Smallest.ai › Lightning v3.1 › Pricing
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Lightning v3.1 pricing
API list price by Smallest.ai · checked Oct 23, 2026
$25per 1M characters
Price sheet
| Price | $25 | per 1M characters |
Exact native tariff; see source for billing scope.
Cheaper for the same workvs Lightning v3.1
| Qwen Audio 3.1 TTS Plus | -23% | score wins 83% | $19.30 |
| Qwen Audio 3.0 TTS Plus | -23% | score wins 80% | $19.30 |
| Fish Audio Drama 3 PreviewOpen | -40% | score wins 79% | $15 |
| Simba 3.2 | -74% | score wins 78% | $6.60 |
| Voxtral 3 TTS | -48% | score wins 76% | $13 |
Pricing questions
How much does Lightning v3.1 cost?›
$25 per 1M characters. Exact native tariff; see source for billing scope.
Is Lightning v3.1 free to use?›
There is no free API tier.
What is a cheaper alternative to Lightning v3.1?›
Qwen Audio 3.1 TTS Plus costs -23% per task with a score wins 83% on AA TTS provider voice.