Vertex AILLMAvailable now
Vertex AIanthropic/claude-opus-5.5
anthropic/claude-opus-5.5 is an LLM tool from Vertex AI that runs in the background and returns text and structured JSON. One API key runs it alongside every other tool.
Try itPriced by usage
Pricing
Up to $0.10686 per run at the default inputs.
Limits
- Runs
- In the background
- Returns
- text, json
- Longest queue wait
- 3600s
- Run deadline
- 1800s
- Largest inline input
- 1024 KB
- Largest input file
- 500 MB
- Largest output
- 4768 MB
- Outputs per run
- 16
Input
| Field | Kind | Default | Description |
|---|---|---|---|
messages required | JSON | — | The conversation so far, oldest first. |
seed | number (whole) | — | |
stop | JSON | — | |
min_p | number | — | |
tools | JSON | — | |
top_k | number (whole) | — | |
top_p | number | — | |
logprobs | true or false | — | |
reasoning | JSON | — | Reasoning effort; reasoning tokens count toward max_tokens. |
max_tokens | number (whole) 1 to … | — | The most output tokens to generate. |
temperature | number | — | |
tool_choice | JSON | — | |
top_logprobs | number (whole) | — | |
response_format | JSON | — | |
presence_penalty | number | — | |
frequency_penalty | number | — | |
repetition_penalty | number | — | |
parallel_tool_calls | true or false | — |
Same request in code
curl https://api.spiral.ai/v1/runs \
-H "Authorization: Bearer $SPIRAL_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"provider": "vertex",
"model": "anthropic/claude-opus-5.5",
"input": {
"messages": {}
}
}'