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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. mai-ds-r1:freeNot in the catalogueRemove
  2. Muse Spark OpenMetaRemove
  3. Universal-3.5 ProAssemblyAIRemove
mai-ds-r1:free vs muse-spark-open vs universal-3-5-pro
Attributemai-ds-r1:freeNot in the catalogueMuse Spark Openmuse-spark-openUniversal-3.5 Prouniversal-3-5-pro
Pricing
Input—$1.25 / 1M— Not priced per input token
Output—$4.25 / 1M— Not priced per output token
Cache Write (5m)—$1.25 / 1MNot applicable
Cache Write (1h)—$1.25 / 1MNot applicable
Cache Read—$1.25 / 1MNot applicable
Web Search—$0 / 1M$0 / 1M
Context
Max context—1MN/A
Max output—N/AN/A
Capabilities
Vision—YesNo
Function Calling—YesNo
JSON Mode—YesNo
Streaming—YesNo
Catalogue
Provider—MetaAssemblyAI
Category—chatvoice
Charge type—Pay As You GoPay As You Go
Released——2026-09-22
Description
Summary—Muse Spark Open is an open-weight, coding-optimized model designed for agentic software engineering workflows. It delivers strong first-attempt accuracy, reliable tool calling, and deep codebase understanding, enabling effective development across real-world repositories. Optimized for autonomous coding agents, complex code navigation, and tool-driven development, Muse Spark Open is well suited for software engineering automation, debugging, code generation, and multi-step coding workflows where accuracy and reliable execution are essential.AssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.