DeepSeek V5 (Leaked Staging) vs Gemini 3.8 Flash TTS

A direct, empirical evaluation of DeepSeek V5 (Leaked Staging) (DeepSeek AI) against Gemini 3.8 Flash TTS (Google DeepMind).

DeepSeek V5 (Leaked Staging)

Developed by DeepSeek AI · 1.8 Trillion (Sparse MoE) parameters

Autonomous coding agents scoring 81.4% on SWE-bench Verified, zero-telemetry self-hosting, sub-cent 1M-token processing, and formal mathematical proofs.

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 V5 (Leaked Staging) Gemini 3.8 Flash TTS
SWE-bench Verified 81.4% 64.2%
MMLU-Pro 87.5% 88.5%
MATH-500 96.8% 91%
Context Window 1,000,000 tokens 128,000 characters input dialogue script
Input Pricing (per 1M) $0.12 $0.15
Output Pricing (per 1M) $0.48 $15.00