Gemini 3.8 Flash TTS vs Nano Banana 3 Pro
A direct, empirical evaluation of Gemini 3.8 Flash TTS (Google DeepMind) against Nano Banana 3 Pro (Google DeepMind).
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.
Nano Banana 3 Pro
Developed by Google DeepMind · 2.8 Billion Parameters parameters
Zero-latency mobile on-device reasoning, 82ms TTFT, offline audio-visual tool execution, and local Android system integration.
| Metric | Gemini 3.8 Flash TTS | Nano Banana 3 Pro |
|---|---|---|
| SWE-bench Verified | 64.2% | 58.6% |
| MMLU-Pro | 88.5% | 74.2% |
| MATH-500 | 91% | 82.5% |
| Context Window | 128,000 characters input dialogue script | 131,072 tokens |
| Input Pricing (per 1M) | $0.15 | $0.00 |
| Output Pricing (per 1M) | $15.00 | $0.00 |