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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 AstraOpenAIRemove
  2. Gemini 3.5 TranscribeGoogleRemove
  3. Perceptron Mk1.5PerceptronRemove
  4. Transcribe 1 ProFish AudioRemove

4 is the maximum. Remove one to add another.

gpt-6-astra vs gemini-3.5-transcribe vs perceptron-mk1.5 vs transcribe-1-pro
AttributeGPT-6 Astragpt-6-astraGemini 3.5 Transcribegemini-3.5-transcribePerceptron Mk1.5perceptron-mk1.5Transcribe 1 Protranscribe-1-pro
Pricing
Input$10.00 / 1M$0 / 1M$0.15 / 1M$0 / 1M
Output$50.00 / 1M$0 / 1M$1.50 / 1M$0 / 1M
Cache Write (5m)$10.00 / 1MNot applicable$0.15 / 1MNot applicable
Cache Write (1h)$10.00 / 1MNot applicable$0.15 / 1MNot applicable
Cache Read$10.00 / 1MNot applicable$0.15 / 1MNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max context1M98.3K36.9KN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionYesYesNoNo
Function CallingYesYesNoNo
JSON ModeYesNoNoNo
StreamingYesNoYesNo
Catalogue
ProviderOpenAIGooglePerceptronFish Audio
Categorychatvoicechatvoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released—2026-09-252026-09-252026-09-24
Description
SummaryGPT-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.Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Fish Audio Transcribe 1 Pro speech-to-text with speaker labels; transcripts include speaker tags such as <|speaker:0|>. Billed per second of audio.