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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. Nova-3DeepgramRemove
  2. Universal-3.5 ProAssemblyAIRemove
  3. Claude Sonnet 5.5AnthropicRemove
  4. Aura-2DeepgramRemove

4 is the maximum. Remove one to add another.

nova-3 vs universal-3-5-pro vs claude-sonnet-5.5 vs aura-2
AttributeNova-3nova-3Universal-3.5 Prouniversal-3-5-proClaude Sonnet 5.5claude-sonnet-5.5Aura-2aura-2
Pricing
Input$0 / 1M$0 / 1M$2.00 / 1M$0 / 1M
Output$0 / 1M$0 / 1M$10.00 / 1M$0 / 1M
Cache Write (5m)Not applicableNot applicable$2.50 / 1MNot applicable
Cache Write (1h)Not applicableNot applicable$4.00 / 1MNot applicable
Cache ReadNot applicableNot applicable$0.20 / 1MNot applicable
Web Search$0 / 1M$0 / 1M$0 / 1M$0 / 1M
Context
Max contextN/AN/A1MN/A
Max outputN/AN/AN/AN/A
Capabilities
VisionNoNoYesNo
Function CallingNoNoYesNo
JSON ModeNoNoYesNo
StreamingNoNoYesNo
Catalogue
ProviderDeepgramAssemblyAIAnthropicDeepgram
Categoryvoicevoicechatvoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-152026-09-22—2026-07-16
Description
SummaryDeepgram Nova-3 speech-to-text. Billed per second of audio.AssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.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.Deepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character.