Gemini 3 Flash vs DeepSeek V3: Cheap Multimodal vs Cheap Open Chat

Gemini 3 FlashDeepSeek V3
arenaElo12981355
humanEval79.486
sweBench4842
mmlu83.288.5
gpqa51.859.1
aime7659.4
Price in/out ($/M)$0.3 / $2.5$0.27 / $1.1

Our verdict

Gemini 3 Flash brings vision + audio + a 1M context; DeepSeek V3 is open-weights and marginally cheaper. For multimodal UX, Flash. For self-hosted chat and content generation, V3.

Gemini 3 Flash · DeepSeek V3 · All AI model comparisons