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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. Grok STT 1.0xAIRemove
  2. Perceptron Mk1.5PerceptronRemove
  3. Gemini 3.5 TranscribeGoogleRemove
  4. GPT-6 AstraOpenAIRemove

4 is the maximum. Remove one to add another.

grok-stt-1.0 vs perceptron-mk1.5 vs gemini-3.5-transcribe vs gpt-6-astra
AttributeGrok STT 1.0grok-stt-1.0Perceptron Mk1.5perceptron-mk1.5Gemini 3.5 Transcribegemini-3.5-transcribeGPT-6 Astragpt-6-astra
Pricing
Input$0 / 1M$0.15 / 1M$0 / 1M$10.00 / 1M
Output$0 / 1M$1.50 / 1M$0 / 1M$50.00 / 1M
Cache Write (5m)Not applicable$0.15 / 1MNot applicable$10.00 / 1M
Cache Write (1h)Not applicable$0.15 / 1MNot applicable$10.00 / 1M
Cache ReadNot applicable$0.15 / 1MNot applicable$10.00 / 1M
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/A36.9K98.3K1M
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoYesYes
Function CallingNoNoYesYes
JSON ModeNoNoNoYes
StreamingNoYesNoYes
Catalogue
ProviderxAIPerceptronGoogleOpenAI
Categoryvoicechatvoicechat
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-232026-09-252026-09-25—
Description
SummaryxAI Grok STT 1.0 speech-to-text. Billed per second of audio.Perceptron Mk1.5 chat model that accepts audio input. Audio and text input are billed per token.Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.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.