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NVIDIA Magpie-Multilingual 357M (Feb 2026) NVIDIA · text-to-speech (TTS) API

Listener Elo 1,063 ±12 on Artificial Analysis (read October 22, 2026); latency not measured.

Benchmark summary: No speed tier: Coval, the source of the tiers, does not measure this model.

NVIDIA Magpie-Multilingual 357M (Feb 2026) is an open-weights text-to-speech (TTS) API from NVIDIA, measured by one independent benchmark, Artificial Analysis.

Speed tier

Not measured by Coval

No speed tier: Coval, the source of the tiers, does not measure this model.

Median time to first audioCoval, 30 days
—
P95 time to first audio (slow turns)Coval, 30 days
—
Naturalness EloSpeko
not rated
Listener Elo (95% interval)Artificial Analysis
1,063 ±12
Numbers and dates (0 to 1)Speko
not rated
List price per 1M charactersall sources
not published
  • Customer service (Artificial Analysis): 76th, Elo 1047 ±31

Data read October 22, 2026. No combined score: methodology

Gradium TTS vs NVIDIA Magpie-Multilingual 357M (Feb 2026) Fastest TTS APIs, by speed tier

Speed

Neither Coval nor Speko measures NVIDIA Magpie-Multilingual 357M (Feb 2026)'s latency, so it has no speed tier and does not appear in the speed tiers.

Voice quality

In the Artificial Analysis Speech Arena it holds 1,063 ±12 Elo (95% interval), 58th highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie. In its Customer Service category, Artificial Analysis places it 76th, at 1,047 Elo.

Numbers and dates

Speko has not scored its pronunciation of numbers and dates.

Price

No list price is published by Coval, Speko or Artificial Analysis for this model.

Benchmark measurements

Artificial Analysis Speech Arena

Customer service rank
76
Customer service Elo
1,047
Customer service Elo 95% interval (±)
31
Speech Arena Elo (blind listener preference)
1,063
Elo 95% interval (±)
12
Arena rank
58
Arena rank range
53-65
Arena appearances
2,277
Voices tested
5
Released
Feb 2026
Artificial Analysis model
Magpie-Multilingual 357M (Feb 2026)
Artificial Analysis leaderboard
artificialanalysis.ai

Not collected

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