Timeline of Claude

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This is a timeline of Claude.

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Year Event type Details
2023 (March 14) Claude is launched.
2023 (April 18) Model update First major upgrade to Claude AI (version 1.3) is made public.[1]
2023 (May 11) Product upgrade Anthropic expands Claude’s context window from 9K to 100K tokens, enabling it to process around 75,000 words—equivalent to hundreds of pages of text—in under a minute. This allows businesses to analyze extensive documents, synthesize information, and answer complex questions more effectively than traditional search methods. Claude can review financial reports, legal documents, and even entire codebases. A demonstration shows it correctly identifying a single modified line in The Great Gatsby within 22 seconds. This enhancement improves Claude’s utility for summarization, risk assessment, and technical documentation, with API access becoming available for businesses and developers.[2]
2023 (July 11) Claude 2 is launched.
2023 (August 9) Model release Anthropic releases Claude Instant 1.2, a faster and more affordable version of its AI model, which is available via API. This update brings notable improvements over Claude Instant 1.1, especially in math, coding, reasoning, and safety. Claude Instant 1.2 achieves higher scores on benchmarks like Codex (58.7% vs. 52.8%) and GSM8K (86.7% vs. 80.9%), while also providing longer, more structured, and better-formatted responses. It performs better in multilingual tasks, quote extraction, and question answering. Safety is also enhanced, with reduced hallucination and increased resistance to jailbreaks. Businesses can access Claude Instant 1.2 for a range of practical AI tasks.[3]
2023 (August 23) Claude 2 becomes available on Amazon Bedrock. Bedrock is a managed AWS service offering access to top foundation models via API, simplifying generative AI integration. Claude 2’s availability enhances AI solutions across industries: LexisNexis uses it for legal AI services, leveraging its long-context processing; Lonely Planet employs it to unlock travel content for personalized planning; and Ricoh USA integrates it to generate training datasets while ensuring security and compliance. This collaboration aims to make safe, reliable AI more accessible for businesses globally.[4]
2023 (November 21) Claude 2.1 is launched.
2024 (March 4) Claude 3 is launched.
2024 (March 19) Product availability expansion Claude 3 Haiku and Claude 3 Sonnet are made available on Google Cloud’s Vertex AI, enabling enterprises to build scalable, secure generative AI solutions within their existing cloud infrastructure. This integration enhances data privacy, simplifies governance, reduces costs, and streamlines access control. The move allows more organizations to adopt reliable AI with Google Cloud tools. Claude 3 Opus is announced to be added to Vertex AI. Developers can begin via the Model Garden console.[5]
2024 (May 1) Product Launch Anthropic introduces two major updates: the Claude Team plan and a free iOS app. The Team plan, priced at $30 per user/month (minimum 5 users), offers expanded usage, admin tools, and full access to the Claude 3 model family (Opus, Sonnet, Haiku). It includes a 200K-token context window for handling long, complex documents and multi-step tasks. The iOS app delivers a seamless experience with chat history sync, vision capabilities (photo analysis), and mobile-friendly tools. Both updates aim to enhance productivity, collaboration, and accessibility, making Claude a powerful AI partner for individuals and teams across industries.[1][6][7]
2024 (May 23) Anthropic releases a demo called “Golden Gate Claude” to showcase interpretability research on its Claude 3 Sonnet model. Researchers identify specific neuron patterns—called features—that activate in response to concepts like the Golden Gate Bridge. By artificially amplifying this feature, Claude begins obsessively referencing the bridge in responses, regardless of context. This behavior demonstrates that internal model activations directly influence outputs, validating a new level of control and understanding. The demo, available for 24 hours, illustrates the potential of feature-based adjustments not just for curiosity, but also for enhancing model safety and aligning behavior with human values.[8]
2024 (June 20) Claude 3.5 Sonnet is launched.
