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Claude 3.5 Sonnet vs DeepSeek V4 Pro Base

Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.

Claude 3.5 Sonnet

41

VS

DeepSeek V4 Pro Base

43

0 categoriesvs1 categories

Pick DeepSeek V4 Pro Base if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Category Radar

Head-to-Head by Category

Category Breakdown

Knowledge

DeepSeek V4 Pro Base
59.4vs63.4

+4.0 difference

Operational Comparison

Claude 3.5 Sonnet

DeepSeek V4 Pro Base

Price (per 1M tokens)

$3 / $15

$null / $null

Speed

N/A

N/A

Latency (TTFT)

N/A

N/A

Context Window

200K

1M

Quick Verdict

Pick DeepSeek V4 Pro Base if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

DeepSeek V4 Pro Base has the cleaner provisional overall profile here, landing at 43 versus 41. It is a real lead, but still close enough that category-level strengths matter more than the headline number.

DeepSeek V4 Pro Base's sharpest advantage is in knowledge, where it averages 63.4 against 59.4.

DeepSeek V4 Pro Base gives you the larger context window at 1M, compared with 200K for Claude 3.5 Sonnet.

Benchmark Deep Dive

Frequently Asked Questions (2)

Which is better, Claude 3.5 Sonnet or DeepSeek V4 Pro Base?

DeepSeek V4 Pro Base is ahead on BenchLM's provisional leaderboard, 43 to 41.

Which is better for knowledge tasks, Claude 3.5 Sonnet or DeepSeek V4 Pro Base?

DeepSeek V4 Pro Base has the edge for knowledge tasks in this comparison, averaging 63.4 versus 59.4. Claude 3.5 Sonnet stays close enough that the answer can still flip depending on your workload.

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Last updated: April 24, 2026

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