Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Mythos 5
99
ZAYA1-74B-Preview
54
Verified leaderboard positions: Claude Mythos 5 #1 · ZAYA1-74B-Preview unranked
Pick Claude Mythos 5 if you want the stronger benchmark profile. ZAYA1-74B-Preview only becomes the better choice if you want the cheaper token bill.
Coding
+32.7 difference
Knowledge
+10.3 difference
Claude Mythos 5
ZAYA1-74B-Preview
$10 / $50
$0 / $0
N/A
N/A
N/A
N/A
1M+
256K
Pick Claude Mythos 5 if you want the stronger benchmark profile. ZAYA1-74B-Preview only becomes the better choice if you want the cheaper token bill.
Claude Mythos 5 is clearly ahead on the provisional aggregate, 99 to 54. 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 coding, where it averages 85.9 against 53.2. The single biggest benchmark swing on the page is SWE-bench Verified, 95.5% to 53.2%.
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 ZAYA1-74B-Preview. That is roughly Infinityx on output cost alone. Claude Mythos 5 gives you the larger context window at 1M+, compared with 256K for ZAYA1-74B-Preview.
Claude Mythos 5 is ahead on BenchLM's provisional leaderboard, 99 to 54. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 95.5% and 53.2%.
Claude Mythos 5 has the edge for knowledge tasks in this comparison, averaging 74.6 versus 64.3. 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 53.2. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
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