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Deepgram Alternatives

4 alternatives to Deepgram — free and paid AI coding tools covering similar jobs, with pricing and standout strengths.

Full comparison: Best Speech-to-Text APIs in 2026

Looking for a Deepgram alternative? Deepgram is listed under Voice (freemium). The 4 tools below cover similar jobs, closest matches first — the table compares pricing, license, and platforms so you can shortlist quickly, and each entry further down adds a fuller summary and a link to the full profile.

ToolPricingLicensePlatformsCategory
ElevenLabsfreemium—WebVoice
Assemblyaifreemium—WebVoice
Cartesiafreemium—WebVoice
Whisperopen sourceMITmacOS, Windows, LinuxVoice

Free and open-source alternatives to Deepgram

Deepgram alternatives in detail

  1. ElevenLabs

    freemiumWebVoice

    ElevenLabs is a voice-AI platform best known for state-of-the-art text-to-speech: natural, expressive voices in many languages, plus voice cloning, dubbing, sound effects, and a speech-to-text model. It also offers conversational AI agents, and everything is available via API under one credit-based plan — a common choice for the TTS (or the whole voice) stage of a voice agent.

    Read: Best Text-to-Speech APIs in 2026

  2. Assemblyai

    freemiumWebVoice

    AssemblyAI packages speech intelligence as one API: the Universal STT family — topped by Universal-3 Pro (February 2026), a promptable speech model you steer with natural-language context and keyterms — streaming for voice agents, a flat-rate Voice Agent API bundling STT+LLM+TTS over one WebSocket, and understanding layers. Freemium with signup credits, then per-hour usage.

    Read: Best Speech-to-Text APIs in 2026

  3. Cartesia

    freemiumWebVoice

    Cartesia builds voice AI on state-space models: Sonic streaming TTS — vendor-claimed sub-100ms model latency, 42 languages, emotion controls — Ink streaming STT with turn detection native to the model, and Line, a code-first platform for deploying voice agents with hosted infra, telephony, and evals. Freemium credits; commercial use starts at the low-cost Pro tier.

    Read: Best Text-to-Speech APIs in 2026

    Read: Best Speech-to-Text APIs in 2026

  4. Whisper

    open sourceMITmacOS, Windows, LinuxVoice

    Whisper (OpenAI, MIT, ~102k stars) is the open-weights STT baseline: multilingual transcription across ~99 languages, speech-to-English translation, six model sizes from tiny (runs anywhere) to large, with turbo — an 8x-faster large-v3 — as the practical default. Production deployments mostly run it through faster-whisper or whisper.cpp; hosted Whisper is offered by many APIs.

    Read: Best Speech-to-Text APIs in 2026