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Claude Opus 4.8 API

Use Claude Opus 4.8 by Anthropic through Refract's OpenAI-compatible API for $1.08 per 1M input and $5.38 per 1M output tokens, 78% below the official $5 / $25. Pay per token, no subscription.

Model IDclaude-opus-4-8
ProviderAnthropic
Input, per 1M tokens$1.08 (official $5)
Output, per 1M tokens$5.38 (official $25)

Chat with Claude Opus 4.8 · Get an API key

Use it from code

curl https://refracthub.com/v1/chat/completions \
  -H "Authorization: Bearer $REFRACT_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "claude-opus-4-8", "messages": [{"role": "user", "content": "Hello"}]}'
from openai import OpenAI

client = OpenAI(base_url="https://refracthub.com/v1", api_key="YOUR_REFRACT_KEY")
reply = client.chat.completions.create(model="claude-opus-4-8", messages=[{"role": "user", "content": "Hello"}])
print(reply.choices[0].message.content)

Questions

How much does Claude Opus 4.8 cost on Refract?

$1.08 per 1M input tokens and $5.38 per 1M output tokens, compared with $5 and $25 on Anthropic's official API. You pay only for the tokens you use, with no subscription.

Does it work with the OpenAI SDK?

Yes. Point the OpenAI SDK, or any OpenAI-compatible app, at https://refracthub.com/v1 with your Refract key and use the model name "claude-opus-4-8". The Anthropic Messages format works too.

Can I use Claude Opus 4.8 without writing code?

Yes. Chat with it on the web at https://refracthub.com/chat, or use the Refract desktop app for Windows.

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