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OpenAI o3 vs GPT-4.1 Mini

Compare OpenAI o3 and GPT-4.1 Mini, both from OpenAI, tested across 43 shared challenges. Updated March 2026.

Which is better, OpenAI o3 or GPT-4.1 Mini?

OpenAI o3 and GPT-4.1 Mini are both competitive models. OpenAI o3 costs $10/M input tokens vs $0.4/M for GPT-4.1 Mini. Compare their real outputs side by side below.

Key Differences Between OpenAI o3 and GPT-4.1 Mini

OpenAI o3 is made by openai while GPT-4.1 Mini is from openai. On pricing, OpenAI o3 costs $10/M input tokens vs $0.4/M for GPT-4.1 Mini.

Our Verdict
OpenAI o3
OpenAI o3
GPT-4.1 Mini
GPT-4.1 MiniRunner-up

No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier.

GPT-4.1 Mini is 25x cheaper per token — worth considering if cost matters.

Too close to call
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