Flagship text-to-speech model for expressive, studio-grade voices and long-form multi-speaker audio
Context
8K
8,192 tokens
Max output
16K
16,384 tokens
Input
$0.50
per 1M tokens
Output
$9.00
per 1M tokens
Providers
1
1 listings
Intelligence
—
Not yet scored
Pricing
USD per 1M tokens · listed by Vercel AI Gateway
| Token type | Standard |
|---|---|
| Input | $0.50 |
| Output | $9.00 |
| Audio output | $9.00 |
Lowest input price across providers: $0.50.
Capabilities
ReasoningNo
Tool callNo
Structured outputUnknown
TemperatureNo
AttachmentsNo
Interleaved reasoningNo
Open weightsNo
ModeratedUnknown
Input
Text
Output
Audio
Benchmarks
Published scores and Design Arena Elo
No published benchmark scores for this model yet.
Rankings
Position on each OneAtlas leaderboard
Providers · 1
1 listings
| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Vercel AI Gateway | google/gemini-3.8-flash-tts | 8K | — | 16K | $0.50 | $9.00 | — | — | — | — | $9.00 | No | No | Unknown | No | Sep 22, 2026 |