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Compare models

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

  1. Hy4 previewTencentRemove
  2. Muse Spark OpenMetaRemove
  3. mai-ds-r1:freeNot in the catalogueRemove
  4. Perceptron Mk1.5PerceptronRemove

4 is the maximum. Remove one to add another.

hy4-preview vs muse-spark-open vs mai-ds-r1:free vs perceptron-mk1.5
AttributeHy4 previewhy4-previewMuse Spark Openmuse-spark-openmai-ds-r1:freeNot in the cataloguePerceptron Mk1.5perceptron-mk1.5
Pricing
Input$0.834 / 1M$1.25 / 1M—$0.15 / 1M
Output$2.50 / 1M$4.25 / 1M—$1.50 / 1M
Cache Write (5m)$0.834 / 1M$1.25 / 1M—$0.15 / 1M
Cache Write (1h)$0.834 / 1M$1.25 / 1M—$0.15 / 1M
Cache Read$0.834 / 1M$1.25 / 1M—$0.15 / 1M
Web Search$0 / 1M$0 / 1M—$0 / 1M
Context
Max context1M1M—36.9K
Max outputN/AN/A—N/A
Capabilities
VisionYesYes—No
Function CallingYesYes—No
JSON ModeYesYes—No
StreamingYesYes—Yes
Catalogue
ProviderTencentMeta—Perceptron
Categorychatchat—chat
Charge typePay As You GoPay As You Go—Pay As You Go
Released———2026-09-25
Description
SummaryTencent Hy4 Preview is a Mixture-of-Experts (MoE) model from Tencent, featuring 770B total parameters with 49B activated per token. It is designed for coding agents, complex tool-driven workflows, and professional productivity tasks that require strong planning and reliable execution. Optimized for context continuity and sustained multi-step work, Hy4 Preview is well suited for long-horizon coding, agentic automation, tool orchestration, and complex real-world workflows.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.—Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.