Providers & pricing
| Provider | Input | Output | Free tier |
|---|---|---|---|
 Anthropic Default | 1507.1 RODI/M~2.00 USD/M | 7535.4 RODI/M | — |
 AWS | 1507.1 RODI/M~2.00 USD/M | 7535.4 RODI/M | — |
Pricing
| Rate | RODI | USD (ref.) | Unit |
|---|---|---|---|
| In | 1507.1 | ~ 2.00 | USD/M · RODI/M |
| Out | 7535.4 | ~ 10.00 | USD/M · RODI/M |
| Cached | 150.8 | ~ 0.200 | USD/M · RODI/M |
RODI prices include RodiumAi markup and upstream fees. USD figures are wholesale reference rates.
Capabilities
Streaming
Tool calling
Vision
JSON mode
Reasoning
About this model
Claude Sonnet 5.5 is Anthropic's fast frontier Sonnet for production chat, coding, and agents. It supports text, image, and document inputs with text output. Adaptive thinking is on by default, with effort levels from low through max. Context window is 1M tokens and max output is 128K.
API usage
Native Anthropic Messages API — use client.messages() or the anthropic package.
RodiumAi SDK
Use messages() for Anthropic-native payloads; OpenAI chat mode remains available below.
…Compatible SDKs (OpenAI / Anthropic packages)
…Anthropic POST /v1/messages — anthropic package + base_url https://api.rodiumai.io.
…