Deepgram vs OpenRouter

Deepgram

OpenRouter

Deepgram · 15 features

• Aura TTS — Low-latency text-to-speech (<250ms).
• Data Residency — EU / US / custom regions.
• Diarization — Speaker identification.
• Intent Detection — Detect speaker intents automatically.
• Keyterm Prompting — Boost accuracy for proper nouns + domain terms.
• Language Detection — Auto-detect spoken language.
• On-Prem Deployment — Enterprise: run Deepgram in your infra.
• PII Redaction — Auto-redact sensitive info.
• Pre-recorded STT — Transcribe audio/video files.
• Sentiment Analysis — Per-segment sentiment scores.
• Smart Format — Numbers, dates, times auto-formatted.
• Streaming STT — Realtime WebSocket-based transcription.
• Summarization — Automatic transcript summaries.
• Topic Detection — Auto-extract conversation topics.
• Voice Agent API — Unified STT + LLM + TTS for voice bots.

OpenRouter · 15 features

• 300+ Models — Claude, GPT, Gemini, Llama, Mistral, Qwen, DeepSeek, Cohere, Grok + open-source.
• 60+ Providers — Anthropic, OpenAI, Google, Together, Fireworks, Groq, DeepInfra, Replicate, etc.
• Auto Fallback — Automatic retry to backup provider on failure.
• Bring Your Own Key — Use your own provider keys → pay providers directly + no platform fee.
• Credit System — Prepay credits via card, crypto, or bank.
• Data Retention Controls — Opt-out of training/retention per provider.
• Free Models Tier — 25+ models available at $0 (limited rate).
• Prompt Caching — Automatic cache for identical prefixes (provider-dependent).
• Provider Preferences — Pin preferred providers per request or default.
• Rankings & Stats — Public leaderboard of most-used models.
• Regional Routing — Route requests to specific geographic regions.
• Streaming — SSE + partial completions.
• Structured Outputs — JSON-mode + JSON schema across supporting models.
• Tool Use / Function Calling — Unified tool calling across providers.
• Unified OpenAI-Compat API — Same endpoint for every model + provider.