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Claude Opus 4.8 vs DeepSeek V4-Pro

Claude Opus 4.8 leads in 3 of 8 categories

Arena ELO

Tie

Cheaper

Claude Opus 4.8

Faster

Tie

Detailed Comparison

CategoryClaude Opus 4.8DeepSeek V4-Pro
ProviderAnthropic DeepSeek
Context Window200K WIN128K
Input Price ($/1M)$5 WINN/A
Output Price ($/1M)$25 WINN/A
Arena ELON/A N/A
CodingN/A N/A
ReasoningN/A N/A
Speed (tokens/sec)N/A N/A
Open SourceNo No

Frequently Asked Questions

Which has a larger context window?

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

Is Claude Opus 4.8 or DeepSeek V4-Pro open source?

Claude Opus 4.8 is proprietary. DeepSeek V4-Pro is proprietary.