Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Grok 4.3
72
Sakana Fugu Ultra
100
Pick Sakana Fugu Ultra if you want the stronger benchmark profile. Grok 4.3 only becomes the better choice if you want the cheaper token bill.
Coding
+36.2 difference
Knowledge
+41.6 difference
Grok 4.3
Sakana Fugu Ultra
$1.25 / $2.5
$5 / $30
209 t/s
N/A
12.36s
N/A
1M
1M
Pick Sakana Fugu Ultra if you want the stronger benchmark profile. Grok 4.3 only becomes the better choice if you want the cheaper token bill.
Sakana Fugu Ultra is clearly ahead on the provisional aggregate, 100 to 72. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Sakana Fugu Ultra's sharpest advantage is in knowledge, where it averages 95.5 against 53.9. The single biggest benchmark swing on the page is GPQA, 90.1% to 95.5%.
Sakana Fugu Ultra is also the more expensive model on tokens at $5.00 input / $30.00 output per 1M tokens, versus $1.25 input / $2.50 output per 1M tokens for Grok 4.3. That is roughly 12.0x on output cost alone.
Sakana Fugu Ultra is ahead on BenchLM's provisional leaderboard, 100 to 72. The biggest single separator in this matchup is GPQA, where the scores are 90.1% and 95.5%.
Sakana Fugu Ultra has the edge for knowledge tasks in this comparison, averaging 95.5 versus 53.9. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Sakana Fugu Ultra has the edge for coding in this comparison, averaging 83.5 versus 47.3. Grok 4.3 stays close enough that the answer can still flip depending on your workload.
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