AnthropicClaude Sonnet 4.6VSDeepSeekDeepSeek V4 Flash
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Claude Sonnet 4.6 and DeepSeek V4 Flash directly in their respective provider playgrounds to see which fits your specific prompt styles best.
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Benchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
79.9%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$6.00Input: $3.00 | Output: $15.00Context Window
1.05M tokensBenchmarks & Scores
Coding (swe-bench-pro)
49.1%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+0.1%)
80%graduate-level science QA
Cost & Context
Cost (per 1M tokens)34.3x cheaper
$0.17Input: $0.14 | Output: $0.28Context Window
1.05M tokensFrequently Asked Questions about Claude Sonnet 4.6 vs DeepSeek V4 Flash
DeepSeek V4 Flash is cheaper than Claude Sonnet 4.6. DeepSeek V4 Flash has a blended cost of $0.17/1M tokens, which is about 34.3x cheaper than Claude Sonnet 4.6 at $6.00/1M tokens.
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