Asserting Anthropic’s latest mannequin, Claude Opus 4.5, in Microsoft Foundry. Opus 4.5 is now obtainable in public preview in Microsoft Foundry, GitHub Copilot paid plans, and Microsoft Copilot Studio.
We’re at an actual inflection level within the AI panorama, a threshold the place fashions transfer from helpful assistants to real collaborators. Fashions that perceive the target, think about constraints, and execute complicated multi-tool workflows. Fashions that not solely help processes, however assist restructure them for reliability, scale, and operational effectivity.
Anthropic’s latest mannequin, Claude Opus 4.5, embodies that shift. At present, we’re excited to share that Opus 4.5 is now obtainable in public preview in Microsoft Foundry, GitHub Copilot paid plans, and Microsoft Copilot Studio.
Constructing on the Microsoft Ignite announcement of our expanded partnership with Anthropic, Microsoft Foundry delivers its dedication to giving Azure prospects fast entry to the widest number of superior and frontier AI fashions of any cloud. Foundry empowers builders to speed up innovation with an built-in, interoperable, and safe AI platform that permits seamless deployment, integration, and scaling for AI apps and brokers.
We’re excited to make use of Anthropic Claude fashions from Microsoft Foundry. Having Claude’s superior reasoning alongside GPT fashions in a single platform offers us flexibility to construct scalable, enterprise-grade workflows that transfer far past prototypes.
—Michele Catasta, President, Replit
Opus 4.5 for actual work
Opus 4.5 units a brand new bar for coding, agentic workflows, and enterprise productiveness: outperforming Sonnet 4.5 and Opus 4.1, at a extra accessible value level. Its versatility throughout software program engineering, complicated reasoning, software use, and imaginative and prescient unlocks new alternatives for organizations to modernize methods, automate essential workstreams, and ship ROI sooner.
By prioritizing fast integration of the most recent fashions, Foundry permits Azure prospects to remain forward of the curve and maximize the affect of their agentic AI methods; all whereas sustaining centralized governance, safety, and observability at scale.
1. Constructed for manufacturing engineering and agentic capabilities
In keeping with Anthropic, Opus 4.5 delivers state-of-the-art efficiency on trade normal software program engineering benchmarks, together with new highs on SWE-bench (80.9%). Early testers persistently describe the mannequin as with the ability to interpret ambiguous necessities, cause over architectural tradeoffs, and determine fixes for points that span a number of methods.
Opus 4.5 accelerates engineering velocity by finishing multi-day growth work in hours with:
- Improved multilingual coding efficiency
- Extra environment friendly code era
- Stronger take a look at protection
- Cleaner architectural and refactoring selections
| Functionality / Benchmark | Claude Opus 4.5 | Claude Sonnet 4.5 | Claude Opus 4.1 | Gemini 3 Professional |
| Agentic coding (SWE-bench Verified) | 80.90% | 77.20% | 74.50% | 76.20% |
| Agentic terminal coding (Terminal-bench 2.0) | 59.30% | 50.00% | 46.50% | 54.20% |
| Agentic software use — Retail (t2-bench) | 88.90% | 86.20% | 86.80% | 85.30% |
| Agentic software use — Telecom (t2-bench) | 98.20% | 98.00% | 71.50% | 98.00% |
| Scaled software use (MCP Atlas) | 62.30% | 43.80% | 40.90% | _ |
| Pc use (OSWorld) | 66.30% | 61.40% | 44.40% | _ |
| Novel drawback fixing (ARC-AGI-2 Verified) | 37.60% | 13.60% | _ | 31.10% |
| Graduate-level reasoning (GPQA Diamond) | 87.00% | 83.40% | 81.00% | 91.90% |
| Visible reasoning (MMMU validation) | 80.70% | 77.80% | 77.10% | _ |
| Multilingual Q&A (MMLU) | 90.80% | 89.10% | 89.50% | 91.80% |
Claude Opus 4.5 benchmark outcomes from Anthropic
Opus 4.5 can be one of many strongest tool-using fashions obtainable at the moment, able to powering brokers that work seamlessly throughout a whole bunch of instruments. Builders acquire entry to a number of necessary upgrades:
- Programmatic Instrument Calling: Execute instruments straight in Python for extra environment friendly, deterministic workflows.
