Anthropic · claude-opus-5
Claude Opus 5 API pricing
Use Claude Opus 5 by Anthropic through Keyino for 6.0% of the official price. One API key, OpenAI-compatible and native Anthropic endpoints, pay as you go. Save 94%
| Per 1M tokens | Keyino | Official |
|---|---|---|
| Input | $0.2979 | $5.00 |
| Output | $1.49 | $25.00 |
| Cache read | $0.0296 | — |
Example cost
Reading 1M tokens and writing 100K tokens with Claude Opus 5 costs about $0.4467 on Keyino, versus $7.50 at the official price.
Quick start
Create an API key at keyino.cc, then point your client to Keyino:
export ANTHROPIC_BASE_URL=https://api.keyino.cc
export ANTHROPIC_AUTH_TOKEN=sk-your-key
claude --model claude-opus-5FAQ
Is this the real Claude Opus 5?
Yes. Requests are relayed to upstream providers serving Claude Opus 5; Keyino does not substitute other models. Usage, tokens and cost for every request are visible in your usage logs.
How do I pay?
Keyino is prepaid in US dollars. Top up with USDT at 1 USDT = $1. Failed requests are not charged and your balance never expires.
Is there free credit?
New accounts get $1 free credit, enough for about 3M Claude Opus 5.5 input tokens.
Prices updated 2026-10-09. Long-context requests may be billed at a higher tier where the official price does.