A 1-million-token context window, input at $2 and output at $10 per million tokens, with browser access and a shared gateway to multiple model providers.
AIHubMix now offers Claude Sonnet 5.5, Anthropic's latest Sonnet model. Users can access it through AIHubMix Playground or compatible applications for writing, organizing information, preparing presentation content, and other everyday work.
Compared with Sonnet 5, Anthropic reports faster output generation, clearer writing, and more efficient task completion. The listed input and output token prices remain unchanged, making Sonnet 5.5 an option for users seeking an updated everyday assistant at the same rates.
Key Highlights
- Now available on AIHubMix: Claude Sonnet 5.5 can be selected in Playground or accessed through supported applications.
- Faster output: Anthropic reports output generation more than 30% faster than Sonnet 5.
- Improved task efficiency: Anthropic's testing found task costs up to 30% lower, with unchanged token prices.
- Capacity for extensive materials: A 1-million-token context window supports working with substantial source material.
- Shared access and billing: AIHubMix offers multiple providers through one account and API key, with usage-based billing.
About Claude Sonnet 5.5
Claude Sonnet 5.5 is an update to Sonnet 5. Anthropic positions it for well-scoped everyday tasks, including writing, document work, presentations, spreadsheets, and software development. Its clearer expression and more natural collaboration can help when refining drafts and working through revisions.
The model's improvements focus on three areas:
Faster content generation. According to Anthropic, Sonnet 5.5 generates output more than 30% faster than Sonnet 5, supporting quicker exchanges when drafting and revising content.
Better writing and visual understanding. Anthropic reports improvements in writing, design, and understanding images and charts. Relevant uses include organizing a report's main points, preparing a presentation outline, and explaining technical material to a business audience.
Lower task costs through greater efficiency. Anthropic's testing found savings of up to 30% per task, primarily through reduced token consumption. Input remains $2 per million tokens and output remains $10. The saving varies with the task and usage; it is not a reduction in the token price.
For complex, open-ended work requiring sustained judgment, Anthropic continues to position Opus 5.5 as the stronger option.
Everyday Applications
- Office communication: Draft emails, organize meeting notes, and extract decisions and action items from supplied material.
- Marketing and content: Prepare product descriptions, article outlines, and customer replies for a specified audience and tone.
- Reports and learning: Summarize lengthy material, explain unfamiliar terms, and identify questions for further investigation.
- Presentation preparation: Organize material into slide outlines and speaker notes for a clearer business narrative.
Creating downloadable presentation or spreadsheet files requires an application with the necessary file creation and export tools. Supported attachments also depend on the application and integration used.
Specifications and Pricing
| Item | Details |
|---|---|
| Model | Claude Sonnet 5.5 |
| Model ID | claude-sonnet-5-5 |
| Context window | 1 million tokens |
| Inputs listed by AIHubMix | Text, images, PDF |
| Output | Text |
| Maximum output, Anthropic specification | 128K tokens |
| Input price | $2 per million tokens |
| Output price | $10 per million tokens |
Tokens are the units used to process and bill for text; they do not correspond to a fixed number of words or characters. The context window and official output ceiling are the same as Sonnet 5's.
The 128K output ceiling is Anthropic's model specification. The limit available through AIHubMix is subject to the platform's current support and request settings. Prices are in US dollars, with current rates shown on the model page.
Access Through AIHubMix
When a team uses models from several providers, model selection, account management, and spending become part of its daily workflow. AIHubMix brings these activities into one service:
One account for multiple providers. Users can access different models with a shared API key. OpenAI-compatible and Anthropic-compatible interfaces offer integration options for applications.
Browser access and Chinese documentation. Playground provides an interactive way to use models without writing code. Chinese documentation also supports users choosing and setting up applications.
Usage-based billing and spending visibility. AIHubMix bills by usage without a mandatory monthly membership. Its console provides usage and billing details for reviewing model spending.
These services support individuals choosing an everyday assistant and teams introducing AI into existing workflows.
How to Get Started
- Register or sign in to the AIHubMix console, prepare an available balance, and create or select an API key as needed.
- Open AIHubMix Playground, choose Claude Sonnet 5.5, and follow the page's account access prompts.
- Enter a task, such as summarizing meeting notes or drafting a customer reply, and review usage in the console. Paid-model requests in Playground are billed by usage.
Applications that support custom model providers can also use the model by following AIHubMix's client documentation.
Model details and current pricing are available on the Claude Sonnet 5.5 model page.
Sources and Notes
- Anthropic's Claude Sonnet 5.5 announcement: model positioning and comparisons with Sonnet 5. Performance and task-cost figures are Anthropic's published results.
- Anthropic's model specifications: context window, input/output types, and official maximum output.
- AIHubMix integration guide and platform documentation: provider access, interfaces, and usage-based billing.
Information and prices checked on September 29, 2026. Available features and applicable charges follow the current platform and application documentation.
