Compare DeepSeek R1 by DeepSeek against xAI: Grok 4 by xAI, context windows of 128K vs 256K, tested across 52 shared challenges. Updated May 2026.
DeepSeek R1 and xAI: Grok 4 are both competitive models. DeepSeek R1 costs $0.55/M input tokens vs $3/M for xAI: Grok 4. Context windows: 128K vs 256K tokens. Compare their real outputs side by side below.
DeepSeek R1 is made by deepseek while xAI: Grok 4 is from xai. DeepSeek R1 has a 128K token context window compared to xAI: Grok 4's 256K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $3/M for xAI: Grok 4.
DeepSeek R1 is cheaper on both — 5.5× input, 6.8× output
No community votes yet. On paper, xAI: Grok 4 has the edge — newer, bigger context window.
DeepSeek R1 is 6.8x cheaper per token — worth considering if cost matters.
DeepSeek R1 uses 6.3x more transitions
Compare DeepSeek R1 by DeepSeek against xAI: Grok 4 by xAI, context windows of 128K vs 256K, tested across 52 shared challenges. Updated May 2026.
DeepSeek R1 and xAI: Grok 4 are both competitive models. DeepSeek R1 costs $0.55/M input tokens vs $3/M for xAI: Grok 4. Context windows: 128K vs 256K tokens. Compare their real outputs side by side below.
DeepSeek R1 is made by deepseek while xAI: Grok 4 is from xai. DeepSeek R1 has a 128K token context window compared to xAI: Grok 4's 256K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $3/M for xAI: Grok 4.
DeepSeek R1 is cheaper on both — 5.5× input, 6.8× output
No community votes yet. On paper, xAI: Grok 4 has the edge — newer, bigger context window.
DeepSeek R1 is 6.8x cheaper per token — worth considering if cost matters.
DeepSeek R1 uses 6.3x more transitions