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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. Perceptron Mk1.5PerceptronRemove
  2. MAI-Transcribe 2MicrosoftRemove
  3. S1Fish AudioRemove
  4. GPT-6 AstraOpenAIRemove

4 is the maximum. Remove one to add another.

perceptron-mk1.5 vs mai-transcribe-2 vs s1 vs gpt-6-astra
AttributePerceptron Mk1.5perceptron-mk1.5MAI-Transcribe 2mai-transcribe-2S1s1GPT-6 Astragpt-6-astra
Pricing
Input$0.15 / 1M$0 / 1M$0 / 1M$10.00 / 1M
Output$1.50 / 1M$0 / 1M$0 / 1M$50.00 / 1M
Cache Write (5m)$0.15 / 1MNot applicableNot applicable$10.00 / 1M
Cache Write (1h)$0.15 / 1MNot applicableNot applicable$10.00 / 1M
Cache Read$0.15 / 1MNot applicableNot applicable$10.00 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max context36.9KN/AN/A1M
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoNoYes
Function CallingNoNoNoYes
JSON ModeNoNoNoYes
StreamingYesNoNoYes
Catalogue
ProviderPerceptronMicrosoftFish AudioOpenAI
Categorychatvoicevoicechat
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-09-252026-09-032026-07-29—
Description
SummaryPerceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Microsoft MAI-Transcribe-2 speech-to-text. Billed per second of audio.Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.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.