Claude Opus 4.8
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family.
anthropic/claude-opus-4.8Opens in the ewpire workspace. Creating an account is free; runs are paid from your credits.
Claude Opus 4.8 in plain words
Claude Opus 4.8 is a text model from Anthropic. It takes text, images, and files as input and returns text. Its context window is 1,000,000 tokens. It costs 6.205883 credits per 1M input tokens and 31.029412 credits per 1M output tokens.
It is good at reasoning through multi-step problems, reading attached files, and calling tools. It reads images as well as text. A context window of 1,000,000 tokens holds about 4,000,000 characters of English text, at 4 characters a token.
For example, a question of 2,000 tokens (about 8,000 characters) with an answer of 1,000 tokens (about 4,000 characters) costs 0.043442 credits. The exact charge follows the usage the model reports for your request.
Details
- Made by
- Anthropic
- Good at
- ReasoningVisionFilesTool use
- Reads
- Text, Images, Files
- Produces
- Text
- Context window
- 1,000,000 tokens
Price
- Input, per 1M tokens
- 6.205883 credits
- Output, per 1M tokens
- 31.029412 credits
Charged per request from your credit balance. No subscription. See pricing
In the API – coming soon
API keys are not open yet. The docs show how to call this model with the OpenAI SDK or plain HTTP once they are. Read the docs
curl https://ewpire.com/api/v1/chat/completions \
-H "Authorization: Bearer $EWPIRE_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"anthropic/claude-opus-4.8","messages":[{"role":"user","content":"Hello!"}]}'The docs show how to list the models the API serves, with their capabilities and prices, once API keys are open. Models in the docs
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