Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Mythos Preview
99
Ling 2.6 Flash
44
Verified leaderboard positions: Claude Mythos Preview #1 · Ling 2.6 Flash unranked
Pick Claude Mythos Preview if you want the stronger benchmark profile. Ling 2.6 Flash only becomes the better choice if you want the cheaper token bill or you would rather avoid the extra latency and token burn of a reasoning model.
Coding
+56.8 difference
Knowledge
+15.9 difference
Claude Mythos Preview
Ling 2.6 Flash
$25 / $125
$0.1 / $0.3
N/A
209.5 t/s
N/A
1.07s
1M
262K
Pick Claude Mythos Preview if you want the stronger benchmark profile. Ling 2.6 Flash only becomes the better choice if you want the cheaper token bill or you would rather avoid the extra latency and token burn of a reasoning model.
Claude Mythos Preview is clearly ahead on the provisional aggregate, 99 to 44. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Mythos Preview's sharpest advantage is in coding, where it averages 83.8 against 27. The single biggest benchmark swing on the page is GPQA, 94.5% to 59%.
Claude Mythos Preview is also the more expensive model on tokens at $25.00 input / $125.00 output per 1M tokens, versus $0.10 input / $0.30 output per 1M tokens for Ling 2.6 Flash. That is roughly 416.7x on output cost alone. Claude Mythos Preview is the reasoning model in the pair, while Ling 2.6 Flash is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Claude Mythos Preview gives you the larger context window at 1M, compared with 262K for Ling 2.6 Flash.
Claude Mythos Preview is ahead on BenchLM's provisional leaderboard, 99 to 44. The biggest single separator in this matchup is GPQA, where the scores are 94.5% and 59%.
Claude Mythos Preview has the edge for knowledge tasks in this comparison, averaging 74.9 versus 59. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Claude Mythos Preview has the edge for coding in this comparison, averaging 83.8 versus 27. Ling 2.6 Flash stays close enough that the answer can still flip depending on your workload.
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