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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. MAI-Transcribe 2MicrosoftRemove
  2. GPT-6 AstraOpenAIRemove
  3. Perceptron Mk1.5PerceptronRemove
  4. S2 ProFish AudioRemove

4 is the maximum. Remove one to add another.

mai-transcribe-2 vs gpt-6-astra vs perceptron-mk1.5 vs s2-pro
AttributeMAI-Transcribe 2mai-transcribe-2GPT-6 Astragpt-6-astraPerceptron Mk1.5perceptron-mk1.5S2 Pros2-pro
Pricing
Input$0 / 1M$10.00 / 1M$0.15 / 1M$0 / 1M
Output$0 / 1M$50.00 / 1M$1.50 / 1M$0 / 1M
Cache Write (5m)Not applicable$10.00 / 1M$0.15 / 1MNot applicable
Cache Write (1h)Not applicable$10.00 / 1M$0.15 / 1MNot applicable
Cache ReadNot applicable$10.00 / 1M$0.15 / 1MNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/A1M36.9KN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoYesNoNo
Function CallingNoYesNoNo
JSON ModeNoYesNoNo
StreamingNoYesYesNo
Catalogue
ProviderMicrosoftOpenAIPerceptronFish Audio
Categoryvoicechatchatvoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-09-03—2026-09-252026-07-29
Description
SummaryMicrosoft MAI-Transcribe-2 speech-to-text. Billed per second of audio.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.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Fish Audio S2 Pro text-to-speech. Billed per UTF-8 byte of input text.