Head-to-head comparison across 3benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Mythos 5
99
Qwen3.5-35B-A3B
56
Verified leaderboard positions: Claude Mythos 5 #1 · Qwen3.5-35B-A3B #26
Pick Claude Mythos 5 if you want the stronger benchmark profile. Qwen3.5-35B-A3B only becomes the better choice if knowledge is the priority or you want the cheaper token bill.
Agentic
+36.4 difference
Coding
+27.5 difference
Knowledge
+4.7 difference
Claude Mythos 5
Qwen3.5-35B-A3B
$10 / $50
$0 / $0
N/A
N/A
N/A
N/A
1M+
262K
Pick Claude Mythos 5 if you want the stronger benchmark profile. Qwen3.5-35B-A3B only becomes the better choice if knowledge is the priority or you want the cheaper token bill.
Claude Mythos 5 is clearly ahead on the provisional aggregate, 99 to 56. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Mythos 5's sharpest advantage is in agentic, where it averages 87 against 50.6. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 88% to 40.5%. Qwen3.5-35B-A3B does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Claude Mythos 5 is also the more expensive model on tokens at $10.00 input / $50.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Qwen3.5-35B-A3B. That is roughly Infinityx on output cost alone. Claude Mythos 5 gives you the larger context window at 1M+, compared with 262K for Qwen3.5-35B-A3B.
Claude Mythos 5 is ahead on BenchLM's provisional leaderboard, 99 to 56. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 88% and 40.5%.
Qwen3.5-35B-A3B has the edge for knowledge tasks in this comparison, averaging 79.3 versus 74.6. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Claude Mythos 5 has the edge for coding in this comparison, averaging 85.9 versus 58.4. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Claude Mythos 5 has the edge for agentic tasks in this comparison, averaging 87 versus 50.6. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.
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