Muse Spark 1.3 Contributor
Muse Spark 1.3 Contributor is the cost-efficient contributor tier of Meta’s multimodal reasoning model for experimentation, learning, and early-stage agentic, multi-agent, and coding workflows. It is designed to track information across extended tasks, work through conflicting inputs, and request clarification or confirmation when needed. Prompts and outputs may be used to improve Meta’s products.
meta/muse-spark-1.3-contributor
- Context
- 1M tokens
- Completion cap
- 943,718
- Tools
- Yes
- JSON
- Yes
- Released
- 2026-09-02
Call it from Geek Hub
Same OpenAI SDK. Change the base URL and the model id.
curl https://api.geekhub.mx/v1/chat/completions \
-H "Authorization: Bearer $GEEKHUB_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "meta/muse-spark-1.3-contributor",
"messages": [{"role": "user", "content": "Hola"}]
}'Get an API keyFrequently asked questions
- What is Muse Spark 1.3 Contributor?
- Muse Spark 1.3 Contributor is the cost-efficient contributor tier of Meta’s multimodal reasoning model for experimentation, learning, and early-stage agentic, multi-agent, and coding workflows. It is designed to track information across extended tasks, work through conflicting inputs, and request clarification or confirmation when needed. Prompts and outputs may be used to improve Meta’s products. Muse Spark 1.3 Contributor runs on the Geek Hub API (OpenAI-compatible). Model id: meta/muse-spark-1.3-contributor.
- Is Muse Spark 1.3 Contributor free?
- No. Input is $0.109 per 1M tokens and output is $0.218 per 1M tokens on Geek Hub (markup included).
- What is the context length of Muse Spark 1.3 Contributor?
- Muse Spark 1.3 Contributor has a 1M tokens context window. It supports up to 943,718 completion tokens.
- Does Muse Spark 1.3 Contributor support tool calling and structured outputs?
- Muse Spark 1.3 Contributor accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.
- When was Muse Spark 1.3 Contributor released?
- Muse Spark 1.3 Contributor was released on 2026-09-02.
More models from Meta
Llama 3.3 70B InstructMeta Llama 3.3 70B via Meta Llama API (first-party). General chat and instruct.
Muse Spark 1.3Meta's new Muse line. Spark 1.3 for chat and instruct with a strong quality/cost balance.
Muse Glimmer 30BMuse Glimmer 30B is a dense, open-weight multimodal model from Meta Superintelligence Labs, distilled from Muse Spark and optimized for autonomous agents on consumer hardware. It i
Muse Spark 1.1Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, and PDF documents and returns text, with a 1M-token context windo
Muse Spark 1.2Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, and PDF documents, returns text, and offers a 1M-token context wi
Muse Spark 1.2 ContributorMuse Spark 1.2 contributor tier is a reasoning model from Meta designed for developers who want to start building at an even lower cost. It’s meaningfully cheaper than Muse Spark..