Gemini 3.5 Flash vs GPT-5 Mini
Compare Gemini 3.5 Flash and GPT-5 Mini side-by-side. See comparisons of price, response speed, accuracy, and file support to choose the best model for your task.
Overview
Gemini 3.5 Flash vs GPT-5 Mini Overview
Everything you need to know about these AI models, including capabilities, performance, pricing, and technical details.
Google / Gemini 3.5 Flash
proDescription
Google's newest Flash-tier model, and an unusual one. Google describes it as delivering near-Pro intelligence at Flash cost and speed, with Pro-level coding proficiency and parallel agentic execution. It reads text, images, audio, video, and PDFs across a one-million-token context window. Fast, cheap, and strong on tool use. Still a preview release, with the same modest output ceiling as the rest of the Gemini 3 line.
OpenAI / GPT-5 Mini
proDescription
OpenAI's smaller, faster GPT-5 model is built for well-defined tasks at low cost. GPT-5 Mini handles coding, writing, and analysis with the same reasoning-effort control as its larger siblings, at a fraction of the price. It reads text and images across a 400,000-token context. Its knowledge is dated, and OpenAI now points to newer models, but it remains a capable, economical everyday option.
About
About
Capabilities
Capabilities
Comparison
Why Use Gemini 3.5 Flash and GPT-5 Mini?
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Google / Gemini 3.5 Flash
proCoding at Flash Speed
Google claims Pro-level coding proficiency at Flash-tier cost, and lists agentic coding among its core strengths. Built for parallel agent execution, where several tasks run at once rather than one after another.
Adjustable Thinking
Thinking runs at minimal, low, medium, or high, defaulting to medium rather than high. That makes it cheaper and faster out of the box, with room to push harder when a problem needs it.
Handle full Codebases Context
A one-million-token context window, the same as Google's Pro tier. Load a full repository, a long document set, or hours of media, and work across all of it in a single session.
A Modest Output Ceiling
Writes up to 64,000 tokens in a single response, well short of what most frontier models produce. Enough for reports and documentation, but long-form generation has to be split into parts.
Search, Maps, and URL Grounding
Supports Google Search, Grounding with Google Maps, File Search, URL Context, and code execution, and can combine them in one request. Its knowledge cutoff is January 2025, so grounding matters.
Reads Video, Audio, and PDFs
Text, images, video, audio, and PDFs, all handled natively. Output is text only. Very few models accept video or audio input at all, which makes this range genuinely uncommon.
OpenAI / GPT-5 Mini
proCost-Efficient Coding
Built for coding help at scale rather than the hardest engineering problems. Handles routine generation, review, and explanation reliably, and its low price makes it suited to high-frequency use inside applications.
Adjustable Reasoning Effort
Reasoning effort runs from minimal through low, medium, and high, so you trade thinking time against cost per request. Reasoning tokens are supported, so the model can work through a problem first.
Room For Long Documents
A 400,000-token context window, roughly 300,000 words. Enough for long reports, large contracts, and substantial codebases in one session, though short of the million-token frontier models.
Everyday Writing
Handles emails, summaries, documentation, and general content reliably. Aimed at clear, correct output on ordinary writing tasks rather than the polished long-form work of the flagship models.
Analysis On Dated Knowledge
Its knowledge belongs to the GPT-5 generation, with a September 2024 cutoff. That is dated, so time-sensitive work needs live sources rather than the model's own training.
Text And Image Input
Reads text and images in the same prompt, so you can send screenshots, charts, or scanned pages alongside your question. Output is text only.
Why Aymo
Why chat with Gemini 3.5 Flash and GPT-5 Mini on Aymo AI?
Aymo gives you more than access to Gemini 3.5 Flash and GPT-5 Mini—it provides a complete multi-model AI workspace designed for productivity.
Compare Responses
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