Muse Spark 1.3
Muse Spark 1.3 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
Explore Muse Spark 1.3 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses through the unified API. Supported interfaces and current availability are shown below.
- OpenAI-style Chat Completions
- Anthropic-style Messages
- OpenAI-style Responses
Model details
- Context window
- 1.0M tokens
- Max output
- 1.0M tokens
- Input
- Text, images
- Output
- Text
- Capabilities
- Reasoning, Vision, Tool calling, Streaming, JSON output
- Interfaces
- OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses
Pricing
Per 1M tokens. The Cloakray price is what you are charged — no gateway fee is added on top of it.
| Metric | Price |
|---|---|
| Input | $1.25 |
| Cached input | $0.15 |
| Output | $4.25 |
Why teams pick it
- Muse Spark 1.3 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
Call Muse Spark 1.3
Muse Spark 1.3 answers on any of the APIs below — pick the one your code already speaks and just swap in your Cloakray key.
/v1/chat/completionsOpenAI-style Chat Completions · openai SDK or plain HTTP
curl https://api.cloakray.com/v1/chat/completions \
-H "Authorization: Bearer ckr_..." \
-H "Content-Type: application/json" \
-d '{
"model": "muse-spark-1.3",
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'/v1/messagesAnthropic-style Messages · @anthropic-ai/sdk SDK or plain HTTP
curl https://api.cloakray.com/v1/messages \
-H "Authorization: Bearer ckr_..." \
-H "Content-Type: application/json" \
-d '{
"model": "muse-spark-1.3",
"max_tokens": 1024,
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'/v1/responsesOpenAI-style Responses · openai SDK or plain HTTP
curl https://api.cloakray.com/v1/responses \
-H "Authorization: Bearer ckr_..." \
-H "Content-Type: application/json" \
-d '{
"model": "muse-spark-1.3",
"input": "Hello"
}'Conversation compaction is also available at POST /v1/responses/compact.
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