Claude Opus 4.7 vs Gemini 3 Pro, best for Long Context?

Claude Opus 4.7Gemini 3 Pro
arenaElo14201405
humanEval93.187.3
sweBench64.363
mmlu92.391.1
gpqa65.262.5
aime8890
Price in/out ($/M)$5 / $25$7 / $21

Our verdict

Gemini 3 Pro offers 2× the context window (2M vs 1M) and native video, but Opus 4.7 still wins on reasoning and coding accuracy. Choose Gemini for whole-book or video analysis; choose Opus for mission-critical code and legal work.

Claude Opus 4.7 · Gemini 3 Pro · All AI model comparisons