AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Gemini 2.0 Flash vs gpt-oss-120b

Google
Gemini 2.0 Flash
OpenAI
gpt-oss-120b
Overview
CompanyGoogleOpenAI
Release dateJan 30 2025Aug 5 2025
AccessProprietaryOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
15%Best
11%
Timeline
Release gapGemini 2.0 Flash shipped 187 days before gpt-oss-120b

Which is better: Gemini 2.0 Flash or gpt-oss-120b?

Gemini 2.0 Flash leads gpt-oss-120b on 1 of the 1 benchmark they both report (BullshitBench v2). Gemini 2.0 Flash shipped 187 days before gpt-oss-120b, so benchmark comparisons should account for the intervening progress.

Gemini 2.0 Flash is proprietary, while gpt-oss-120b is open weight.

On BullshitBench v2, Gemini 2.0 Flash leads at 15% vs gpt-oss-120b at 11%.

Frequently asked questions

Gemini 2.0 Flash was released by Google on Jan 30 2025.

gpt-oss-120b was released by OpenAI on Aug 5 2025.

Gemini 2.0 Flash is a proprietary model released by Google. gpt-oss-120b is an open weight model released by OpenAI.

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