Gemini 3 Pro vs Claude Sonnet 4.6: Flagship vs Value-Tier

Gemini 3 ProClaude Sonnet 4.6
arenaElo14051358
humanEval87.389
sweBench6360
mmlu91.188.7
gpqa62.559.4
aime9080
Price in/out ($/M)$7 / $21$3 / $15

Our verdict

Gemini 3 Pro is stronger on benchmarks and has 10× the context, but costs 2× Sonnet 4.6. For multimodal long-doc work, Gemini Pro. For text chat and coding copilots at scale, Sonnet 4.6.

Gemini 3 Pro · Claude Sonnet 4.6 · All AI model comparisons