Claude Sonnet 3.6 (2022-10-22) vs DeepSeek V3 (March 2024)

Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against DeepSeek V3 (March 2024) by DeepSeek, context windows of 200K vs 128K, tested across 31 shared challenges. Updated February 2026.

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