2024 (June 25) Anthropic introduces Projects on Claude.ai for Pro and Team users, allowing them to organize chats and documents around specific workflows. Powered by Claude 3.5 Sonnet, each Project offers a 200K token context window and supports custom instructions for tone, role, or industry. Users can upload relevant materials to ground Claude’s responses, speeding up tasks like writing and data analysis. The Artifacts feature enables real-time editing of generated content. Teams can also share standout chats to inspire collaboration. Used by companies like North Highland, Projects aim to streamline workflows while maintaining strong privacy protections.[9]
2024 (July 10) Fine-tuning for Claude 3 Haiku becomes generally available in Amazon Bedrock, allowing businesses to customize the AI model for specialized tasks. This process improves accuracy, consistency, and cost efficiency while maintaining security within AWS environments. Fine-tuning enables domain-specific performance enhancements, brand-aligned formatting, and faster, lower-cost deployments. The fine-tuning preview is available in the US West (Oregon) AWS Region.[10]
2024 (July 16) ​Anthropic launches the Claude AI app for Android devices, providing users with access to its advanced AI assistant, Claude 3.5 Sonnet. The app is free and available to all users, including those on Pro and Team plans. It offers multi-platform support, allowing seamless continuation of conversations across web, iOS, and Android devices. Key features include vision capabilities for real-time image analysis, multilingual processing for instant language translation, and advanced reasoning to assist with complex tasks like contract analysis and market research.[11] [12] [13] [14] [15]
2024 (August 1) Anthropic launches Claude AI in Brazil, making it accessible via the web, mobile apps (iOS and Android), and API integration for developers. Users can choose between free and paid plans. The Pro plan costs R$110 per user per month, offering 5x more usage, early feature access, and all Claude 3 models, including Claude 3.5 Sonnet. The Team plan, at R$165 per user per month (minimum 5 seats), provides additional usage, shared chats, and administrative tools for user and billing management. This expansion brings Anthropic’s AI capabilities to Brazilian consumers and businesses for enhanced productivity and innovation.[16]
2024 (August 14) Anthropic introduces prompt caching to its API, enabling developers to cache frequently used prompt context to reduce costs (by up to 90%) and latency (by up to 85%) in long prompts. Becoming available on the Anthropic API and in preview on Amazon Bedrock and Google Cloud Vertex AI, prompt caching supports Claude 3.5 Sonnet, Claude 3 Opus, and Claude 3 Haiku. It’s ideal for chatbots, coding assistants, document Q&A, and multi-turn conversations. Cached prompts cost 10% of base input prices, with writes priced at 125%. Notion leverages this feature to enhance performance in Notion AI.[17]
2024 (August 27) Anthropic makes Claude AI’s Artifacts feature available to all users, including Free, Pro, and Team plans, across web, iOS, and Android. Artifacts provides a dedicated space for users to create, refine, and collaborate on projects like code snippets, prototypes, dashboards, and visualizations. The feature enhances Claude’s generative AI by allowing users to see and interact with their outputs in real-time. Free and Pro users can share Artifacts globally, while Team users can collaborate securely in Projects. This update makes Claude AI more interactive and useful for professionals across various industries, streamlining creative and technical workflows.[18][19][20][21]
2024 (September 4) ​Anthropic introduces the Claude Enterprise plan, designed to help organizations securely integrate their internal knowledge with Claude. This plan offers an expanded 500,000-token context window, allowing teams to process extensive documents and codebases. It also includes a native GitHub integration, enabling seamless collaboration on code-related projects. To ensure data security, the plan provides enterprise-grade features such as Single Sign-On (SSO), role-based access controls, and audit logs. Early adopters like GitLab and Midjourney had already utilized Claude for tasks ranging from summarizing research papers to streamlining internal processes.[22][23]
2024 (October 8) ​Anthropic introduces two significant tools to enhance AI application efficiency and cost-effectiveness: the Token Counting API and the Message Batches API. The Token Counting API enables developers to determine the number of tokens in a message before sending it to Claude, aiding in proactive management of rate limits and costs, and optimization of prompts to specific lengths . The Message Batches API allows for asynchronous processing of up to 10,000 queries per batch, with each batch processed within 24 hours at 50% less cost than standard API calls . This is particularly beneficial for non-urgent tasks requiring large-scale data handling. These tools collectively offer developers more control over token usage and a cost-effective solution for bulk processing, enhancing the scalability and affordability of AI applications.​[24][25][26][27]
2024 (October 22) Claude 3.5 Haiku is launched.
