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claude-opus-5ChatExamples verified 2026-09-25

Claude Opus 5

Opus 5 at $5 / $25 with 1M context. Built for deep reasoning and long-running agents.

Official price
$5 / $25/ 1M tokensInput / output
Context window
1M tokens1,000,000
Notes
  • Anthropic protocol only: the Base URL has no /v1, and /v1/chat/completions returns 404.

Pricing

Official price in USD. Actual charge = official price × group multiplier.

Input
$5 / 1M tokens
Cached input
$0.50 / 1M tokens
Output
$25 / 1M tokens

Endpoints

Same family

Prices come from the public catalog; limits come from specs exported from the gateway’s validation code. Actual charge = official price × group multiplier.