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Claude Opus 4.8 vs DeepSeek V4

DeepSeek V4 leads in 2 of 8 categories

Arena ELO

Tie

Cheaper

DeepSeek V4

Faster

Tie

Detailed Comparison

CategoryClaude Opus 4.8DeepSeek V4
ProviderAnthropic DeepSeek
Context Window200K WIN128K
Input Price ($/1M)$5 $0.435 WIN
Output Price ($/1M)$25 $0.87 WIN
Arena ELON/A N/A
CodingN/A N/A
ReasoningN/A N/A
Speed (tokens/sec)N/A N/A
Open SourceNo Yes

Frequently Asked Questions

Which is cheaper, Claude Opus 4.8 or DeepSeek V4?

DeepSeek V4 is approximately 96% cheaper than Claude Opus 4.8 per million tokens.

Which has a larger context window?

Claude Opus 4.8 supports 200K context, while DeepSeek V4 supports 128K.

Is Claude Opus 4.8 or DeepSeek V4 open source?

Claude Opus 4.8 is proprietary. DeepSeek V4 is open source.

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