Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Sonnet 4.5
66
ZAYA1-74B-Preview
58
Pick Claude Sonnet 4.5 if you want the stronger benchmark profile. ZAYA1-74B-Preview only becomes the better choice if you want the cheaper token bill or you need the larger 256K context window.
Coding
+24.0 difference
Knowledge
+19.1 difference
Claude Sonnet 4.5
ZAYA1-74B-Preview
$3 / $15
$0 / $0
N/A
N/A
N/A
N/A
200K
256K
Pick Claude Sonnet 4.5 if you want the stronger benchmark profile. ZAYA1-74B-Preview only becomes the better choice if you want the cheaper token bill or you need the larger 256K context window.
Claude Sonnet 4.5 is clearly ahead on the provisional aggregate, 66 to 58. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Sonnet 4.5's sharpest advantage is in coding, where it averages 77.2 against 53.2. The single biggest benchmark swing on the page is GPQA, 83.4% to 57.3%.
Claude Sonnet 4.5 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 ZAYA1-74B-Preview. That is roughly Infinityx on output cost alone. ZAYA1-74B-Preview is the reasoning model in the pair, while Claude Sonnet 4.5 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. ZAYA1-74B-Preview gives you the larger context window at 256K, compared with 200K for Claude Sonnet 4.5.
Claude Sonnet 4.5 is ahead on BenchLM's provisional leaderboard, 66 to 58. The biggest single separator in this matchup is GPQA, where the scores are 83.4% and 57.3%.
Claude Sonnet 4.5 has the edge for knowledge tasks in this comparison, averaging 83.4 versus 64.3. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Claude Sonnet 4.5 has the edge for coding in this comparison, averaging 77.2 versus 53.2. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
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