Gladia vs ElevenLabs

ElevenLabs was tuned for studio audio. Gladia was tuned for real conversations.

Real customer calls, overlapping speakers, accents, languages switching mid-sentence — that's the audio ElevenLabs' cleanest benchmarks don't show you.

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Why teams switch

Built to listen, not just to speak

Wins the conversations that matter

ElevenLabs Scribe is fast on clean, scripted audio like audiobooks, parliamentary recordings, or voice-cloning demos. Real customer calls are a different problem. On actual conversational speech, Gladia pulls dramatically ahead.

  • Switchboard
  • 38.6% better
  • Real conversations

WER on conversational speech

0%
0%

Knows who said what

Gladia's speaker separation is roughly 5x more accurate than ElevenLabs. That’s the difference between a usable speaker-labeled transcript and one that needs manual cleanup.

  • DIHARD III
  • 2.8× lower DER
  • ~5× on telephone

Diarization error rate

0%
0%

Doesn't lose the thread mid-language switch

Real conversations move between languages inside a sentence. Gladia's live transcription tracks the switch and translates as it happens, across all 100+ supported languages. ElevenLabs doesn't publish code-switching as a Scribe feature.

  • 100+ languages
  • Live code-switching
  • Translation

Languages with live code-switching

100+
None

From transcript to structured data, in one call

Summaries, sentiment, entities, translation, and LLM-ready output come back in the same API call, with your choice of 700+ models. ElevenLabs' LLM layer lives inside its separate Agents product — a different product, a different integration, a different bill.

  • 400+ models
  • Audio-to-LLM
  • One call

Models via Audio-to-LLM

400+
None
Benchmarks

The numbers that matter

Every claim on this page comes from Gladia's open benchmark suite, tested on real conversational datasets, not just clean demo audio.

Conversational speech

Spontaneous telephone conversations. WER % – lower is better.

Diarization

Weighted avg. Diarization Error Rate across 10 domains – lower is better.

Real customer calls

Gladia’s internal production dataset, human-annotated. WER % – lower is better.

Financial calls

Corporate earnings calls, curated by Artificial Analysis. WER % – lower is better.

Open ASR Leaderboard

Independent, third-party benchmark. The private dataset is never released, so no vendor can train on it — WER % results reflect true unseen-audio performance. Lower is better.

Language coverage

Real-time code-switching and translation, not just transcription.

Audio intelligence

Raw audio to structured, LLM-ready output in the same API call.

Infrastructure

Built as infrastructure, not a feature of something else

One API for the whole pipeline

Record, transcribe, and enrich in a single call. No separate capture provider, no bolt-on enrichment layer to build and maintain. One integration point instead of stitching together a voice stack.

Pricing built for transcription, not shared across a platform

All-inclusive, per-hour pricing covers diarization, entity recognition, and translation by default — no separate credit pools, and no add-on fees competing with other products in your budget.

EU-first data sovereignty

Gladia is a French company, subject to GDPR and EU jurisdiction by default, not as a configured add-on. ElevenLabs offers EU data residency only as an Enterprise option. At Gladia, audio is never used to retrain models.

SOC 2 Type II, HIPAA, GDPR, ISO 27001, ISO 27701, HDS

Diarization built for real conversations

Speaker separation is tuned on real, messy audio rather than clean single-speaker recordings and is the best on the market with 2.8x lower diarization errors.

Don’t just switch. Upgrade.

Teams that move their transcription workload from ElevenLabs to Gladia see sharper accuracy on real conversations, diarization and code-switching that work live, and a bill that isn't competing with their TTS spend.

Library

Related Resources

Benchmarks

See STT performance against 8 leading providers

Open methodology across Switchboard, DIHARD III, and real customer calls — not just clean demo audio.

Read more →
Comparison

ElevenLabs vs Gladia: STT API compared

Where Scribe wins on studio audio — and where Gladia wins on real conversations.

Read more →
Alternatives

Best ElevenLabs alternatives

Gladia, Deepgram, AssemblyAI and more — compared for speech-to-text workloads.

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FAQs