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Claude 3.5 Sonnet vs GPT-4.1 mini

Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.

Claude 3.5 Sonnet

41

VS

GPT-4.1 mini

46

1 categoriesvs1 categories

Pick GPT-4.1 mini if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if coding is the priority.

Category Radar

Head-to-Head by Category

Category Breakdown

Coding

Claude 3.5 Sonnet
49vs23.6

+25.4 difference

Knowledge

GPT-4.1 mini
59.4vs64.2

+4.8 difference

Operational Comparison

Claude 3.5 Sonnet

GPT-4.1 mini

Price (per 1M tokens)

$3 / $15

$0.4 / $1.6

Speed

N/A

80 t/s

Latency (TTFT)

N/A

0.76s

Context Window

200K

1M

Quick Verdict

Pick GPT-4.1 mini if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if coding is the priority.

GPT-4.1 mini is clearly ahead on the provisional aggregate, 46 to 41. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-4.1 mini's sharpest advantage is in knowledge, where it averages 64.2 against 59.4. The single biggest benchmark swing on the page is SWE-bench Verified, 49% to 23.6%. Claude 3.5 Sonnet does hit back in coding, so the answer changes if that is the part of the workload you care about most.

Claude 3.5 Sonnet is also the more expensive model on tokens at $3.00 input / $15.00 output per 1M tokens, versus $0.40 input / $1.60 output per 1M tokens for GPT-4.1 mini. That is roughly 9.4x on output cost alone. GPT-4.1 mini gives you the larger context window at 1M, compared with 200K for Claude 3.5 Sonnet.

Benchmark Deep Dive

Frequently Asked Questions (3)

Which is better, Claude 3.5 Sonnet or GPT-4.1 mini?

GPT-4.1 mini is ahead on BenchLM's provisional leaderboard, 46 to 41. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 49% and 23.6%.

Which is better for knowledge tasks, Claude 3.5 Sonnet or GPT-4.1 mini?

GPT-4.1 mini has the edge for knowledge tasks in this comparison, averaging 64.2 versus 59.4. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 3.5 Sonnet or GPT-4.1 mini?

Claude 3.5 Sonnet has the edge for coding in this comparison, averaging 49 versus 23.6. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

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Last updated: April 24, 2026

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