Head-to-head comparison across 3benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Mythos 5
99
MAI-Thinking-1
65
Verified leaderboard positions: Claude Mythos 5 #1 · MAI-Thinking-1 #24
Pick Claude Mythos 5 if you want the stronger benchmark profile. MAI-Thinking-1 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Agentic
+41.0 difference
Coding
+14.9 difference
Knowledge
+4.7 difference
Claude Mythos 5
MAI-Thinking-1
$10 / $50
N/A
N/A
N/A
N/A
N/A
1M+
256K
Pick Claude Mythos 5 if you want the stronger benchmark profile. MAI-Thinking-1 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Claude Mythos 5 is clearly ahead on the provisional aggregate, 99 to 65. 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 46. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 88% to 46%.
Claude Mythos 5 gives you the larger context window at 1M+, compared with 256K for MAI-Thinking-1.
Claude Mythos 5 is ahead on BenchLM's provisional leaderboard, 99 to 65. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 88% and 46%.
Claude Mythos 5 has the edge for knowledge tasks in this comparison, averaging 74.6 versus 69.9. 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 71. Inside this category, Terminal-Bench 2.0 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 46. Inside this category, Terminal-Bench 2.0 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.