Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Claude Sonnet 4.5 is clearly ahead on the aggregate, 76 to 60. 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 57.5 against 35. The single biggest benchmark swing on the page is SWE-bench Verified, 66 to 39.
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 Ministral 3 14B (Reasoning). That is roughly Infinityx on output cost alone. Ministral 3 14B (Reasoning) 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. Claude Sonnet 4.5 gives you the larger context window at 200K, compared with 128K for Ministral 3 14B (Reasoning).
Pick Claude Sonnet 4.5 if you want the stronger benchmark profile. Ministral 3 14B (Reasoning) only becomes the better choice if you want the cheaper token bill or you want the stronger reasoning-first profile.
Claude Sonnet 4.5
70.3
Ministral 3 14B (Reasoning)
58.5
Claude Sonnet 4.5
57.5
Ministral 3 14B (Reasoning)
35
Claude Sonnet 4.5
91.4
Ministral 3 14B (Reasoning)
71.5
Claude Sonnet 4.5
86
Ministral 3 14B (Reasoning)
69.2
Claude Sonnet 4.5
70.7
Ministral 3 14B (Reasoning)
52.1
Claude Sonnet 4.5
90
Ministral 3 14B (Reasoning)
81
Claude Sonnet 4.5
88.4
Ministral 3 14B (Reasoning)
77.8
Claude Sonnet 4.5
92.4
Ministral 3 14B (Reasoning)
75.2
Claude Sonnet 4.5 is ahead overall, 76 to 60. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 66 and 39.
Claude Sonnet 4.5 has the edge for knowledge tasks in this comparison, averaging 70.7 versus 52.1. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Claude Sonnet 4.5 has the edge for coding in this comparison, averaging 57.5 versus 35. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Claude Sonnet 4.5 has the edge for math in this comparison, averaging 92.4 versus 75.2. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
Claude Sonnet 4.5 has the edge for reasoning in this comparison, averaging 86 versus 69.2. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
Claude Sonnet 4.5 has the edge for agentic tasks in this comparison, averaging 70.3 versus 58.5. Inside this category, OSWorld-Verified is the benchmark that creates the most daylight between them.
Claude Sonnet 4.5 has the edge for multimodal and grounded tasks in this comparison, averaging 91.4 versus 71.5. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
Claude Sonnet 4.5 has the edge for instruction following in this comparison, averaging 90 versus 81. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Claude Sonnet 4.5 has the edge for multilingual tasks in this comparison, averaging 88.4 versus 77.8. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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