Anthropic: Claude Sonnet 5.5 Thinking
Anthropic's Claude Sonnet 5.5 succeeds Sonnet 5 as the Claude 5.5 family's companion to Opus 5.5, for well-scoped everyday work. It covers coding, agents, documents and computer use, reads text and images, and has adjustable effort levels.
- Price per 1M tokens
- $3.00 / $15.00
- input / output
- Cached input
- $0.15
- per 1M tokens
- Context
- 1M tokens
- 128K max output
- Providers
- 2
Providers
Compare all 2 providers of Claude Sonnet 5.5 Thinking by price, speed and uptime, and call any of them through one OpenAI-compatible API.
Provider prices are what each provider charges. You pay the price above until pass-through billing starts; then you pay the provider's price directly.
1M context · 128K max output
- 1 more provider through partner hosts · from $2.10 in · $10.52 out
Per 1M tokens: the provider's own price. Speed and uptime show here once measured. “Requests go here” marks where a request that names no provider goes now. Logos are trademarks of their owners.
Price history
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API
curl https://api.opencheap.si/v1/chat/completions \
-H "Authorization: Bearer $OPENCHEAP_API_KEY" -H "Content-Type: application/json" \
-d '{ "model": "opencheap/claude-sonnet-5.5:thinking", "messages": [{ "role": "user", "content": "Hi" }] }'