Google: Gemini 3.1 Pro Preview (batch)
The Google Gemini 3.1 Pro Preview is an AI model that accepts input from various modalities, including text, audio, file, image, and video, with a maximum context length of 1048576 tokens. It supports tools and reasoning capabilities. This model may be suitable for organizations or individuals looking to integrate multiple data types into their AI workflows at a moderate price point. With a benchmark blended score of 69.4 across two independent benchmarks, it demonstrates some level of performance in certain tasks. Its pricing structure charges $1.0 per million input tokens and $6.0 per million output tokens, which could be considered reasonable for users with medium to high input volumes but potentially prohibitive for those with low input needs.
Benchmark results
Independent, published benchmarks. Blended score 66.5 across 2 benchmarks, last refreshed 2026-09-23. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 49.0 |
| EQ-Bench | emotional understanding in dialogue | 74.3 |
- Model ID
- google/gemini-3.1-pro-preview:batch
- Vendor
- Released
- February 2026
- Tokenizer
- Gemini
- Input Modalities
- audio, file, image, text, video
- 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 $1.00/M input and $6.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.04 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.80 |
| A month of a busy support chatbot | 5M in / 2M out | $17.00 |
Strong choice for
Category rankings
Where Google: Gemini 3.1 Pro Preview (batch) places across the 45 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #2 | Audio SummarizationVoice · of 25 ranked | 153 |
| #2 | Video SummarizationVideo · of 25 ranked | 153 |
| #9 | Code DocumentationCode · of 25 ranked | 141 |
| #9 | Transcript CleanupWriting · of 25 ranked | 144 |
| #12 | Character RoleplayPersonal · of 25 ranked | 143 |
| #13 | Long-Document SummarizationWriting · of 25 ranked | 154 |
| #15 | History TutoringEducation · of 25 ranked | 138 |
| #15 | Long-Context Q&AAgents · of 25 ranked | 149 |
| #16 | Legal ResearchProfessional · of 25 ranked | 157 |
| #16 | Scientific ResearchProfessional · of 25 ranked | 157 |
| #16 | Fiction CollaboratorPersonal · of 25 ranked | 157 |
| #16 | Literature ReviewResearch · of 25 ranked | 157 |
| #17 | Code RefactoringCode · of 25 ranked | 153 |
| #17 | Blog Post WritingWriting · of 25 ranked | 132 |
| #17 | RAG PipelinesAgents · of 25 ranked | 153 |
| #17 | Trip PlanningPersonal · of 25 ranked | 132 |
| #19 | Creative WritingWriting · of 25 ranked | 146 |
| #19 | Screenwriting & DialogWriting · of 25 ranked | 146 |
| #19 | Academic WritingWriting · of 25 ranked | 146 |
| #19 | Legal DraftingProfessional · of 25 ranked | 146 |
| #19 | RFP ResponseBusiness · of 25 ranked | 157 |
| #19 | OKRs & Strategic PlanningBusiness · of 25 ranked | 146 |
| #19 | Math ProofsResearch · of 25 ranked | 146 |
| #20 | Contract ReviewProfessional · of 25 ranked | 161 |
| #21 | Code ReviewCode · of 25 ranked | 150 |
| #21 | Bug FixingCode · of 25 ranked | 154 |
| #21 | ETL ScriptingData · of 25 ranked | 142 |
| #21 | Medical Note SummarizationProfessional · of 25 ranked | 142 |
| #21 | Essay GradingEducation · of 25 ranked | 150 |
| #21 | Scientific CodingResearch · of 25 ranked | 154 |
| #22 | SQL GenerationCode · of 25 ranked | 144 |
| #22 | CI/CD PipelinesCode · of 25 ranked | 131 |
| #22 | CSV / Spreadsheet CleanupData · of 25 ranked | 139 |
| #22 | Physics TutoringEducation · of 25 ranked | 135 |
| #23 | Agent WorkflowsAgents · of 25 ranked | 158 |
| #23 | Coding AgentsAgents · of 25 ranked | 158 |
| #24 | Unit Test GenerationCode · of 25 ranked | 135 |
| #24 | Marketing CopyWriting · of 25 ranked | 121 |
| #24 | Standardized Test PrepEducation · of 25 ranked | 121 |
| #24 | Meeting NotesBusiness · of 25 ranked | 141 |
| #25 | Regex WritingCode · of 25 ranked | 126 |
| #25 | OCR / Document ParsingData · of 25 ranked | 135 |
| #25 | Table Extraction from PDFsData · of 25 ranked | 135 |
| #25 | Language TranslationWriting · of 25 ranked | 126 |
| #25 | Tutoring for KidsPersonal · of 25 ranked | 126 |
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Quick answers
- How much does Google: Gemini 3.1 Pro Preview (batch) cost?
- $1.00 per million input tokens and $6.00 per million output tokens.
- What is Google: Gemini 3.1 Pro Preview (batch)'s context window?
- 1,048,576 tokens, roughly 1,572 pages of text in a single request.
- Does Google: Gemini 3.1 Pro Preview (batch) support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Google: Gemini 3.1 Pro Preview (batch) process images?
- Yes, it accepts image input.