Automated best-of radar
Best Paid Speech-to-text options.
Candidates with a source-backed paid API, usage-based hosted API, or enterprise access path. Automated radar ranking for ASR, transcription, diarization, and real-time speech-to-text models and APIs. Rankings use existing source-backed radar data and do not invent prices, benchmark scores, release dates, or capabilities.
Candidates
11
matched automatically
Top fit
100
OpenAI Audio Speech-to-Text
Sources
21
canonical links retained
Access
Paid API
filtered automatically
Updated
Jun 26, 2026
listed in sitemap
Best overall radar pick
OpenAI Audio Speech-to-Text
Highest automated fit score using source-backed task evidence and radar signals.
Best API or hosted option
OpenAI Audio Speech-to-Text
Strong candidate when the source metadata indicates API or hosted-service availability.
Best open-source option
NVIDIA Riva
Strong candidate when open weights, GitHub, permissive license, or self-hosting signals are visible.
Best developer momentum
OpenAI Audio Speech-to-Text
Strong candidate with fresh GitHub, Hub, Product Hunt, or radar momentum.
| # | Candidate | Type | Access | Source | Fit | Updated | Why it matched | Evidence |
|---|---|---|---|---|---|---|---|---|
| 01 | OpenAI Audio Speech-to-TextOpenAI API service | service | Paid API | Official service page | RDR100 | Jun 26, 2026 | Matched speech-to-text, speech to text, stt; 2 source links; official service signal; access model: Paid API | developers.openai.com |
| 02 | AssemblyAI Speech-to-TextAssemblyAI API service | service | Paid API | Official service page | RDR100 | Jun 26, 2026 | Matched speech-to-text, speech to text, stt; 2 source links; official service signal; access model: Paid API | assemblyai.com |
| 03 | Azure AI SpeechMicrosoft Azure API service | service | Paid API | Official service page | RDR100 | Jun 26, 2026 | Matched speech-to-text, speech to text, asr; 3 source links; official service signal; access model: Paid API | learn.microsoft.com |
| 04 | Google Cloud Speech-to-TextGoogle Cloud API service | service | Paid API | Official service page | RDR100 | Jun 26, 2026 | Matched speech-to-text, speech to text, stt; 2 source links; official service signal; access model: Paid API | cloud.google.com |
| 05 | Amazon TranscribeAWS API service | service | Paid API | Official service page | RDR100 | Jun 26, 2026 | Matched speech-to-text, speech to text, stt; 1 source link; official service signal; access model: Paid API | aws.amazon.com |
| 06 | ElevenLabs Speech to TextElevenLabs API service | service | Paid API | Official service page | RDR99 | Jun 26, 2026 | Matched speech-to-text, speech to text, stt; 1 source link; official service signal; access model: Paid API | elevenlabs.io |
| 07 | Speechmatics Speech APISpeechmatics API service | service | Paid API | Official service page | RDR94 | Jun 26, 2026 | Matched speech-to-text, speech to text, transcription; 2 source links; official service signal; access model: Paid API | speechmatics.com |
| 08 | Deepgram Speech AIDeepgram API service | service | Paid API | Official service page | RDR86 | Jun 26, 2026 | Matched speech-to-text, speech to text, asr; 2 source links; official service signal; access model: Paid API | deepgram.com |
| 09 | Cartesia Voice APICartesia API service | service | Paid API | Official service page | RDR86 | Jun 26, 2026 | Matched speech-to-text, speech to text, stt; 2 source links; official service signal; access model: Paid API | docs.cartesia.ai |
| 10 | NVIDIA RivaNVIDIA API service | service | Paid API | Official service page | RDR85 | Jun 26, 2026 | Matched speech-to-text, speech to text, asr; 2 source links; official service signal; access model: Paid API | developer.nvidia.com |
| 11 | Hugging Face Inference ProvidersHugging Face model hub | service | Paid API | Official inference catalog | RDR75 | Jun 26, 2026 | Matched speech-to-text, speech to text; 2 source links; official inference catalog signal; access model: Paid API | huggingface.co |