In short. Each document uploaded to Gemini Apps can be up to 100 MB under Google's documented file upload limits.
Definition: As of 17 October 2026, a document uploaded to Gemini Apps can be up to 100 MB under Google's documented file upload limits. The same page gives videos a separate 2 GB limit and describes the 100 MB ceiling as applying to all other supported file types.
Key facts
- Google's Gemini file upload help sets the limit for each document and other non-video supported file at 100 MB.
- Each video can be up to 2 GB, while the 100 MB ceiling covers other supported file types, including documents.
- Gemini Apps can accept up to 10 supported files in one prompt, subject to availability. Files inside an uploaded folder count toward that limit.
- ZIP uploads can be up to 100 MB, contain up to 10 files, and cannot include video or audio files.
- Google's Gemini Apps limits documentation says the context window affects how much uploaded content Gemini Apps can understand together.
Is the 100 MB limit per document?
Yes. Google's file upload help says, “Each video can be up to 2 GB. All other supported file types can be up to 100 MB.” Documents fall within the second category. The limit applies to the individual file, so several documents can be added to one prompt if the prompt stays within the separate file-count and availability limits.
The upload page describes the feature as accepting documents, spreadsheets, notebooks, photos, videos, and other content for answers, summaries, and insights. Its wording sets one size ceiling for videos and another for every other supported file type. It does not publish a larger document-specific ceiling on that page.
What other upload limits apply?
The same Google documentation allows up to 10 supported files in one prompt, subject to availability. When a folder is uploaded, each file inside counts toward the 10-file limit. This means a folder containing 10 files uses the full documented count even though the folder is selected as one upload action.
ZIP files have their own conditions in the same section. A ZIP can contain up to 10 files and can be up to 100 MB. It cannot include video or audio files. The 100 MB figure therefore applies to the ZIP archive as an uploaded supported file, as well as to a standalone document.
Can a document within the size limit still exceed Gemini's reading capacity?
Yes. File size and context window are separate constraints. Google explains that Gemini Apps must read uploaded content and that the context window determines how much content can be understood together at one time. The limits page lists 32k tokens without an AI plan, 128k tokens for AI Plus, and 1 million tokens for AI Pro and AI Ultra.
Google also says that a file that is too large for the task can produce a response that misses connections or details throughout the content. Its limits documentation classifies large file analysis as medium relative usage and gives a 100-page PDF financial report as an example of a prompt requiring Gemini to read large blocks of data. The Help pages state that Gemini Apps limits may change based on testing, experimentation, or availability.
Related terms
- Gemini
- Can multiple website documents be compared in one Gemini prompt?
- Why can Gemini miss details in a large uploaded document?
- Gemini Deep Research
FAQ
Is 100 MB the limit for each document?
Yes. Google's file upload help states that all supported file types other than videos can be up to 100 MB, which covers documents.
Can a 100 MB document still produce an incomplete answer?
Yes. Google says that an oversized file can lead to responses that miss connections or details, and the context window limits how much content can be understood together. The applicable context window depends on the Google AI plan.
Does paying for a Google AI plan raise the document size limit?
The file upload help gives the 100 MB ceiling for other supported file types. The separate limits documentation describes larger context windows by plan, including 1 million tokens for AI Pro and AI Ultra, while also stating that Gemini Apps limits may change.
Sources
- Google, "Upload & analyze files in Gemini Apps", undated
- Google, "Gemini Apps limits & feature availability", undated
Check how a page reads to answer engines. Open the GEO score analyzer