- Instrument Search: Dynamically uncover instruments from massive libraries with out utilizing up house within the context window.
- Instrument Use Examples: Extra correct software calling for complicated software schemas.
Collectively, these capabilities allow subtle brokers throughout cybersecurity, full-stack software program engineering, monetary modeling, and different workflows requiring a number of software interactions. Opus 4.5 reveals robust, real-world intelligence making use of these instruments creatively inside constraints. In testing, the mannequin efficiently navigated complicated coverage environments, similar to airline change guidelines, chaining upgrades, downgrades, cancellations, and rebookings to optimize outcomes. This sort of adaptive, constraint-aware problem-solving displays a significant step ahead in what agentic AI methods can accomplish.
Manus deeply makes use of Anthropic’s Claude fashions due to their robust capabilities in coding and long-horizon activity planning, along with their prowess to deal with agentic duties. We’re very excited to be utilizing them now on Microsoft Foundry!
—Tao Zhang, Co-founder & Chief Product Officer, Manus AI
2. Improved developer expertise on Foundry
Opus 4.5 paired with new developer capabilities supplied on Foundry is designed to assist groups construct more practical and environment friendly agentic methods:
- Effort Parameter (Beta): Management how a lot computational effort Claude allocates throughout considering, software calls, and responses to stability efficiency with latency and price in your particular use instances.
- Compaction Management: Deal with long-running agentic duties extra successfully with new SDK helpers that handle context effectively over prolonged interactions.
These enhancements present better predictability and operational management for enterprise workloads.
3. Enhanced workplace productiveness and pc use
Opus 4.5 additionally doubles down as Anthropic’s greatest imaginative and prescient mannequin, unlocking workflows that depend upon complicated visible interpretation and multi-step navigation. Pc use efficiency has improved considerably, enabling extra dependable automation of desktop duties.
For data staff, the mannequin delivers a step-change enchancment in powering brokers that create spreadsheets, shows, and paperwork. It produces work with consistency, skilled polish, and real area consciousness making it a match for finance, authorized, and different precision-critical verticals. The mannequin higher leverages reminiscence to keep up context and consistency throughout information all through sprawling skilled initiatives.
4. Security and safety
In keeping with Anthropic, Opus 4.5 additionally delivers significant enhancements in security and safety. The mannequin reveals a decreased price of misaligned responses, stronger robustness towards prompt-injection assaults, and extra dependable conduct throughout complicated duties.
These enhancements align with Microsoft’s dedication to offering enterprise prospects with fashions that meet excessive bars for security, governance, and operational integrity
Use instances
Opus 4.5 serves the next use instances
- Software program growth: Deploy brokers that deal with complicated, multi-system growth duties with minimal supervision.
- Monetary evaluation: Join insights throughout regulatory filings, market experiences, and inner knowledge for classy predictive modeling and proactive compliance monitoring.
- Cybersecurity: Correlate logs, vulnerability databases, and risk intelligence for professional-grade risk detection and automatic incident response.
- Enterprise operations: Handle subtle workflows requiring coordination throughout a number of instruments, methods, and knowledge sources.
Pricing and availability
Opus 4.5 delivers frontier efficiency and units a brand new normal for a wide range of use instances at one third the worth of earlier Opus-class fashions.
|
Mannequin |
Provide kind |
Deployment kind |
Areas |
Value (1M tokens) |
Availability |
|
Claude Opus 4.5 |
Serverless Pay-go |
World Customary |
East US2, Sweden Central |
Enter- $5 Output- $25 |
November 24, 2025 (public preview) |
Get began at the moment
Claude Opus 4.5 is on the market now in Microsoft Foundry and coming quickly in Visible Studio Code through the Foundry extension. Go to the Foundry portal to start constructing with Opus 4.5.
