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Apertis

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. S1Fish AudioRemove
  2. GPT-6 AstraOpenAIRemove
  3. Nova-3DeepgramRemove
  4. Voxtral Small 24B 2507 STTMistral AIRemove

4 is the maximum. Remove one to add another.

s1 vs gpt-6-astra vs nova-3 vs voxtral-small-24b-2507-stt
AttributeS1s1GPT-6 Astragpt-6-astraNova-3nova-3Voxtral Small 24B 2507 STTvoxtral-small-24b-2507-stt
Pricing
Input$0 / 1M$10.00 / 1M$0 / 1M$0 / 1M
Output$0 / 1M$50.00 / 1M$0 / 1M$0 / 1M
Cache Write (5m)Not applicable$10.00 / 1MNot applicableNot applicable
Cache Write (1h)Not applicable$10.00 / 1MNot applicableNot applicable
Cache ReadNot applicable$10.00 / 1MNot applicableNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/A1MN/AN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoYesNoNo
Function CallingNoYesNoNo
JSON ModeNoYesNoNo
StreamingNoYesNoNo
Catalogue
ProviderFish AudioOpenAIDeepgramMistral AI
Categoryvoicechatvoicevoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-29—2026-07-152026-08-13
Description
SummaryFish 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.Deepgram Nova-3 speech-to-text. Billed per second of audio.Mistral AI Voxtral Small (24B) speech-to-text. Billed per second of audio.