Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Opus 4.6
88
DeepSeek V4 Flash Base
31
Verified leaderboard positions: Claude Opus 4.6 #4 · DeepSeek V4 Flash Base unranked
Pick Claude Opus 4.6 if you want the stronger benchmark profile. DeepSeek V4 Flash Base only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Knowledge
+24.0 difference
Claude Opus 4.6
DeepSeek V4 Flash Base
$5 / $25
$null / $null
40 t/s
N/A
1.78s
N/A
1M
1M
Pick Claude Opus 4.6 if you want the stronger benchmark profile. DeepSeek V4 Flash Base only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Claude Opus 4.6 is clearly ahead on the provisional aggregate, 88 to 31. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Opus 4.6's sharpest advantage is in knowledge, where it averages 76.2 against 52.2. The single biggest benchmark swing on the page is SuperGPQA, 95% to 46.5%.
Claude Opus 4.6 is ahead on BenchLM's provisional leaderboard, 88 to 31. The biggest single separator in this matchup is SuperGPQA, where the scores are 95% and 46.5%.
Claude Opus 4.6 has the edge for knowledge tasks in this comparison, averaging 76.2 versus 52.2. Inside this category, SuperGPQA is the benchmark that creates the most daylight between them.
For engineers, researchers, and the plain curious — a weekly brief on new models, ranking shifts, and pricing changes.
Free. No spam. Unsubscribe anytime.