Claude Opus 4.5 vs DeepSeek V3.2

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

Claude Opus 4.5 by Anthropic wins on 10 of 16 benchmarks against DeepSeek V3.2 by DeepSeek, which leads on 6. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

General Intelligence: In general intelligence, Claude Opus 4.5 scores 1468 on Chatbot Arena ELO compared to DeepSeek V3.2's 1370, while Claude Opus 4.5 scores 89.5% on MMLU-Pro compared to DeepSeek V3.2's 82.0%.

Coding: In coding, Claude Opus 4.5 scores 92.0% on HumanEval+ compared to DeepSeek V3.2's 87.0%, while Claude Opus 4.5 scores 80.9% on SWE-bench Verified compared to DeepSeek V3.2's 73.0%, while Claude Opus 4.5 scores 70.0% on LiveCodeBench compared to DeepSeek V3.2's 55.0%, while DeepSeek V3.2 scores 74.2% on Aider Polyglot compared to Claude Opus 4.5's 74.0%.

Math: In math, Claude Opus 4.5 scores 90.0% on MATH compared to DeepSeek V3.2's 85.0%, while Claude Opus 4.5 scores 96.5% on GSM8K compared to DeepSeek V3.2's 94.0%.

Reasoning: In reasoning, Claude Opus 4.5 scores 87.0% on GPQA Diamond compared to DeepSeek V3.2's 60.0%, while Claude Opus 4.5 scores 57.0% on ARC-AGI compared to DeepSeek V3.2's 42.0%.

Context: In context, Claude Opus 4.5 scores 200K on Context Length compared to DeepSeek V3.2's 164K.

Pricing Comparison

Claude Opus 4.5 costs $5.0/1M input tokens and $25.0/1M output tokens, while DeepSeek V3.2 costs $0.27/1M input and $0.40/1M output. DeepSeek V3.2 is the more affordable option for API usage.

Speed Comparison

Claude Opus 4.5 generates output at 50 tok/s compared to DeepSeek V3.2's 70 tok/s, and the time to first token is 1700 ms for Claude Opus 4.5 versus 400 ms for DeepSeek V3.2. DeepSeek V3.2 delivers faster throughput.

Verdict

For developers prioritizing coding and general intelligence and math, Claude Opus 4.5 has the edge. For those who value affordability and speed, DeepSeek V3.2 is the stronger choice.

Claude Opus 4.5 vs DeepSeek V3.2 — FAQ

Which is better, Claude Opus 4.5 or DeepSeek V3.2?

Claude Opus 4.5 wins on more benchmarks overall (10 vs 6). However, the best choice depends on your specific needs — each model excels in different areas.

How does Claude Opus 4.5 compare to DeepSeek V3.2 for coding?

Claude Opus 4.5 is better for coding, scoring 80.9% on SWE-bench Verified compared to 73.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.

Is Claude Opus 4.5 cheaper than DeepSeek V3.2?

Yes, DeepSeek V3.2 is cheaper. Claude Opus 4.5 costs $5.0/1M input and $25.0/1M output tokens. DeepSeek V3.2 costs $0.27/1M input and $0.40/1M output tokens.

Which is faster, Claude Opus 4.5 or DeepSeek V3.2?

DeepSeek V3.2 is faster, generating output at 70 tok/s compared to 50 tok/s. Faster output speed means shorter wait times for API responses.

What benchmarks does the Claude Opus 4.5 vs DeepSeek V3.2 comparison cover?

This comparison covers 16 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.