Claude Sonnet 5.5 API
Call Claude Sonnet 5.5 through Wokey and review published catalog pricing, upstream-native API forms, context, and model capabilities.
- Model ID
claude-sonnet-5-5- Vendors
- anthropic
- Supply status
- Currently callable
Catalog pricing snapshot
Prices are per 1M tokens; request-time pricing controls settlement.
| Meter | Wokey | Official reference | Savings |
|---|---|---|---|
| Input | $0.3 | $2 | 85% |
| Output | $1.5 | $10 | 85% |
| Cache read | $0.03 | $0.2 | 85% |
| Cache write | $0.6 | $4 | 85% |
Official price source: https://www.anthropic.com/claude-sonnet-5-5
Model capabilities
- Context
- 1,000,000 tokens
- Max output
- 128,000 tokens
- Streaming
- Supported
- Tools
- Supported
- Vision
- Supported
- Supported API forms
/v1/messages
Send a request
/v1/messages
curl https://api.wokey.ai/v1/messages \
-H "x-api-key: $WOKEY_API_KEY" \
-H "anthropic-version: 2023-06-01" \
-H "Content-Type: application/json" \
-d '{"model":"claude-sonnet-5-5","max_tokens":1024,"messages":[{"role":"user","content":"Hello"}]}'Use Claude Sonnet 5.5 in your tools
The gateway is https://api.wokey.ai (OpenAI-compatible clients usually take https://api.wokey.ai/v1), and the model ID is claude-sonnet-5-5. Open the guide for the client you use.
- Use Claude Sonnet 5.5 in Claude Code: Anthropic Messages · base URL and API key setup
- Use Claude Sonnet 5.5 in Claude Desktop: Anthropic Messages · base URL and API key setup
- Claude API cost calculator: what Claude Sonnet 5.5 costs per month: Compare monthly cost on the Anthropic API, OpenRouter and Wokey for your usage and cache hit rate.
- OpenRouter alternative: Wokey vs OpenRouter: Compare token prices, payment fees, API forms, and upstream sources.
- Verifiable AI API: check a Claude Sonnet 5.5 response came from the official upstream: Which responses carry a tee.proof, and what a proof does and does not show.
- Verify a Claude Sonnet 5.5 response online: AI API relay verifier: Paste a response with its tee.proof and check it locally in your browser; nothing is uploaded.
Frequently asked questions
How much does the Claude Sonnet 5.5 API cost, and how much does it save versus the official API?
Wokey lists input at $0.3 per 1M tokens and output at $1.5 per 1M tokens; the official references are $2 and $10. That is 85% lower for input and 85% lower for output. Request-time pricing controls settlement, and the vendor pricing source is linked on this page.
What is the Claude Sonnet 5.5 API model ID?
The model ID for Claude Sonnet 5.5 on Wokey is claude-sonnet-5-5. Use it exactly as written in the request body's model field or in your client's model setting (for example ANTHROPIC_MODEL in Claude Code, or model in the Codex CLI config.toml); GET https://api.wokey.ai/v1/models also lists it.
Which API forms does Claude Sonnet 5.5 support, and how do I call it through Wokey?
Claude Sonnet 5.5 supports /v1/messages (Messages requests). Set the API base URL to https://api.wokey.ai, authenticate with a Wokey API key, and use the canonical model ID claude-sonnet-5-5; you can start with /v1/messages. The Send a request section includes a curl example for every supported API form.
How do I use Claude Sonnet 5.5 in Claude Code?
Claude Code calls Claude Sonnet 5.5 over /v1/messages. Set ANTHROPIC_BASE_URL="https://api.wokey.ai", ANTHROPIC_AUTH_TOKEN to your Wokey API key, and ANTHROPIC_MODEL="claude-sonnet-5-5", then start claude. Claude Desktop also uses /v1/messages; the setup guides cover both step by step.
What are the context window and maximum output for Claude Sonnet 5.5?
The catalog context window is 1,000,000 tokens and the maximum output is 128,000 tokens. These are separate limits, and a request must also satisfy the upstream constraints in effect when it is processed.
How are cache reads and cache writes priced for Claude Sonnet 5.5?
Cache read: Wokey lists $0.03 per 1M tokens and the official reference is $0.2 per 1M tokens. Cache write: Wokey lists $0.6 per 1M tokens and the official reference is $4 per 1M tokens.
How does calling Claude Sonnet 5.5 through Wokey differ from OpenRouter?
Wokey lists Claude Sonnet 5.5 at $0.3 input / $1.5 output per 1M tokens, against an official reference of $2 / $10. OpenRouter states it adds no markup on inference and charges its fee when you buy credits (5.5% by card). Wokey carries a curated set of models and has no per-provider routing parameters, so OpenRouter fits better if you need a wider catalog. The OpenRouter alternative page has the full comparison.
How do Claude Sonnet 5.5 and Claude Sonnet 5 differ in price and context?
In the published price comparison, Claude Sonnet 5.5 lists input/output at $0.3 / $1.5 with a 1,000,000-token context window; Claude Sonnet 5 lists $0.3 / $1.5 with a 1,000,000-token context window. This is a factual price-and-capacity comparison, not a quality ranking; also compare their supported API forms and capabilities.
Related models and documentation
Get API key · claude-sonnet-5-5