Head-to-head comparison across 5benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Opus 4.7 (Adaptive)
90
Gemini 3.5 Flash
87
Verified leaderboard positions: Claude Opus 4.7 (Adaptive) #5 · Gemini 3.5 Flash #6
Pick Claude Opus 4.7 (Adaptive) if you want the stronger benchmark profile. Gemini 3.5 Flash only becomes the better choice if multimodal & grounded is the priority or you want the cheaper token bill.
Agentic
+2.3 difference
Coding
+18.4 difference
Reasoning
+1.1 difference
Knowledge
+10.2 difference
Multimodal
+19.5 difference
Claude Opus 4.7 (Adaptive)
Gemini 3.5 Flash
$5 / $25
$1.5 / $9
N/A
284.2 t/s
N/A
18.55s
1M
1M
Pick Claude Opus 4.7 (Adaptive) if you want the stronger benchmark profile. Gemini 3.5 Flash only becomes the better choice if multimodal & grounded is the priority or you want the cheaper token bill.
Claude Opus 4.7 (Adaptive) has the cleaner provisional overall profile here, landing at 90 versus 87. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Claude Opus 4.7 (Adaptive)'s sharpest advantage is in coding, where it averages 72.9 against 54.5. The single biggest benchmark swing on the page is HLE, 54.7% to 40.2%. Gemini 3.5 Flash does hit back in multimodal & grounded, so the answer changes if that is the part of the workload you care about most.
Claude Opus 4.7 (Adaptive) is also the more expensive model on tokens at $5.00 input / $25.00 output per 1M tokens, versus $1.50 input / $9.00 output per 1M tokens for Gemini 3.5 Flash. That is roughly 2.8x on output cost alone.
Claude Opus 4.7 (Adaptive) is ahead on BenchLM's provisional leaderboard, 90 to 87. The biggest single separator in this matchup is HLE, where the scores are 54.7% and 40.2%.
Claude Opus 4.7 (Adaptive) has the edge for knowledge tasks in this comparison, averaging 68.2 versus 58. Inside this category, HLE is the benchmark that creates the most daylight between them.
Claude Opus 4.7 (Adaptive) has the edge for coding in this comparison, averaging 72.9 versus 54.5. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Claude Opus 4.7 (Adaptive) has the edge for reasoning in this comparison, averaging 75.8 versus 74.7. Inside this category, ARC-AGI-2 is the benchmark that creates the most daylight between them.
Gemini 3.5 Flash has the edge for agentic tasks in this comparison, averaging 77.2 versus 74.9. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Gemini 3.5 Flash has the edge for multimodal and grounded tasks in this comparison, averaging 83.8 versus 64.3. Inside this category, CharXiv is the benchmark that creates the most daylight between them.
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