DeepSeek V4.1 Flash vs Gemini 3.8 Flash TTS

A direct, empirical evaluation of DeepSeek V4.1 Flash (DeepSeek-AI) against Gemini 3.8 Flash TTS (Google DeepMind).

DeepSeek V4.1 Flash

Developed by DeepSeek-AI · 552B parameters

High-throughput software engineering, autonomous coding loops, terminal agents, 1M long-context retrieval, and low-cost production inference.

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 DeepSeek V4.1 Flash Gemini 3.8 Flash TTS
SWE-bench Verified 67.2% 64.2%
MMLU-Pro 78.4% 88.5%
MATH-500 92.6% 91%
Context Window 1,000,000 tokens 128,000 characters input dialogue script
Input Pricing (per 1M) $0.06 $0.15
Output Pricing (per 1M) $0.22 $15.00