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Claude 3.5 Sonnet vs Gemini 2.5 Pro

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

Claude 3.5 Sonnet

42

VS

Gemini 2.5 Pro

67

1 categoriesvs1 categories

Pick Gemini 2.5 Pro if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if knowledge is the priority.

Category Radar

Head-to-Head by Category

Category Breakdown

Coding

Gemini 2.5 Pro
49vs63.8

+14.8 difference

Knowledge

Claude 3.5 Sonnet
59.4vs40.8

+18.6 difference

Operational Comparison

Claude 3.5 Sonnet

Gemini 2.5 Pro

Price (per 1M tokens)

$null / $null

$1.25 / $5

Speed

N/A

117 t/s

Latency (TTFT)

N/A

21.19s

Context Window

200K

1M

Quick Verdict

Pick Gemini 2.5 Pro if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if knowledge is the priority.

Gemini 2.5 Pro is clearly ahead on the provisional aggregate, 67 to 42. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemini 2.5 Pro's sharpest advantage is in coding, where it averages 63.8 against 49. The single biggest benchmark swing on the page is GPQA, 59.4% to 83%. Claude 3.5 Sonnet does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

Gemini 2.5 Pro 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 Gemini 2.5 Pro?

Gemini 2.5 Pro is ahead on BenchLM's provisional leaderboard, 67 to 42. The biggest single separator in this matchup is GPQA, where the scores are 59.4% and 83%.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Gemini 2.5 Pro?

Claude 3.5 Sonnet has the edge for knowledge tasks in this comparison, averaging 59.4 versus 40.8. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 3.5 Sonnet or Gemini 2.5 Pro?

Gemini 2.5 Pro has the edge for coding in this comparison, averaging 63.8 versus 49. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

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Last updated: April 20, 2026

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