Gemini 3.8 Flash-Lite TTS vs Gemini 3.8 Flash TTS
A direct, empirical evaluation of Gemini 3.8 Flash-Lite TTS (Google DeepMind) against Gemini 3.8 Flash TTS (Google DeepMind).
Gemini 3.8 Flash-Lite TTS
Developed by Google DeepMind · Proprietary Lightweight Acoustic Stream Transformer parameters
High-throughput bulk multilingual video dubbing, automated notification dispatch, real-time voice agents, customer support telephony, and accessibility readers.
Gemini 3.8 Flash TTS
Developed by Google DeepMind · Proprietary Multimodal Acoustic Flow Matching Transformer parameters
High-fidelity expressive podcasts, interactive video game dialogues, scripted multi-speaker conversations, and prompt-designed custom character voices.
| Metric | Gemini 3.8 Flash-Lite TTS | Gemini 3.8 Flash TTS |
|---|---|---|
| SWE-bench Verified | 58.4% | 64.2% |
| MMLU-Pro | 82.1% | 88.5% |
| MATH-500 | 85.2% | 91% |
| Context Window | 64,000 characters input script | 128,000 characters input dialogue script |
| Input Pricing (per 1M) | $0.08 | $0.15 |
| Output Pricing (per 1M) | $6.00 | $15.00 |