2024 (October 22) Anthropic introduces an enhanced version of Claude 3.5 Sonnet, featuring a "computer use" capability. This function enables the AI to interact with computer interfaces by moving the cursor, typing text, and clicking buttons, allowing it to perform tasks such as form-filling, booking trips, and coding assistance. The feature aims to automate complex, multi-step operations with minimal human intervention, positioning Claude as a tool for developers to streamline workflows and reduce repetitive tasks. Early adopters, including companies like Asana, Canva, and DoorDash, had already begun integrating this capability into their systems.[28][29][30][31]
2024 (October 24) Tool launch Claude.ai introduces the analysis tool, enabling Claude to write and run JavaScript code directly within the platform. This built-in code sandbox allows users to process data, perform complex analysis, and generate real-time insights. Claude functions become like a real data analyst—systematically cleaning, exploring, and analyzing data, especially from CSV files. Available in feature preview, the tool enhances Claude’s accuracy and reproducibility in tasks. It supports a range of use cases across teams, including marketing, sales, engineering, product, and finance, by helping them analyze performance data, uncover trends, and make informed decisions efficiently and interactively.[32]
2024 (October 29) GitHub Copilot expands its AI model offerings by integrating Anthropic's Claude 3.5 Sonnet, Google's Gemini 1.5 Pro, and OpenAI's o1-preview and o1-mini models. This multi-model approach allows developers to select the most suitable AI for their coding tasks directly within Visual Studio Code and GitHub.com. Claude 3.5 Sonnet, known for its strong software engineering capabilities, achieves top scores on benchmarks like SWE-bench Verified and HumanEval. Additionally, GitHub introduces "Spark," an AI tool designed to assist in building web applications using natural language, further enhancing developer productivity.[33][34][35][36]
2024 (November 4) Anthropic hikes the price of its Haiku model
2024 (November 15) ​Anthropic introduces a prompt improver feature in its developer console to help users refine and optimize prompts for Claude. This tool automates the enhancement of existing prompts, making them more effective and reliable. It employs advanced techniques such as chain-of-thought reasoning, which encourages step-by-step problem-solving to improve response accuracy. Additionally, the console starts allowing developers to manage example responses directly within the interface, facilitating the creation and refinement of structured input/output pairs. These enhancements aim to streamline prompt engineering, enabling developers to build more accurate and consistent AI applications. ​[37][38][39][40]
2024 (December 3) Anthropic optimizes Claude models for AWS Trainium2, enhancing performance in Amazon Bedrock. Claude 3.5 Haiku now supports latency-optimized inference, achieving up to 60% faster speeds without sacrificing accuracy. Additionally, model distillation enables Claude 3 Haiku to reach near-Claude 3.5 Sonnet accuracy at a lower cost by transferring knowledge from larger models. This approach improves tasks like retrieval augmented generation (RAG) and data analysis. Claude 3.5 Haiku is available in Amazon Bedrock’s US East (Ohio) Region, with prices reduced to $0.80 per million input tokens and $4 per million output tokens, making it more cost-effective for users.[41]
2025 (January 6) Anthropic announces that Claude 3.5 Sonnet achieved 49% on SWE-bench Verified, surpassing the previous record of 45%. SWE-bench is a benchmark testing AI models on real-world software engineering tasks, particularly resolving GitHub issues in Python projects. The success is attributed to a lightweight “agent” scaffold that gives Claude more autonomy, using tools like a Bash executor and a file-editing tool. These tools allow the model to inspect, edit, and validate code changes. SWE-bench Verified focuses on solvable tasks and evaluates the full agent system, emphasizing realistic, reproducible coding workflows over isolated model performance.[42]
2025 (January 23) ​Anthropic introduces 'Citations,' a new API feature that enables Claude to ground responses in source documents by providing detailed references to exact sentences and passages used. This enhancement aims to improve the verifiability and trustworthiness of AI-generated outputs, particularly benefiting applications like document summarization, complex Q&A, and customer support. Internal evaluations indicate that Claude's built-in citation capabilities outperform most custom implementations, increasing recall accuracy by up to 15%. Early adopters, such as Thomson Reuters and Endex, report reductions in hallucinations and improvements in reference accuracy. Citations becomes generally available on the Anthropic API and Google Cloud’s Vertex AI.[43][44][45][46]
2025 (February 24) Claude 3.7 Sonnet is launched.
