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Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. 1,000,000 token context window, maximum output of 128,000 tokens. Higher uptime with 5 providers. Includes independent benchmarks from Artificial Analysis.
chatstreamingvisionpdftoolsjson mode
Details
- Accepts
- text
- Context window
- 1M tokens
Pricing
- Input
- 500 cr / 1M tokens
- Output
- 2500 cr / 1M tokens
- Cached input
- 25 cr / 1M tokens
- Cache write (5m)
- 625 cr / 1M tokens
- Cache write (1h)
- 1000 cr / 1M tokens
Prices in credits (1 credit = $0.01).
Data schema
approximateInput
| Field | Type | Description |
|---|---|---|
| promptrequired | string | The text prompt. |
Output
| Field | Type | Description |
|---|---|---|
| text | string | Generated text (choices[0].message.content). |