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Claude 3.5 Sonnet vs DeepSeek V3 0324

SpecClaude 3.5 SonnetDeepSeek V3 0324
Respan Index15.8 (#145)15.9 (#143)
Blended price per 1M-$0.502
Context window200K-
Input / output per 1M-$0.29 / $1.14
Max output8K-
Inputtext, visiontext
Released2024-10-222025-03-25

Respan Index by category

Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.

CategoryClaude 3.5 SonnetDeepSeek V3 0324
Coding7.4 Claude 3.5 Sonnet4.1 DeepSeek V3 0324
Agents11.2 Claude 3.5 Sonnet9.7* DeepSeek V3 0324
Reasoning16.6 Claude 3.5 Sonnet18.7 DeepSeek V3 0324
Knowledge & language9.2* Claude 3.5 Sonnet11.4 DeepSeek V3 0324
Human preference40.3 Claude 3.5 Sonnet44.1 DeepSeek V3 0324

* Estimated: no published scores in that category. How the Respan Index works

Benchmarks both report

DeepSeek V3 0324 leads on 5 of the 6 benchmarks both report. Higher is better. Each score links to where it was published.

BenchmarkClaude 3.5 SonnetDeepSeek V3 0324
LMArena Elo13741395
GPQA Diamond55.3%68.4%
MATH Level 5 (Epoch AI)56.9%75.5%
OTIS Mock AIME 2024-2025 (Epoch AI)8.5%37.8%
WeirdML (Håvard Tveit Ihle)40%36.1%
AIME 20253.3%50%

FAQ

Is Claude 3.5 Sonnet better than DeepSeek V3 0324?

DeepSeek V3 0324 scores 15.9 on the Respan Index (#143), ahead of Claude 3.5 Sonnet at 15.8 (#145). DeepSeek V3 0324 leads on 5 of the 6 benchmarks both report.

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