2025 (March 6) The Anthropic Console is redesigned to facilitate AI deployment with Claude 3.7 Sonnet. It allows developers to build, test, and optimize prompts efficiently. New features include shareable prompts for team collaboration, tools for prompt evaluation, and automated prompt generation. The console also supports extended thinking, enabling Claude to provide step-by-step reasoning, with adjustable "thinking budgets" for optimal responses. This centralized platform improves collaboration and streamlines the development of AI applications by standardizing and refining prompts across teams.[47]
2025 (March 13) Anthropic introduces updates to its API, improving token efficiency and throughput for Claude 3.7 Sonnet. Key features include cache-aware rate limits, simpler prompt caching, and token-efficient tool use, which help reduce costs and latency. These enhancements allow for more context in applications like document analysis, coding assistance, and customer support. Claude can now interact with custom tools more efficiently, reducing output token consumption by up to 70%. A new text_editor tool also allows targeted edits to documents, improving accuracy and efficiency. These features are available on various platforms, including Google Cloud and Amazon Bedrock.[48]
2025 (March 20) Claude gains the ability to search the web, enabling it to provide more current and accurate responses by incorporating real-time data. This enhancement is especially useful for tasks such as sales analysis, financial forecasting, research, and consumer decision-making. Claude cites sources directly to facilitate fact-checking. The feature becomes available to paid users in the U.S. first. To use this feature, users must enable web search in their profile settings.[49]
2025 (May 22) Claude 4 is launched.
2025 (June 30) Anthropic announces an upgrade to Claude Artifacts, enabling users to create, host, and share AI-powered applications directly from text prompts. The feature allows non-programmers to build tools such as analyzers or study aids, with Claude handling the coding. Costs are shifted to end users through authentication, removing infrastructure burdens for creators. A dedicated workspace organizes apps, enhancing usability. This update positions Claude competitively against platforms like OpenAI’s Canvas and reflects the industry trend toward democratizing app creation, fostering broader collaboration and accessible AI-driven development.ChatGPT said: [50]
2025 (August 5) Claude Opus 4.1 is launched.
2025 (August 27) Anthropic launches Claude for Google Chrome, a browser extension integrating its AI agent into Chrome. Initially available to 1,000 Max plan subscribers, with a waitlist for others, the assistant operates in a sidebar, retains browsing context, and can autonomously perform tasks. Anthropic emphasizes security, restricting default access to financial, adult, and pirated sites, and requiring confirmation for high-risk actions. The move reflects competition in AI-enabled browsers, alongside Perplexity’s Comet and OpenAI’s planned browser. Anthropic highlights both potential benefits and security risks of autonomous browser agents.[51]
2025 (September 29) Claude Sonnet 4.5.
2025 (October 15) Claude Haiku 4.5.

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See also

References

  1. ↑ 1.0 1.1 "Anthropic AI Statistics". Originality.AI. 20 June 2024. Retrieved 26 June 2024.
  2. ↑ "100K Context Windows". Anthropic. Retrieved 2 April 2025.
  3. ↑ "Releasing Claude Instant 1.2". Anthropic. August 9, 2023. Retrieved April 4, 2025.
  4. ↑ "Claude 2 on Amazon Bedrock". Anthropic. August 23, 2023. Retrieved April 4, 2025.
  5. ↑ "Claude 3 models on Vertex AI". Anthropic. March 19, 2024. Retrieved April 5, 2025.
  6. ↑ "Anthropic PBC: History, Development, Products". Apix-Drive. Retrieved 2024-06-26.
  7. ↑ "Introducing the Claude Team plan and iOS app". Anthropic. May 1, 2024. Retrieved April 5, 2025.
  8. ↑ "Golden Gate Claude". Anthropic. May 23, 2024. Retrieved April 6, 2025.
  9. ↑ "Collaborate with Claude on Projects". Anthropic. June 25, 2024. Retrieved April 6, 2025.
  10. ↑ "Fine-Tuning Claude 3 Haiku". Anthropic. Retrieved 2 April 2025.
  11. ↑ Shittu, Esther (July 17, 2024). "Anthropic catches up with Claude LLM for Android". TechTarget. Retrieved April 6, 2025.
  12. ↑ Devlin, Kieran (July 17, 2024). "Anthropic Brings ChatGPT Competitor Claude AI To Android Devices". UC Today. Retrieved April 6, 2025.
  13. ↑ "Meet the New Claude Android App: Power of AI in Your Pocket". AIToolsClub. July 16, 2024. Retrieved April 6, 2025.
  14. ↑ "Amazon-backed Anthropic launches Android app for Claude". The Times of India. July 17, 2024. Retrieved April 6, 2025.
  15. ↑ "Claude Android app". Anthropic. July 16, 2024. Retrieved April 6, 2025.
  16. ↑ "Claude Expands to Brazil". Anthropic. Retrieved 2 April 2025.
  17. ↑ "Prompt caching with Claude". Anthropic. August 14, 2024. Retrieved April 6, 2025.
  18. ↑ "Anthropic Makes Claude AI Artifacts Available for Free". Pocket-lint. Retrieved 2 April 2025.
