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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. Nova-3DeepgramRemove
  2. S1Fish AudioRemove
  3. DeepSeek V4.1 FlashDeepSeekRemove
  4. S2 ProFish AudioRemove

4 is the maximum. Remove one to add another.

nova-3 vs s1 vs deepseek-v4.1-flash vs s2-pro
AttributeNova-3nova-3S1s1DeepSeek V4.1 Flashdeepseek-v4.1-flashS2 Pros2-pro
Pricing
Input$0 / 1M$0 / 1M$0.30 / 1M$0 / 1M
Output$0 / 1M$0 / 1M$1.20 / 1M$0 / 1M
Cache Write (5m)Not applicableNot applicable$0.30 / 1MNot applicable
Cache Write (1h)Not applicableNot applicable$0.30 / 1MNot applicable
Cache ReadNot applicableNot applicable$0.30 / 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
ProviderDeepgramFish AudioDeepSeekFish Audio
Categoryvoicevoicechatvoice
Charge typePay As You GoPay As You GoPay As You GoPay As You Go
Released2026-07-152026-07-29—2026-07-29
Description
SummaryDeepgram Nova-3 speech-to-text. Billed per second of audio.Fish Audio S1 text-to-speech. Billed per UTF-8 byte of input text.DeepSeek V4.1 Flash is a cost-efficient sparse Mixture-of-Experts (MoE) model in DeepSeek's V4.1 family, optimized for coding, reasoning, and agentic workflows. Despite its efficiency-focused positioning, DeepSeek reports that it surpasses the previous V4 Pro in performance, inference speed, and overall task completion time. The model is particularly strong at long-horizon, multi-step execution, making it well suited for coding agents, complex problem solving, and autonomous workflows that must reliably carry tasks through to completion.Fish Audio S2 Pro text-to-speech. Billed per UTF-8 byte of input text.