Head-to-head comparison across 3benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Grok 4.3
79
Ling 2.6 Flash
43
Pick Grok 4.3 if you want the stronger benchmark profile. Ling 2.6 Flash only becomes the better choice if knowledge is the priority or you would rather avoid the extra latency and token burn of a reasoning model.
Coding
+20.3 difference
Knowledge
+5.1 difference
Inst. Following
+24.3 difference
Grok 4.3
Ling 2.6 Flash
$1.25 / $2.5
$null / $null
209 t/s
209.5 t/s
12.36s
1.07s
1M
262K
Pick Grok 4.3 if you want the stronger benchmark profile. Ling 2.6 Flash only becomes the better choice if knowledge is the priority or you would rather avoid the extra latency and token burn of a reasoning model.
Grok 4.3 is clearly ahead on the provisional aggregate, 79 to 43. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 4.3's sharpest advantage is in instruction following, where it averages 81.3 against 57. The single biggest benchmark swing on the page is GPQA, 90.1% to 59%. Ling 2.6 Flash does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Grok 4.3 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. Grok 4.3 gives you the larger context window at 1M, compared with 262K for Ling 2.6 Flash.
Grok 4.3 is ahead on BenchLM's provisional leaderboard, 79 to 43. The biggest single separator in this matchup is GPQA, where the scores are 90.1% and 59%.
Ling 2.6 Flash has the edge for knowledge tasks in this comparison, averaging 59 versus 53.9. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Grok 4.3 has the edge for coding in this comparison, averaging 47.3 versus 27. Inside this category, SciCode is the benchmark that creates the most daylight between them.
Grok 4.3 has the edge for instruction following in this comparison, averaging 81.3 versus 57. Inside this category, IFBench is the benchmark that creates the most daylight between them.
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