Gemini 2.5 Pro Preview 06-05 vs GPT OSS 120B
Compare Gemini 2.5 Pro Preview 06-05 by Google AI against GPT OSS 120B by OpenAI, context windows of 1.0M vs 131K, tested across 44 shared challenges. Updated May 2026.
Which is better, Gemini 2.5 Pro Preview 06-05 or GPT OSS 120B?
Gemini 2.5 Pro Preview 06-05 and GPT OSS 120B are both competitive models. Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens vs $0.18/M for GPT OSS 120B. Context windows: 1049K vs 131K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 2.5 Pro Preview 06-05 and GPT OSS 120B
Gemini 2.5 Pro Preview 06-05 is made by google while GPT OSS 120B is from openai. Gemini 2.5 Pro Preview 06-05 has a 1049K token context window compared to GPT OSS 120B's 131K. On pricing, Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens vs $0.18/M for GPT OSS 120B.
Per 1M tokens
GPT OSS 120B is cheaper on both — 6.9× input, 13× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT OSS 120B is 13x cheaper per token — worth considering if cost matters.
Style Comparison
GPT OSS 120B uses 15.4x more emoji
