Google: Gemini 3.5 Flash (batch)
Google's Gemini 3.5 Flash (batch) is a versatile AI model capable of processing text, images, videos, files, and audio inputs. It maintains a substantial context length of up to 1,048,576 tokens and supports reasoning and tools integration, though it does not generate structured output directly. With an impressive benchmark score of 83.3 across three independent tests, Gemini 3.5 Flash is well-rounded but may be more suited for users requiring a combination of text and multimedia processing capabilities at a cost of $0.75 per million input tokens and $4.5 per million output tokens. Its moderate pricing makes it a viable option for those prioritizing performance over structured data handling.
Benchmark results
Independent, published benchmarks. Blended score 83.3 across 3 benchmarks, last refreshed 2026-07-29. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 82.8 |
| AI Index Coding | software engineering tasks | 100.0 |
| AI Index Agentic | multi-step tool-using tasks | 61.8 |
- Model ID
- google/gemini-3.5-flash:batch
- Vendor
- Released
- May 2026
- Tokenizer
- Gemini
- Input Modalities
- text, image, video, file, audio
- Output Modalities
- text
- Max Output
- 65,536 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- ✓ accepts audio
- Moderated
- no
What it costs in practice
Computed from the current $0.75/M input and $4.50/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.03 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.60 |
| A month of a busy support chatbot | 5M in / 2M out | $12.75 |
Strong choice for
Category rankings
Where Google: Gemini 3.5 Flash (batch) places across the 41 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #3 | Image CaptioningVision · of 25 ranked | 121 |
| #4 | TranscriptionVoice · of 25 ranked | 123 |
| #5 | Customer SupportBusiness · of 25 ranked | 133 |
| #6 | JSON ExtractionData · of 25 ranked | 147 |
| #7 | Audio SummarizationVoice · of 25 ranked | 158 |
| #7 | Video SummarizationVideo · of 25 ranked | 158 |
| #8 | TTS ReplacementVoice · of 25 ranked | 115 |
| #8 | Video Auto-TaggingVideo · of 25 ranked | 123 |
| #9 | Trivia & General KnowledgePersonal · of 25 ranked | 121 |
| #10 | Short-Form SummarizationWriting · of 25 ranked | 130 |
| #10 | Email DraftingWriting · of 25 ranked | 126 |
| #10 | Language LearningEducation · of 25 ranked | 126 |
| #10 | Chat CompanionPersonal · of 25 ranked | 130 |
| #12 | Dataset AnnotationResearch · of 25 ranked | 143 |
| #16 | Meeting NotesBusiness · of 25 ranked | 152 |
| #18 | Bulk Data LabelingData · of 25 ranked | 134 |
| #19 | Sales / Cold EmailBusiness · of 25 ranked | 122 |
| #19 | Job Application DraftingBusiness · of 25 ranked | 122 |
| #19 | Journaling HelperPersonal · of 25 ranked | 122 |
| #19 | Recipe GenerationPersonal · of 25 ranked | 122 |
| #20 | SOP / Process DocsBusiness · of 25 ranked | 136 |
| #20 | Diagram ExtractionVision · of 25 ranked | 148 |
| #20 | Function / Tool CallingAgents · of 25 ranked | 151 |
| #21 | Code CompletionCode · of 25 ranked | 132 |
| #21 | OCR / Document ParsingData · of 25 ranked | 146 |
| #21 | Table Extraction from PDFsData · of 25 ranked | 146 |
| #21 | Resume WritingBusiness · of 25 ranked | 117 |
| #22 | Regex WritingCode · of 25 ranked | 134 |
| #22 | CSV / Spreadsheet CleanupData · of 25 ranked | 153 |
| #22 | Marketing CopyWriting · of 25 ranked | 129 |
| #22 | Language TranslationWriting · of 25 ranked | 134 |
| #22 | Standardized Test PrepEducation · of 25 ranked | 129 |
| #22 | Browser AutomationAgents · of 25 ranked | 167 |
| #22 | Tutoring for KidsPersonal · of 25 ranked | 134 |
| #23 | SQL GenerationCode · of 25 ranked | 169 |
| #23 | Code DocumentationCode · of 25 ranked | 142 |
| #24 | Frontend Component DesignCode · of 25 ranked | 145 |
| #24 | Screenshot DebuggingVision · of 25 ranked | 141 |
| #24 | Chart & Graph ReadingVision · of 25 ranked | 151 |
| #25 | Blog Post WritingWriting · of 25 ranked | 139 |
| #25 | Trip PlanningPersonal · of 25 ranked | 139 |
Similar models
Google: Gemini 3.6 Flash
Google: Gemini 3.6 Flash (batch)
Google: Gemini 3.5 Flash Lite
Google: Gemini 3.5 Flash Lite (batch)
Google: Gemini 3.5 Flash
Google: Gemini 3.1 Flash Lite
Quick answers
- How much does Google: Gemini 3.5 Flash (batch) cost?
- $0.75 per million input tokens and $4.50 per million output tokens.
- What is Google: Gemini 3.5 Flash (batch)'s context window?
- 1,048,576 tokens, roughly 1,572 pages of text in a single request.
- Does Google: Gemini 3.5 Flash (batch) support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Google: Gemini 3.5 Flash (batch) process images?
- Yes, it accepts image input.