Compare

Aura-2-EN vs Aura-2-ES

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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Aura-2-EN
deepgram/aura-2-en
Aura-2-ES
deepgram/aura-2-es
Provider
Deepgram
Deepgram
Family
Aura
Aura
Modality
audio-tts
audio-tts
Context window
Max output
Released
2025-10-09
2025-10-09
License
Proprietary
Proprietary
Per 1K chars
$0.030 /1K ch
$0.012 /1K ch
Tools
Streaming
yes
yes
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
View model →
View model →
Aura-2-EN
deepgram/aura-2-en
Full spec →

Aura-2 is a context-aware text-to-speech (TTS) model that applies natural pacing, expressiveness, and fillers based on the context of the provided text. The quality of your text input directly impacts the naturalness of the audio output.

Strengths
  • Natural prosody
  • Real-time streaming
  • Cheap
Use cases
Voice agentsIVRAudiobook narration
Aura-2-ES
deepgram/aura-2-es
Full spec →

Aura-2 is a context-aware text-to-speech (TTS) model that applies natural pacing, expressiveness, and fillers based on the context of the provided text. The quality of your text input directly impacts the naturalness of the audio output.

Strengths
  • Natural speech synthesis
Use cases
VoiceoversIVRAudiobooks

Compare with another

Aura-1 vs Aura-2-ES
deepgram/aura-1 · deepgram/aura-2-es
Aura-1 vs Aura-2-EN
deepgram/aura-1 · deepgram/aura-2-en
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Aura-2-EN
client.chat.completions.create(
    model="deepgram/aura-2-en",
    messages=[{"role":"user","content":"hello"}],
)

# Aura-2-ES
client.chat.completions.create(
    model="deepgram/aura-2-es",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyRun an eval on these →