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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. Muse Spark OpenMetaRemove
  2. Gemini 3.1 Flash Lite Image (Google Vertex AI)GoogleRemove
  3. GPT TranscribeOpenAIRemove
muse-spark-open vs gemini-3.1-flash-lite-image-vertex vs gpt-transcribe
AttributeMuse Spark Openmuse-spark-openGemini 3.1 Flash Lite Image (Google Vertex AI)gemini-3.1-flash-lite-image-vertexGPT Transcribegpt-transcribe
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 applicableNot applicable
Cache Write (1h)$1.25 / 1MNot applicableNot applicable
Cache Read$1.25 / 1MNot applicableNot applicable
Web Search$0 / 1M—$0 / 1M
Request—$0.0336 / request—
Billing—Pay Per Request—
Context
Max context1MN/AN/A
Max outputN/AN/AN/A
Capabilities
VisionYesYesNo
Function CallingYesNoNo
JSON ModeYesNoNo
StreamingYesNoNo
Catalogue
ProviderMetaGoogleOpenAI
Categorychatimagevoice
Charge typePay As You GoPay Per RequestPay As You Go
Released——2026-08-05
Description
SummaryMuse 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.Gemini 3.1 Flash Lite Image served from Google Vertex AI. Billed per image at US$0.0336. Call it through /v1/chat/completions with stream set to false; the image is returned in the message content as a base64 data URI. Maximum output resolution is 1K. A request for a larger size returns a 1K image with the same aspect ratio at the same price. When a size is reduced, the response carries an X-Image-Resolution-Capped header with the requested and delivered size.OpenAI GPT Transcribe speech-to-text. Billed per second of audio.