Compare DeepSeek R1 0528 by DeepSeek against GPT-4o (Omni) by OpenAI, context windows of 164K vs 128K, tested across 53 shared challenges. Updated May 2026.
DeepSeek R1 0528 and GPT-4o (Omni) are both competitive models. DeepSeek R1 0528 costs $0/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 164K vs 128K tokens. Compare their real outputs side by side below.
DeepSeek R1 0528 is made by deepseek while GPT-4o (Omni) is from openai. DeepSeek R1 0528 has a 164K token context window compared to GPT-4o (Omni)'s 128K. On pricing, DeepSeek R1 0528 costs $0/M input tokens vs $2.5/M for GPT-4o (Omni).
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-4o (Omni) uses 2.5x more emoji
Compare DeepSeek R1 0528 by DeepSeek against GPT-4o (Omni) by OpenAI, context windows of 164K vs 128K, tested across 53 shared challenges. Updated May 2026.
DeepSeek R1 0528 and GPT-4o (Omni) are both competitive models. DeepSeek R1 0528 costs $0/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 164K vs 128K tokens. Compare their real outputs side by side below.
DeepSeek R1 0528 is made by deepseek while GPT-4o (Omni) is from openai. DeepSeek R1 0528 has a 164K token context window compared to GPT-4o (Omni)'s 128K. On pricing, DeepSeek R1 0528 costs $0/M input tokens vs $2.5/M for GPT-4o (Omni).
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-4o (Omni) uses 2.5x more emoji