DeepSeek R1 vs xAI: Grok 4.3
Compare DeepSeek R1 by DeepSeek against xAI: Grok 4.3 by xAI, context windows of 128K vs 1.0M, tested across 53 shared challenges. Updated May 2026.
Which is better, DeepSeek R1 or xAI: Grok 4.3?
DeepSeek R1 and xAI: Grok 4.3 are both competitive models. DeepSeek R1 costs $0.55/M input tokens vs $1.25/M for xAI: Grok 4.3. Context windows: 128K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek R1 and xAI: Grok 4.3
DeepSeek R1 is made by deepseek while xAI: Grok 4.3 is from xai. DeepSeek R1 has a 128K token context window compared to xAI: Grok 4.3's 1000K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $1.25/M for xAI: Grok 4.3.
Per 1M tokens
DeepSeek R1 is cheaper on both — 2.3× input, 1.1× output
No community votes yet. On paper, xAI: Grok 4.3 has the edge — newer, bigger context window.
Style Comparison
DeepSeek R1 uses 4.3x more emoji
