ventures, ICONIQ Growth, Insight Partners, Balderton, B Capital, Salesforce Ventures, Adobe Ventures, Citi Ventures, and IBM Ventures. To explore more about the technology behind Palmyra X5 and its applications, visit Writer’s Engineering blog and the Amazon Bedrock page for Writer models.