Skip to content

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. Perceptron Mk1.5PerceptronRemove
  2. Muse Spark OpenMetaRemove
  3. Kimi K3.1 ProMoonShot AIRemove
  4. GPT-6 AstraOpenAIRemove

4 is the maximum. Remove one to add another.

perceptron-mk1.5 vs muse-spark-open vs kimi-k3.1-pro vs gpt-6-astra
AttributePerceptron Mk1.5perceptron-mk1.5Muse Spark Openmuse-spark-openKimi K3.1 Prokimi-k3.1-proGPT-6 Astragpt-6-astra
Pricing
Input$0.15 / 1M$1.25 / 1M$2.00 / 1M$10.00 / 1M
Output$1.50 / 1M$4.25 / 1M$10.00 / 1M$50.00 / 1M
Cache Write (5m)$0.15 / 1M$1.25 / 1M$2.00 / 1M$10.00 / 1M
Cache Write (1h)$0.15 / 1M$1.25 / 1M$2.00 / 1M$10.00 / 1M
Cache Read$0.15 / 1M$1.25 / 1M$2.00 / 1M$10.00 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max context36.9K1M1M1M
Max outputN/AN/AN/AN/A
Capabilities
VisionNoYesYesYes
Function CallingNoYesYesYes
JSON ModeNoYesYesYes
StreamingYesYesYesYes
Catalogue
ProviderPerceptronMetaMoonShot AIOpenAI
Categorychatchatchatchat
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-09-25———
Description
SummaryPerceptron 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.Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model, building on Kimi K3 with enhanced post-training for advanced reasoning and autonomous task execution. It features a 1M-token context window and native image and video understanding, enabling complex, long-context multimodal workflows. Optimized for long-horizon coding, 3D creation, financial research, and end-to-end agentic knowledge work, Kimi K3.1 Pro is well suited for autonomous software engineering, multimodal analysis, and complex professional workflows that require sustained reasoning and reliable execution.GPT-6 Astra is OpenAI's flagship model for demanding end-to-end professional work, designed for advanced analysis, software engineering, deep research, scientific tasks, and document creation. It is particularly strong in long-horizon agentic workflows, including tasks that require sustained reasoning, tool orchestration, and computer and browser use, making it well suited for complex autonomous workflows and production-grade knowledge work.