Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Hy3 Preview
58
LongCat-2.0
80
Pick LongCat-2.0 if you want the stronger benchmark profile. Hy3 Preview only becomes the better choice if coding is the priority or you want the cheaper token bill.
Agentic
+16.4 difference
Coding
+0.5 difference
Hy3 Preview
LongCat-2.0
$0 / $0
$0.75 / $2.95
N/A
N/A
N/A
N/A
256K
1M
Pick LongCat-2.0 if you want the stronger benchmark profile. Hy3 Preview only becomes the better choice if coding is the priority or you want the cheaper token bill.
LongCat-2.0 is clearly ahead on the provisional aggregate, 80 to 58. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
LongCat-2.0's sharpest advantage is in agentic, where it averages 70.8 against 54.4. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 54.4% to 70.8%. Hy3 Preview does hit back in coding, so the answer changes if that is the part of the workload you care about most.
LongCat-2.0 is also the more expensive model on tokens at $0.75 input / $2.95 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Hy3 Preview. That is roughly Infinityx on output cost alone. LongCat-2.0 gives you the larger context window at 1M, compared with 256K for Hy3 Preview.
LongCat-2.0 is ahead on BenchLM's provisional leaderboard, 80 to 58. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 54.4% and 70.8%.
Hy3 Preview has the edge for coding in this comparison, averaging 60 versus 59.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
LongCat-2.0 has the edge for agentic tasks in this comparison, averaging 70.8 versus 54.4. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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