Claude Sonnet 4.5, Haiku 4.5, and Opus 4.1 Now Available in Microsoft Foundry and Microsoft 365 Copilot
Anthropic and Microsoft are expanding their partnership to make Claude Sonnet 4.5, Haiku 4.5, and Opus 4.1 available in public preview on Microsoft Foundry, enabling Azure customers to build production applications and enterprise agents using existing Azure agreements and billing. Claude is also being integrated into Microsoft 365 Copilot's Agent Mode in Excel, allowing users to generate formulas, analyze data, and iterate on spreadsheet solutions. The Foundry integration supports serverless deployment with Python, TypeScript, and C# SDKs, and includes capabilities such as code execution, web search, citations, vision, and prompt caching. This partnership reduces procurement friction for enterprises already invested in the Microsoft ecosystem.
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Anthropic Introduces Claude Opus 4 and Sonnet 4 with Leading Coding Benchmarks and Agent Capabilities
Anthropic has released Claude Opus 4 and Claude Sonnet 4, positioning Opus 4 as the world's best coding model with 72.5% on SWE-bench and 43.2% on Terminal-bench, and Sonnet 4 at 72.7% on SWE-bench. Both models are hybrid (near-instant + extended thinking), support extended thinking with tool use in beta, parallel tool execution, and improved memory via local file access. Alongside the models, Anthropic is launching Claude Code as generally available with GitHub Actions, VS Code, and JetBrains integrations, plus four new API capabilities: code execution tool, MCP connector, Files API, and one-hour prompt caching. Pricing is unchanged from prior Opus and Sonnet tiers ($15/$75 and $3/$15 per million tokens respectively), with availability on Anthropic API, Amazon Bedrock, and Google Cloud Vertex AI.
Claude 3.5 Sonnet begins rollout on GitHub Copilot via Amazon Bedrock
Anthropic's Claude 3.5 Sonnet is now rolling out on GitHub Copilot, available in public preview for all Copilot Chat users in Visual Studio Code and GitHub.com. The model claims top performance on SWE-bench Verified among publicly available models and 93.7% on HumanEval. The integration runs via Amazon Bedrock's cross-region inference and reaches GitHub's community of over 100 million developers, representing a significant distribution milestone for Claude.
Anthropic Releases Claude Sonnet 4.5: Top Coding and Computer-Use Model with Agent SDK
Anthropic has released Claude Sonnet 4.5, claiming it is the best coding model and strongest model for building complex agents, with a 61.4% score on OSWorld (up from 42.2% for Sonnet 4) and state-of-the-art performance on SWE-bench Verified. The release is accompanied by major product upgrades including checkpoints in Claude Code, a native VS Code extension, a Claude Agent SDK giving developers access to the same infrastructure powering Claude Code, and new context editing and memory tools in the Claude API. Pricing is unchanged from Sonnet 4 at $3/$15 per million input/output tokens. Early enterprise customers including Cursor, GitHub Copilot, Devin, Canva, and Figma report significant gains in coding, agentic, and long-context tasks.
Anthropic Launches Ten Finance Agent Templates with Microsoft 365 Integration and Expanded Data Connectors
Anthropic is releasing ten ready-to-run agent templates targeting high-value financial services workflows including pitchbook creation, KYC screening, and month-end close, deployable as plugins in Claude Cowork/Claude Code or as autonomous Claude Managed Agents. The release includes native add-ins for Microsoft Excel, PowerPoint, Word, and Outlook with cross-application context persistence. Claude Opus 4.7 underpins the offering and leads the Vals AI Finance Agent benchmark at 64.37%, with new data connectors from partners including Dun & Bradstreet, Fiscal AI, FactSet, S&P Capital IQ, and others providing governed real-time data access.
Claude Sonnet 4 Now Generally Available in Xcode 26
Anthropic has made Claude generally available as the AI backend for Xcode 26's coding intelligence features, powered by Claude Sonnet 4. Developers can connect their Claude account to access a coding assistant with natural language interaction, documentation generation, inline edits, and SwiftUI preview creation directly within Apple's IDE. The integration is available to Claude Pro, Max, Team, and Enterprise plan subscribers who have Claude Code access. Usage limits are shared across platforms with a portion allocated to Xcode.
Claude 3 Haiku and Sonnet reach general availability on Google Cloud Vertex AI
Anthropic announced general availability of Claude 3 Haiku and Claude 3 Sonnet on Google Cloud's Vertex AI platform, with Claude 3 Opus to follow in coming weeks. The deployment gives enterprise customers access to Claude models within their existing Google Cloud environment, with associated data governance and security benefits. Quora's Poe app is cited as an early adopter, reporting millions of daily messages exchanged via Claude-based bots.
Anthropic Releases Claude Opus 4.5 with State-of-the-Art Coding, Agent, and Computer Use Capabilities
Anthropic has released Claude Opus 4.5, positioning it as the best model in the world for coding, agentic workflows, and computer use, with pricing reduced to $5/$25 per million input/output tokens. The model demonstrates significant token efficiency gains—up to 65% fewer tokens than prior models on equivalent tasks—alongside improvements in long-horizon autonomous task execution, multi-step reasoning, and self-improving agent behavior. The release is accompanied by updates to Claude Code, the Claude Developer Platform, and integrations with Excel, Chrome, and desktop environments. Early partner feedback from GitHub Copilot, Cursor, Notion, Warp, and others reports measurable benchmark improvements and new use cases previously out of reach.
Anthropic Expands Claude for Financial Services with Excel Add-in, New Connectors, and Agent Skills
Anthropic is expanding its Claude for Financial Services offering with a beta Excel add-in (Claude for Excel), seven new real-time data connectors (including LSEG, Moody's, Aiera, and Chronograph), and six new pre-built Agent Skills covering tasks like DCF modeling, comparable company analysis, and initiating coverage reports. The updates build on Claude Sonnet 4.5's performance on the Finance Agent benchmark from Vals AI, where it scored 55.3% accuracy. Claude for Excel allows users to read, analyze, modify, and create Excel workbooks directly from a sidebar, with transparency into cell-level changes. These features are rolling out in preview to Max, Enterprise, and Teams users, with Citi cited as a notable enterprise adopter.