Gemini 3.5 Flash-Litevsgpt-oss-20b
Gemini 3.5 Flash-Lite | gpt-oss-20b | |
|---|---|---|
| Benchmarks | ||
Agentic coding SWE-Bench ProCan the AI fix real bugs in real software? It's handed actual problems from open-source projects and has to write code that genuinely solves them. Higher is better. | 54.2% | — |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | 54% | — |
Browser agent BU BenchCan the AI drive a real web browser to finish tasks — clicking, filling forms, and navigating sites the way a person would? Run by Browser Use on their BU Bench task set. Higher is better. | 49% | — |
Agentic computer use OSWorld-VerifiedCan the AI actually operate a computer — clicking, typing, and using real apps — to finish tasks on its own? Higher is better. | 74% | — |
Knowledge work GDPval-AA v2economically valuable knowledge work (v2, re-based Elo) | 1140 | — |
| Timeline | ||
| Release gap | gpt-oss-20b shipped 350 days before Gemini 3.5 Flash-Lite | |
| Overview | ||
| Company | OpenAI | |
| Release date | Jul 21 2026 | Aug 5 2025 |
| Access | Proprietary | Open Weight |
Which is better: Gemini 3.5 Flash-Lite or gpt-oss-20b?
Gemini 3.5 Flash-Lite and gpt-oss-20b don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. gpt-oss-20b shipped 350 days before Gemini 3.5 Flash-Lite, so benchmark comparisons should account for the intervening progress.
Gemini 3.5 Flash-Lite is proprietary, while gpt-oss-20b is open weight.
Direct benchmark comparisons are unavailable — Gemini 3.5 Flash-Lite and gpt-oss-20b don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini 3.5 Flash-Lite was released by Google on Jul 21 2026.
gpt-oss-20b was released by OpenAI on Aug 5 2025.
Gemini 3.5 Flash-Lite is a proprietary model released by Google. gpt-oss-20b is an open weight model released by OpenAI.
Other comparisons
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