Data as of Aug 25, 2026 · Based on 1,376 AI responses · Shares cover the last 30 days · See how Parse measures this
Real-Time Speech-to-Text APIs
Parse
https://parse.gl
AssemblyAI has emerged as the new leader in AI-generated recommendations for real-time speech-to-text APIs, particularly for its strength in speaker diarization. This reflects a broader shift where specialized providers like and are increasingly favored over both the long-standing front-runner, , and the large incumbent cloud platforms.
| # | Brand | What AI says | Mention rate |
|---|---|---|---|
| 1 | A top contender, frequently cited for speed and real-time accuracy. | 72% | |
| 2 | New leader, praised for diarization and strong developer features. | 59% | |
| 3 | 55% | ||
| 4 | 50% | ||
| 5 | Cited for low-latency streaming, but has lost ground to newer challengers. | 45% | |
| 6 | Fastest-rising challenger, noted for broad multilingual support and code-switching. | 40% | |
| 7 | 40% | ||
| 8 | 32% | ||
| 9 | 22% | ||
| 10 | 17% | ||
| 11 | Emerging specialist for accurate meeting diarization, often by using separate audio streams. | 15% | |
| 12 | 14% | ||
| 13 | 11% | ||
| 14 | 6% | ||
| 15 | 6% | ||
| 16 | 5% | ||
| 17 | 5% | ||
| 18 | 5% | ||
| 19 | 5% | ||
| 20 | 4% | ||
| 21 | 3% | ||
| 22 | 2% | ||
| 23 | 2% | ||
| 24 | 2% | ||
| 25 | 2% |
Who wins on each AI
The same market, seen by two models.
Sources AI cited
assemblyai.com is the page AI reaches for most here, cited in 57% of analyzed answers.
Overtook Deepgram to become the #1 most-cited brand by Mar 2026.
Dropped from rank #3 to #7 between Oct 2025 and Mar 2026, increasingly overshadowed by newer rivals.
Rose from #22 (6% mention rate) in Oct 2025 to #3 (61%) by Mar 2026.
Fell from #5 to #14 in the rankings between Oct 2025 and Mar 2026, mentioned less often as a primary choice.
“A state-of-the-art model with potential, but unproven real-time performance.” → “A strong baseline for accuracy, best used via wrappers or for non-streaming tasks.”
| Brand | ChatGPT Search | Google AI Mode | Comparison |
|---|---|---|---|
| 87% | 79% | ||
| 81% | 67% | ||
| 68% | 33% | ||
| 43% | 53% | ||
| 6% | 45% |
The two models disagree most about Soniox (ChatGPT #17, Google #4) and Google Cloud Platform (ChatGPT #14, Google #23).
Across 1,376 AI responses, Deepgram is mentioned most, named in 72% of them, followed by AssemblyAI (59%) and Alphabet (55%).
Parse measures each brand's mention rate — the share of answers naming it — across 1,376 AI responses to this market's buyer questions over the last 30 days. Answers are collected daily and the ranking is re-measured on the same 30-day window.
Brands enter the ranking when AI answers mention them. Parse collects answers daily and publishes the re-measured set weekly, so new brands appear as AI starts recommending them.
Deepgram was the undisputed leader for this prompt through early 2026, consistently praised for speed and accuracy. Since January 2026,
AssemblyAI and
Gladia have been featured more prominently, creating a three-way race where the 'best' API depends on a trade-off between latency, language breadth, and feature set.
Which API service offers the most accurate, real-time audio transcription in multiple languages?
Deepgram was the undisputed leader for this prompt through early 2026, consistently praised for speed and accuracy. Since January 2026,
AssemblyAI and
Gladia have been featured more prominently, creating a three-way race where the 'best' API depends on a trade-off between latency, language breadth, and feature set.
Similar to the 'most accurate' prompt, Deepgram leads mentions across the window. However, responses consistently highlight as a strong alternative, especially since Nov 2025. In 2026, also became a regular fixture in these recommendations.
Brands mentioned
What's a good API service for highly accurate, real-time audio transcription in multiple languages?
Similar to the 'most accurate' prompt, Deepgram leads mentions across the window. However, responses consistently highlight
Gladia as a strong alternative, especially since Nov 2025. In 2026,
AssemblyAI also became a regular fixture in these recommendations.