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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. GPT-6 Astra ProOpenAIRemove
  2. Qwen3.8 27BAlibabaRemove
  3. Perceptron Mk1.5PerceptronRemove
  4. Muse Spark OpenMetaRemove

4 is the maximum. Remove one to add another.

gpt-6-astra-pro vs qwen3.8-27b vs perceptron-mk1.5 vs muse-spark-open
AttributeGPT-6 Astra Progpt-6-astra-proQwen3.8 27Bqwen3.8-27bPerceptron Mk1.5perceptron-mk1.5Muse Spark Openmuse-spark-open
Pricing
Input$10.00 / 1M$0.45 / 1M$0.15 / 1M$1.25 / 1M
Output$50.00 / 1M$3.20 / 1M$1.50 / 1M$4.25 / 1M
Cache Write (5m)$10.00 / 1M$0.45 / 1M$0.15 / 1M$1.25 / 1M
Cache Write (1h)$10.00 / 1M$0.45 / 1M$0.15 / 1M$1.25 / 1M
Cache Read$10.00 / 1M$0.45 / 1M$0.15 / 1M$1.25 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max context1M262K36.9K1M
Max outputN/AN/AN/AN/A
Capabilities
VisionYesYesNoYes
Function CallingYesYesNoYes
JSON ModeYesYesNoYes
StreamingYesYesYesYes
Catalogue
ProviderOpenAIAlibabaPerceptronMeta
Categorychatchatchatchat
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released——2026-09-25—
Description
SummaryGPT-6 Astra Pro uses the same underlying model as GPT-6 Astra, but runs with reasoning.mode set to pro for higher-quality responses on complex tasks. Optimized for deeper reasoning, greater accuracy, and more reliable multi-step execution, it is well suited for demanding coding, analysis, and agentic workflows where solution quality takes priority over speed and cost.Qwen3.8 27B is an open-weight dense vision-language model from Qwen, designed for coding, professional knowledge work, research, and multimodal interaction. It combines strong text and visual understanding with capabilities optimized for sustained, real-world agentic tasks. The model supports flexible thinking modes that can be enabled for deeper reasoning or disabled for faster execution, making it well suited for long-running agents, multimodal workflows, coding assistants, and cost-conscious self-hosted deployments.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.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.