Claude Opus 4.8
Claude Opus 4.8 is a highly capable model developed by Anthropic designed for complex reasoning tasks. It supports a large 1-million-token context window and can process text, images, and various file types.
Claude Opus 4.8 specs and pricing
- Provider: Anthropic
- Released: May 27, 2026
- Context window: 1M tokens
- Max output: 128K tokens
- Input: text, images, files
- Output: text
- Price: $5.00 input / $25 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What Claude Opus 4.8 is good at
- Analyzing large documents or datasets
- Complex reasoning and problem-solving tasks
- Multimodal analysis involving text and images
To-dos to try with Claude Opus 4.8
- Upload a 500-page technical manual and summarize the troubleshooting section.
- Analyze a series of architectural diagrams and identify potential structural inconsistencies.
- Process multiple research papers to synthesize a comparative report on a specific topic.
FAQ
- What types of input can Claude Opus 4.8 process? The model accepts text, images, and files as input.
- Does this model support reasoning capabilities? Yes, Claude Opus 4.8 is designed with built-in support for reasoning and tool calling.
- How much does Claude Opus 4.8 cost? Claude Opus 4.8 costs $5.00 per million input tokens and $25 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 17.5 credits ($1 = 100 credits).
- What is the context window of Claude Opus 4.8? Claude Opus 4.8 can read up to 1M tokens at once and write up to 128K tokens in one reply.
- Can I use Claude Opus 4.8 without coding? Yes. In todo.is you pick Claude Opus 4.8 as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.