Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Sonnet 4.6
83
Gemini 3 Pro
81
Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. Gemini 3 Pro only becomes the better choice if multimodal & grounded is the priority or you want the cheaper token bill.
Multimodal
+3.7 difference
Claude Sonnet 4.6
Gemini 3 Pro
$3 / $15
$2 / $12
44 t/s
109 t/s
1.48s
32.65s
200K
2M
Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. Gemini 3 Pro only becomes the better choice if multimodal & grounded is the priority or you want the cheaper token bill.
Claude Sonnet 4.6 has the cleaner provisional overall profile here, landing at 83 versus 81. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Claude Sonnet 4.6 is also the more expensive model on tokens at $3.00 input / $15.00 output per 1M tokens, versus $2.00 input / $12.00 output per 1M tokens for Gemini 3 Pro. Gemini 3 Pro gives you the larger context window at 2M, compared with 200K for Claude Sonnet 4.6.
Claude Sonnet 4.6 is ahead on BenchLM's provisional leaderboard, 83 to 81. The biggest single separator in this matchup is CharXiv, where the scores are 77.4% and 81.4%.
Gemini 3 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 81.1 versus 77.4. Inside this category, AA-MMMU-Pro is the benchmark that creates the most daylight between them.
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