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Claude Opus 5
Use Claude Opus 5 for complex coding and agents. Review its $5/$25 API pricing, 1M context, 128K output, model ID, strengths, and tradeoffs.
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What is Claude Opus 5?
Claude Opus 5 is Anthropic's current Opus model for complex agentic coding and enterprise work. The official API model ID is claude-opus-5. Anthropic documents a 1M-token context window, 128K maximum synchronous output, text-and-image input, adaptive thinking, and standard API pricing of $5 per million input tokens and $25 per million output tokens.
| Fact | Current value |
|---|---|
| Provider | Anthropic |
| API model ID | claude-opus-5 |
| Context window | 1M tokens |
| Maximum synchronous output | 128K tokens |
| Input / output | Text and image input; text output |
| Standard API price | $5/MTok input; $25/MTok output |
| Best fit | Complex coding agents, enterprise work, long-context analysis |
| Main tradeoff | More expensive than Sonnet 5 for routine, high-volume work |
| Verified | August 23, 2026 |
Official sources: Anthropic launch announcement, Claude models overview, and Claude API pricing.
Claude Opus 5 is Anthropic’s current Opus model for complex agentic coding, enterprise work, and long-running professional tasks. Anthropic describes it as a model for serious coding and says it approaches the frontier intelligence of Claude Fable 5 at the same base price as Opus 4.8.
- 1M-token context window for large repositories, long documents, and extended agent sessions
- 128K maximum synchronous output for detailed implementations and reports
- Text and image input with text output across Claude API and supported cloud platforms
- Adaptive thinking with effort controls for trading depth, latency, and token use
- Tool-oriented coding for planning, implementation, verification, and iterative debugging
- Vision and document analysis for diagrams, screenshots, PDFs, and interface review
Anthropic’s current model overview lists the API model ID as claude-opus-5, with $5 per million input tokens and $25 per million output tokens. Prompt caching, batch processing, and fast-mode pricing can change the effective cost, so review the current provider pricing before budgeting a production workload.
Claude Opus 5 is a strong candidate for repository-scale changes, difficult debugging, multi-step agents, enterprise knowledge work, and tasks where the model needs to verify its work instead of stopping after a plausible first answer. It can be more capability than you need for short edits or high-volume routine classification.
Code Generation
Bug Detection & Fixing
Code Refactoring
Code Explanation
Documentation Generation
Unit Test Writing
Why AtomsWhy use Claude Opus 5 on Atoms?
- Move from requirements to implementation: describe the product or code change and keep the specification in the same project workflow.
- Work with rich context: bring documents, screenshots, diagrams, and existing project details into the build process.
- Coordinate product work: organize planning, engineering, design, review, and QA around one outcome.
- Inspect the result: review the working preview, test important paths, and ask for targeted fixes before publishing.
- Keep ownership: deploy the result and export code to GitHub when your workflow requires it.
Atoms availability and credits are separate from Anthropic’s API pricing. Use the current Atoms workspace access shown above before planning a production budget.
Multi-Agent AI Team
PM, Engineer, and Designer work together to turn your prompt into a complete product.
Ship in Minutes, Not Months
Go from idea to deployed product with one conversation. No setup, no config.
Full Code Ownership
Export to GitHub anytime. You own everything — no vendor lock-in.
How to Use Claude Opus 5 on Atoms
Start Building Now01
Describe the product, repository change, or professional workflow. Add requirements, constraints, documents, diagrams, and existing project context.
02
Ask Claude Opus 5 to map dependencies, risks, tools, and acceptance criteria before implementation begins.
03
Implement the solution, run relevant tests, inspect the output, and resolve failures against the original requirements.
04
Review the working result, make final refinements, and deploy or export the project when it meets the acceptance criteria.
Why Build with Claude Opus 5 on Atoms
Visual Editor
Edit your app visually — tweak layouts, colors, and content without touching code.
Instant AI Integrations
Add AI-powered features — chatbots, image generation, text analysis — with a single prompt.
Multi-Agent AI Team
A full AI team — PM, Engineer, Designer — collaborates to turn your prompt into a working product.
What you can build with Claude Opus 5
SaaS Dashboard
Build a full-stack SaaS with user auth, billing, and real-time analytics.
E-commerce Store
Create a product catalog with cart, checkout, and Stripe payments.
Internal Tools
Ship admin panels, CRMs, and workflow tools for your team in minutes.
Mobile App
Build cross-platform mobile apps with native-feeling UI and push notifications.
Check out our featured use cases
Real apps and pages teams have shipped on Atoms — pick one as a starting point.
AI Coach Website Builder
Describe your coaching practice and get a professional website with booking, payments, and SEO built in.
School Website Builder
Describe your school's needs and get a live website with enrollment forms, calendars, and parent portals.
Static Website Generator
Build and deploy static websites from a text description — no SSG setup, no CLI, no config files.
AI Product Launch Page Builder
Use AI to build a focused product launch page with a clear promise, countdown, and waitlist signups.
DeepSeek V4 Preview
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Claude Opus 4.7
Build apps and websites using Claude Opus 4.7's advanced agentic coding and high-resolution vision capabilities on Atoms.
Atoms vs. Building from Scratch
AtomsDIY / From Scratch
Time to launch
Minutes
Weeks to months
Technical skills needed
None
Full-stack development
Deployment & hosting
One-click, included
Manual setup required
AI model access
Top AI models, pre-configured
API keys, SDKs, billing
Ongoing maintenance
Handled for you
You manage everything
Free Tier Available
Start using Claude Opus 5 for free
No credit card. No setup. Just describe what you want and Atoms ships it.
- 15 free credits every dayYour daily quota refills automatically — keep iterating without running a tab.
- No credit card requiredSign up in seconds with email or Google — start building on the free tier immediately.
- Top AI models, one accountSwitch between Claude Opus 5 and other frontier models anytime, from the same chat.
- No setup, no infraYour AI team plans, builds, and previews — no local tooling or deploy pipeline to manage.
- Production-ready deployShip to a live URL with custom domain, SSL, and version history on every build.
Frequently Asked Questions
Start Building with Claude Opus 5
Turn complex coding and agent workflows into products you can inspect, verify, and deploy.
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