Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Sonnet 5
94
Gemma 4 26B A4B
55
Pick Claude Sonnet 5 if you want the stronger benchmark profile. Gemma 4 26B A4B only becomes the better choice if you want the cheaper token bill.
Knowledge
+8.2 difference
Claude Sonnet 5
Gemma 4 26B A4B
$3 / $15
$0 / $0
N/A
N/A
N/A
N/A
1M
256K
Pick Claude Sonnet 5 if you want the stronger benchmark profile. Gemma 4 26B A4B only becomes the better choice if you want the cheaper token bill.
Claude Sonnet 5 is clearly ahead on the provisional aggregate, 94 to 55. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Sonnet 5's sharpest advantage is in knowledge, where it averages 57.4 against 49.2. The single biggest benchmark swing on the page is HLE, 57.4% to 17.2%.
Claude Sonnet 5 is also the more expensive model on tokens at $3.00 input / $15.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Gemma 4 26B A4B. That is roughly Infinityx on output cost alone. Claude Sonnet 5 gives you the larger context window at 1M, compared with 256K for Gemma 4 26B A4B.
Claude Sonnet 5 is ahead on BenchLM's provisional leaderboard, 94 to 55. The biggest single separator in this matchup is HLE, where the scores are 57.4% and 17.2%.
Claude Sonnet 5 has the edge for knowledge tasks in this comparison, averaging 57.4 versus 49.2. Inside this category, HLE is the benchmark that creates the most daylight between them.
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