modelgrep

DeepSeek: DeepSeek V4 Flash vs Google: Gemini 3.5 Flash

deepseek logoDeepSeek: DeepSeek V4 Flashdeepseek/deepseek-v4-flashVSgoogle logoGoogle: Gemini 3.5 Flashgoogle/gemini-3.5-flash

Google: Gemini 3.5 Flash wins on more metrics (5 of 8), but the right pick depends on what you optimize for — see the breakdown below.

MetricDeepSeek: DeepSeek V4 FlashGoogle: Gemini 3.5 Flash
Intelligence Index40.350.2✓
Coding Index56.270.1✓
GPQA Diamond89%92%✓
Design Arena Elo12681313✓
Speed (tokens/sec)90136✓
Latency515ms✓1.4s
Input price /M$0.090✓$1.50
Output price /M$0.180✓$9.00
Context window1.0M1.0M
CapabilitiesReasoningToolsJSONReasoningToolsJSONVisionAudio
DeepSeek: DeepSeek V4 Flash details →Google: Gemini 3.5 Flash details →