Google: Gemini 2.5 Flash Preview 09-2025 vs GPT-4o (Omni)
Compare Google: Gemini 2.5 Flash Preview 09-2025 by Google AI against GPT-4o (Omni) by OpenAI, context windows of 1.0M vs 128K, tested across 51 shared challenges. Updated May 2026.
Which is better, Google: Gemini 2.5 Flash Preview 09-2025 or GPT-4o (Omni)?
Google: Gemini 2.5 Flash Preview 09-2025 and GPT-4o (Omni) are both competitive models. Google: Gemini 2.5 Flash Preview 09-2025 costs $0.3/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 1049K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Google: Gemini 2.5 Flash Preview 09-2025 and GPT-4o (Omni)
Google: Gemini 2.5 Flash Preview 09-2025 is made by google while GPT-4o (Omni) is from openai. Google: Gemini 2.5 Flash Preview 09-2025 has a 1049K token context window compared to GPT-4o (Omni)'s 128K. On pricing, Google: Gemini 2.5 Flash Preview 09-2025 costs $0.3/M input tokens vs $2.5/M for GPT-4o (Omni).
Per 1M tokens
Google: Gemini 2.5 Flash Preview 09-2025 is cheaper on both — 8.3× input, 4.0× output
No community votes yet. On paper, Google: Gemini 2.5 Flash Preview 09-2025 has the edge — newer, bigger context window.
Google: Gemini 2.5 Flash Preview 09-2025 is 4.0x cheaper per token — worth considering if cost matters.
Style Comparison
Google: Gemini 2.5 Flash Preview 09-2025 uses 5.4x more emoji
