Muse Spark 1.3
NewPremiumMeta's latest multimodal reasoning model for long-running agentic, multi-agent, and coding workflows.
1M-token context that accepts text, images, video, and PDFs. Built to keep track of information across extended tasks, work through conflicting inputs, and request clarification or confirmation when needed, with an emphasis on concise execution.
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Muse Spark 1.3 is somewhat expensive at $1.25/M tokens input and $4.25/M tokens output. Cached input reads are priced at $0.15/M tokens, making repeated context cheaper. The model supports vision/image input, extended reasoning, a 1M context window.
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Compare with
GPT 6 Astravs Muse Spark 1.3GPT 5.6 Lunavs Muse Spark 1.3
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Nemotron 3 Ultravs Muse Spark 1.3Frequently Asked Questions about Muse Spark 1.3▼
When was Muse Spark 1.3 released?
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Muse Spark 1.3 was released on September 2, 2026.
Who created Muse Spark 1.3?
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Muse Spark 1.3 was created by Meta Superintelligence Labs.
How much does Muse Spark 1.3 cost?
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Muse Spark 1.3 costs $1.25/M input tokens and $4.25/M output tokens.
What is Muse Spark 1.3 API pricing?
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The Muse Spark 1.3 API is priced at $1.25 per million input tokens and $4.25 per million output tokens. You can access Muse Spark 1.3 through idapt.app alongside 200+ other AI models in one workspace.
Is Muse Spark 1.3 a reasoning model?
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Yes, Muse Spark 1.3 is a reasoning model. It can think step-by-step through complex problems before providing an answer, often yielding better results on difficult tasks like math, coding, and multi-step logic.
Does Muse Spark 1.3 support image or vision input?
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Yes, Muse Spark 1.3 supports vision/image input. You can share images in your conversation and the model will analyze and respond based on their content.
Does Muse Spark 1.3 support audio?
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No, Muse Spark 1.3 does not support audio input.
What is the context window of Muse Spark 1.3?
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Muse Spark 1.3 has a context window of 1M tokens, meaning it can process approximately 786,432 words of context at once.
Is Muse Spark 1.3 open source?
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Muse Spark 1.3 is a proprietary model developed by Meta Superintelligence Labs. The model weights and training data are not publicly available.
What is Muse Spark 1.3 good at?
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Based on benchmark data, Muse Spark 1.3 excels at: visual analysis and image understanding. It is Meta Superintelligence Labs's capable model suitable for a wide range of tasks.
Where can I use Muse Spark 1.3?
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You can chat with Muse Spark 1.3 on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access Muse Spark 1.3 through Meta Superintelligence Labs's own API or platform.