Muse Spark 1.2 Contributor API

Model details

Context window

1.0M tokens

Max output

131K 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

Why teams pick it

• Muse Spark 1.2 Contributor for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.

Call Muse Spark 1.2 Contributor

Muse Spark 1.2 Contributor answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.

curl https://api.inferray.com/v1/chat/completions \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "muse-spark-1.2-contributor",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'

curl https://api.inferray.com/v1/messages \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "muse-spark-1.2-contributor",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'

curl https://api.inferray.com/v1/responses \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "muse-spark-1.2-contributor",
  "input": "Hello"
}'

Use Muse Spark 1.2 Contributor in your tools

Every coding agent below has a setup guide. Set the model to muse-spark-1.2-contributor.

• Claude Code
• Codex
• opencode
• Cline
• Roo Code
• Aider
• Continue

More from Meta

Alternatives to Muse Spark 1.2 Contributor

• Seed 1.6 Flash (250715)Seed 1.6 Flash (250715) for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.ByteDance
• Hy-MT2 PlusHy-MT2 Plus for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Tencent Cloud
• GLM-4.6V FlashXGLM-4.6V FlashX for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Z.ai

Questions about this model

How much does the Muse Spark 1.2 Contributor API cost?

Muse Spark 1.2 Contributor costs $0.1 per 1M input tokens and $0.2 per 1M output tokens on Inferray, and cached input is $0.002 per 1M. That is the list price, with no gateway fee on top.

Is there a free tier for Muse Spark 1.2 Contributor?

No. You add credit and pay Muse Spark 1.2 Contributor's list rate for each request — seats, projects, and API keys are free, and pay-as-you-go credit never expires.

Am I charged for failed requests?

No. A request that fails without returning a result is not billed. If a response fails part-way, the tokens already processed before the failure are charged.

Is Muse Spark 1.2 Contributor included in Token Plans?

No. Muse Spark 1.2 Contributor is pay-as-you-go only; Token Plans cover the other text models in the catalog.

Can I use Muse Spark 1.2 Contributor in Claude Code?

Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to muse-spark-1.2-contributor. The same key works in Codex, opencode, Cline, and other agents.

Does Muse Spark 1.2 Contributor support tool calling and vision?

Muse Spark 1.2 Contributor supports tool calling, image input, reasoning, JSON output and streaming on Inferray.

Is it the real Muse Spark 1.2 Contributor?

Yes. A request for muse-spark-1.2-contributor is answered by Muse Spark 1.2 Contributor from Meta, billed at its published list price. Inferray never substitutes a different or smaller model.