Meta: Muse Spark 1.3

Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...

muse-spark-1.3

Pricing

~90%

Input: $0.125 / 1,000,000 tokens
Output: $0.425 / 1,000,000 tokens
Cache read: $0.015 / 1,000,000 tokens
Cache write: $0.125 / 1,000,000 tokens

How pricing works

Discount history

90%Nov 8, 03:56 AM UTC

Nov 7, 11:57 PMNov 8, 03:56 AM UTC

Model details

Input: text, image, video, file, audio
Output: text
Context window: 1,048,576 tokens
Maximum output: 524,288 tokens
Availability: Uncapped capacity
Updated: 11/8/2026, 3:58:06 AM UTC

Capacity is reserved when your request is accepted.

Capabilities

ChatStreamingWeb searchVisionTool callingReasoningJSON mode

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortrepetition_penaltyresponse_formatstructured_outputstemperaturetool_choicetoolstop_ktop_p