Anthropic

Claude Sonnet 5 Thinking

Claude Sonnet 5 Thinking by Anthropic through the RelaySwitch API: $0.2865 per million input tokens, $1.4324 per million output tokens. Pay by card or crypto (Card, Apple Pay, PayPal, USDT, USDC, BTC, ETH, SOL). No KYC.

Input / M$0.2865per million tokens
Cached input / M$0.0286per million tokens
Output / M$1.4324per million tokens

Specs

Model id
claude-sonnet-5-thinking
Developer
Anthropic
Context window
not published
Max output
not published
Input
text

Call it

bash
1curl https://api.relayswitch.io/v1/chat/completions \
2 -H "Authorization: Bearer $RELAYSWITCH_KEY" \
3 -H "Content-Type: application/json" \
4 -d '{
5 "model": "claude-sonnet-5-thinking",
6 "messages": [{"role": "user", "content": "Hello"}]
7 }'

Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to claude-sonnet-5-thinking. Get a key or read the docs.

FAQs

Claude Sonnet 5 Thinking: questions

Payment, keys and billing in short.

Open the console

A key in under a minute

Get a key

Or email hello@relayswitch.io

Run Claude Sonnet 5 Thinking today

Top up by card or crypto and send "claude-sonnet-5-thinking".