Claude Sonnet 5.5 API - Low-Cost Access Guide

Claude Sonnet 5.5 is a Claude-series LLM by Anthropic. Access it via TokenDos with pay-per-token billing, input from 0.0000536316 USD/1K tokens — no VPN required, typically well below official pricing.

Official input (per 1M tokens)$2
Rate (vs official)0.18x
Provider nodes3

Rate = site price in CNY / official catalog price = (site price in USD * FX) / catalog price; single value, 1.0x = at official price.

Claude Sonnet 5.5 Live Node Pricing

Provider nodeInput / 1K tokensOutput / 1K tokens
Node #3520.0005955148 USD0.0029775738 USD
Node #2500.0003574326 USD0.0017871629 USD
Node #530.0000536316 USD0.0002681582 USD

Claude Sonnet 5.5 Pelican Test: Artwork Comparison by Provider

TokenDos periodically asks every provider node to paint the same prompt (a pelican riding a bicycle) with this model. Below are the latest artworks from each provider's scheduled audit — same prompt, independently drawn, so quality differences are easy to see.

Only scheduled audit results are shown; opted-out or failed providers are omitted. Data updated on 2026-10-08.

Pelican test artwork by XW-Claude for Claude Sonnet 5.5
XW-Claude · 车筐里放一条鱼 · 2026-10-08
Pelican test artwork by UM-ClaudePro for Claude Sonnet 5.5
UM-ClaudePro · 戴一顶红色帽子 · 2026-10-07

See all providers and run a live test in the marketplace

Claude Sonnet 5.5 Use Cases

Three steps to access Claude Sonnet 5.5

  1. Register a TokenDos account and get your API key (free trial credits for new users)
  2. Set environment variables: OPENAI_BASE_URL=https://api.tokendos.com/v1, OPENAI_API_KEY=your-token-dos-key
  3. Call Claude Sonnet 5.5 from Codex CLI or any compatible SDK

View Claude Sonnet 5.5 live pricing