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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. GPT-4o Audio PreviewOpenAIRemove
  2. Muse Spark OpenMetaRemove
gpt-4o-audio-preview vs muse-spark-open
AttributeGPT-4o Audio Previewgpt-4o-audio-previewMuse Spark Openmuse-spark-open
Pricing
Input$0.875 / 1M$1.25 / 1M
Output$3.50 / 1M$4.25 / 1M
Cache Write (5m)Not applicable$1.25 / 1M
Cache Write (1h)Not applicable$1.25 / 1M
Cache ReadNot applicable$1.25 / 1M
Web Search$0 / 1M$0 / 1M
Context
Max context128K1M
Max outputN/AN/A
Capabilities
VisionNoYes
Function CallingNoYes
JSON ModeNoYes
StreamingYesYes
Catalogue
ProviderOpenAIMeta
Categoryvoicechat
Charge typePay As You GoPay As You Go
Released——
Description
Summarygpt-4o-audio-preview adds support for audio inputs, allowing the model to understand nuances in audio recordings and enrich responses. It currently does not generate audio outputs, and audio input is billed per million audio tokens.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.