Claude Code vs Gemini 3 Pro API: Best Stack for Building Enterprise SaaS on Google Cloud

Claude CodeGemini 3 Pro
arenaElo14201405
humanEval93.187.3
sweBench64.363
mmlu92.391.1
gpqa65.262.5
aime8890
Price in/out ($/M)$15 / $75$7 / $21

Our verdict

If your corporate SaaS client runs on Google Cloud, Gemini 3 Pro is the compliance-friendly runtime pick (2M context, Vertex AI integration). Claude Code is still the best author of that SaaS: use it during the build, ship production features on top of Gemini 3 Pro via Vertex.

Claude Code · Gemini 3 Pro · All AI model comparisons