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Anthropic

Claude Sonnet 4.6

VS
DeepSeek

DeepSeek V4 Pro

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, DeepSeek V4 Pro is the premium intelligence choice, scoring 52.1% higher on coding benchmarks. However, Claude Sonnet 4.6 compensates by delivering 1.4x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Claude Sonnet 4.6 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of DeepSeek V4 Pro fully justifies the cost.

Model Specs

Claude Sonnet 4.6

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)
79.9%

Cost & Performance

Cost (per 1M tokens)
$6.00Input: $3.00 | Output: $15.00
Speed1.4x faster
54.3 tps
Context Window
1M tokens
Model Specs

DeepSeek V4 Pro

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+)
52.1%
Reasoning (gpqa-diamond)Winner (+8.1%)
88%

Cost & Performance

Cost (per 1M tokens)2.8x cheaper
$2.17Input: $1.74 | Output: $3.48
Speed
39.7 tps
Context Window
1M tokens
Read our data collection methodology

Frequently Asked Questions

DeepSeek V4 Pro is cheaper than Claude Sonnet 4.6. DeepSeek V4 Pro has a blended cost of $2.17/1M tokens, which is about 2.8x cheaper than Claude Sonnet 4.6 at $6.00/1M tokens.

Claude Sonnet 4.6 is faster than DeepSeek V4 Pro. Claude Sonnet 4.6 generates 54.3 tokens per second (tps) compared to DeepSeek V4 Pro which generates 39.7 tokens per second.

DeepSeek V4 Pro is better for coding tasks. It scores 52.1% on coding evaluations (swe-bench-pro) compared to Claude Sonnet 4.6 which scores N/A.

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