Available now
Anthropic
claude-opus-4-8
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...
TextReasoningToolsFilesVision1MCacheComputerUse
Input$2.70/ 1M
Output$13.50/ 1M
Endpointsanthropic, openai
Performance
Loading performance data...
§ 01
Pricing
| Input price | $2.70 · 1M tokens |
| Output price | $13.50 · 1M tokens |
| Compatible endpoints | anthropic, openai |
| Vendor | Anthropic |
§ 02
Call claude-opus-4-8 from your code
Point any OpenAI-compatible SDK at UnoRouter and request the model by name. Replace YOUR_API_KEY with a real key from your dashboard.
bash
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-opus-4-8",
"messages": [{"role": "user", "content": "Hello!"}]
}'§ 03
Frequently asked questions
How much does claude-opus-4-8 cost per 1M tokens?
Input is priced at $2.70 per 1M tokens, output at $13.50 per 1M tokens. Billing is per token, no rounding to batch sizes.
How do I access claude-opus-4-8 via API?
Send requests to the UnoRouter /v1/chat/completions endpoint with model=claude-opus-4-8. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.
§ 04
Similar models
Try claude-opus-4-8 now
Create an API key and start making requests in under a minute.