Gemini 3.5 Flash vs GPT-4o Mini
Compare Gemini 3.5 Flash and GPT-4o 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-4o 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-4o Mini
lightDescription
OpenAI's older small model was built for fast, cheap, focused tasks. GPT-4o Mini reads text and images and handles classification, extraction, translation, and short-form generation well. It is affordable and reliable for simple work, but it is now several generations old, with a modest feature set and outdated knowledge. OpenAI itself recommends newer small models for anything demanding.
About
About
Capabilities
Capabilities
Comparison
Why Use Gemini 3.5 Flash and GPT-4o 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-4o Mini
lightLightweight Coding Tasks
Suited to simple, well-scoped coding help, such as small scripts and quick fixes. Not built for complex engineering, OpenAI now points to newer small models for anything beyond focused tasks.
No-Reasoning Answers
A fast model with no reasoning step, so it answers directly rather than deliberating. Reliable on straightforward instructions, and less suited to multi-step problems that need worked-through logic.
A Modest Context Window
Handles a smaller window than current models, enough for everyday documents and conversations but not the large codebases or long document sets that newer models take in one pass.
Structured Short-Form Output
Strong at extracting structured data and drafting short content like email replies from thread history. Built for focused, repetitive text work rather than long-form or polished writing.
Analysis On Older Knowledge
Its training data is well behind current models, so it is fine for processing text you supply but weak on recent events, which need live sources rather than the model's own knowledge.
Text And Image Input
Reads text and images, so you can send screenshots or scanned pages alongside your prompt. Output is text only. OpenAI states audio and video are not supported.
Why Aymo
Why chat with Gemini 3.5 Flash and GPT-4o Mini on Aymo AI?
Aymo gives you more than access to Gemini 3.5 Flash and GPT-4o Mini—it provides a complete multi-model AI workspace designed for productivity.
Compare Responses
See how Gemini 3.5 Flash and GPT-4o Mini performs alongside Claude, Gemini, Grok, and other leading AI models.
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Upload Once
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