  19. ↑ "Why Claude's Artifacts Is the Coolest Feature I've Seen in Generative AI So Far". ZDNet. Retrieved 2 April 2025.
  20. ↑ "Anthropic Rolled Out Artifacts for Claude AI Users on iOS and Android Apps". TestingCatalog. Retrieved 2 April 2025.
  21. ↑ "Introducing Artifacts for Claude AI". Anthropic. Retrieved 2 April 2025.
  22. ↑ "Is Anthropic's New Workspaces Feature the Future of Enterprise AI Management?". VentureBeat. Retrieved 31 March 2025.
  23. ↑ "Claude for Enterprise". Anthropic. Retrieved 31 March 2025.
  24. ↑ "Introducing the New Anthropic Token Counting API". Towards Data Science. Retrieved 31 March 2025.
  25. ↑ "Anthropic Challenges OpenAI with Affordable Batch Processing". VentureBeat. Retrieved 31 March 2025.
  26. ↑ "This Week in AI: Tech Giants Embrace Synthetic Data". TechCrunch. Retrieved 31 March 2025.
  27. ↑ "Anthropic AI Introduces the Message Batches API: A Powerful and Cost-Effective Way to Process Large Volumes of Queries Asynchronously". MarkTechPost. Retrieved 31 March 2025.
  28. ↑ "Anthropic Adds New Feature to Help Developers Improve Prompts". SD Times. Retrieved 31 March 2025.
  29. ↑ "Anthropic Console Introduces Tools to Refine Prompts and Examples". AI News. Retrieved 31 March 2025.
  30. ↑ "Anthropic Introduces New Prompt Improver to Developer Console: Automatically Refine Prompts with Prompt Engineering Techniques and CoT Reasoning". MarkTechPost. Retrieved 31 March 2025.
  31. ↑ "Prompt Improver". Anthropic. Retrieved 31 March 2025.
  32. ↑ "Introducing the analysis tool in Claude.ai". Anthropic. October 24, 2024. Retrieved April 6, 2025.
  33. ↑ "Anthropic Adds New Feature to Help Developers Improve Prompts". SD Times. Retrieved 31 March 2025.
  34. ↑ "Anthropic Console Introduces Tools to Refine Prompts and Examples". AI News. Retrieved 31 March 2025.
  35. ↑ "Anthropic Introduces New Prompt Improver to Developer Console: Automatically Refine Prompts with Prompt Engineering Techniques and CoT Reasoning". MarkTechPost. Retrieved 31 March 2025.
  36. ↑ "Prompt Improver". Anthropic. Retrieved 31 March 2025.
  37. ↑ "Anthropic Adds New Feature to Help Developers Improve Prompts". SD Times. Retrieved 31 March 2025.
  38. ↑ "Anthropic Console Introduces Tools to Refine Prompts and Examples". AI News. Retrieved 31 March 2025.
  39. ↑ "Anthropic Introduces New Prompt Improver to Developer Console: Automatically Refine Prompts with Prompt Engineering Techniques and CoT Reasoning". MarkTechPost. Retrieved 31 March 2025.
  40. ↑ "Prompt Improver". Anthropic. Retrieved 31 March 2025.
  41. ↑ "Trainium2 and Distillation". Anthropic. Retrieved 31 March 2025.
  42. ↑ "Raising the bar on SWE-bench Verified with Claude 3.5 Sonnet". Anthropic. January 6, 2025. Retrieved April 6, 2025.
  43. ↑ "Introducing citations on the Anthropic API". Daily.dev. Retrieved 31 March 2025.
  44. ↑ "Anthropic's new citations API". Simon Willison’s Weblog. Retrieved 31 March 2025.
  45. ↑ "Introducing citations API". Anthropic. Retrieved 31 March 2025.
  46. ↑ "Introducing citations on the Anthropic API". LinkedIn. Retrieved 31 March 2025.
  47. ↑ "Upgraded Anthropic Console". anthropic.com. Retrieved 31 March 2025.
  48. ↑ "Token Saving Updates". anthropic.com. Retrieved 31 March 2025.
  49. ↑ "Web Search: Introducing Our Latest Advancement". anthropic.com. Retrieved 31 March 2025.
  50. ↑ "Anthropic Upgrades App-Building Capabilities to Claude Artifacts". InfoQ. 30 June 2025. Retrieved 25 September 2025.
  51. ↑ "Anthropic Integrates AI Agent into Chrome". ForkLog. 27 August 2025. Retrieved 25 September 2025.
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