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Claude Opus 4.8

by Anthropic · Language Models

Context 200K tokensVision

Overview

Anthropic's flagship model for long-horizon agentic coding.

Context window200K tokens
Max output4K tokens
Input → Outputtext, image → text
CapabilitiesVision

Pricing

$3.861 in · $19.305 out · $0.3861 cached / 1M

UsageRate (USD)Unit
Input tokens$3.861per 1M tokens
Cached input (cache hit)$0.3861per 1M tokens
Output tokens$19.305per 1M tokens

Official model pricing · currency: USD · pre-deduction settled by actual usage

Call it in 30 seconds

OpenAI-compatible · base URL https://api.tunerouter.com/v1/

POST/chat/completions
curl https://api.tunerouter.com/v1/chat/completions \
  -H "Authorization: Bearer $TUNEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "claude-opus-4-8", "messages": [{"role": "user", "content": "Hello!"}]}'

Model ID: claude-opus-4-8 · works with OpenAI SDKs — just point base_url at api.tunerouter.com

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