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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. Aura-2DeepgramRemove
  2. Claude Sonnet 5.5AnthropicRemove
  3. Transcribe 1 ProFish AudioRemove
  4. S1Fish AudioRemove

4 is the maximum. Remove one to add another.

aura-2 vs claude-sonnet-5.5 vs transcribe-1-pro vs s1
AttributeAura-2aura-2Claude Sonnet 5.5claude-sonnet-5.5Transcribe 1 Protranscribe-1-proS1s1
Pricing
Input$0 / 1M$2.00 / 1M$0 / 1M$0 / 1M
Output$0 / 1M$10.00 / 1M$0 / 1M$0 / 1M
Cache Write (5m)Not applicable$2.50 / 1MNot applicableNot applicable
Cache Write (1h)Not applicable$4.00 / 1MNot applicableNot applicable
Cache ReadNot applicable$0.20 / 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
ProviderDeepgramAnthropicFish AudioFish Audio
Categoryvoicechatvoicevoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-16—2026-09-242026-07-29
Description
SummaryDeepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character.Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, serving as a direct upgrade to Sonnet 5. It excels at feature development, bug fixing, and creating polished documents, presentations, and spreadsheets, while offering clearer writing and communication than its predecessor.Fish Audio Transcribe 1 Pro speech-to-text with speaker labels; transcripts include speaker tags such as <|speaker:0|>. Billed per second of audio.Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.