Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Composer 2
73
DeepSeek V4 Flash (Max)
77
Verified leaderboard positions: Composer 2 unranked · DeepSeek V4 Flash (Max) #12
Pick DeepSeek V4 Flash (Max) if you want the stronger benchmark profile. Composer 2 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Agentic
+1.6 difference
Coding
+15.7 difference
Composer 2
DeepSeek V4 Flash (Max)
$0.5 / $2.5
$0.14 / $0.28
N/A
N/A
N/A
N/A
200K
1M
Pick DeepSeek V4 Flash (Max) if you want the stronger benchmark profile. Composer 2 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
DeepSeek V4 Flash (Max) is clearly ahead on the provisional aggregate, 77 to 73. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
DeepSeek V4 Flash (Max)'s sharpest advantage is in coding, where it averages 73.7 against 58. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 61.7% to 56.9%.
Composer 2 is also the more expensive model on tokens at $0.50 input / $2.50 output per 1M tokens, versus $0.14 input / $0.28 output per 1M tokens for DeepSeek V4 Flash (Max). That is roughly 8.9x on output cost alone. DeepSeek V4 Flash (Max) gives you the larger context window at 1M, compared with 200K for Composer 2.
DeepSeek V4 Flash (Max) is ahead on BenchLM's provisional leaderboard, 77 to 73. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 61.7% and 56.9%.
DeepSeek V4 Flash (Max) has the edge for coding in this comparison, averaging 73.7 versus 58. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
DeepSeek V4 Flash (Max) has the edge for agentic tasks in this comparison, averaging 63.3 versus 61.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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