Claude Sonnet 5.5 (batch)
anthropic/claude-sonnet-5.5:batch
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade.
Key facts
- Input price
- $1.00 / 1M tokens
- Output price
- $5.00 / 1M tokens
- Context window
- 1M tokens
- Max output
- 128K tokens
- Accepts
- Text, Images, Files
- Returns
- Text
Example: 1,000 requests with 1,000 input and 500 output tokens each would cost about $3.50 (1M input tokens × $1.00 + 0.5M output tokens × $5.00). Estimate your own usage.
Prices are the provider’s own per-token rates with zero markup, from our price list as of Oct 18, 2026. If a call has extra provider charges (images, audio, web search, cached prompts), you pay the reported cost.
Call it from your code
curl https://api.tokenctr.com/v1/chat/completions \
-H "Authorization: Bearer $TOKENCENTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "anthropic/claude-sonnet-5.5:batch", "messages": [{"role": "user", "content": "Hello!"}]}'Works with any OpenAI-compatible SDK: set the base URL to https://api.tokenctr.com/v1. Quickstart
Benchmarks
Artificial Analysis
- Intelligence index
- 56
Design Arena
| Category | Rank | Elo | Win rate |
|---|---|---|---|
| Models: Game dev | 1 | 1469 | 71.6% |
| Models: Data visualization | 2 | 1381 | 66.3% |
| Models: 3D | 3 | 1456 | 69.4% |
| Models: Code | 3 | 1366 | 60.4% |
| Models: UI components | 3 | 1379 | 63.7% |
| Models: Websites | 5 | 1331 | 56.3% |
Source: Artificial Analysis indexes and Design Arena results as published in OpenRouter’s model data, fetched Oct 15, 2026. Higher is better. Not measured by TokenCenter. See all rankings.