google
Google: Gemini 3.1 Pro Preview (batch)
Google's Gemini 3.1 Pro Preview is an advanced AI model capable of handling various input modalities including audio, file, image, text, and video. It boasts a vast context length of 1048576 tokens and supports both reasoning and tools integration, making it versatile for complex tasks. However, structured output support remains unverified. For those looking to integrate multiple input types and need robust reasoning capabilities, Gemini 3.1 Pro Preview is worth considering. Its blended benchmark score of 76.0 across four independent benchmarks places it in a competitive position, though its price point of $1.0 per million input tokens and $6.0 per million output tokens might be high for some budgets.
Quality Score
100/100
price + capability + benchmarks
Input Price
$1.00
per 1M tokens
Output Price
$6.00
per 1M tokens
Context Window
1,048,576
tokens
Benchmark results
Independent, published benchmarks. Blended score 76.0 across 4 benchmarks, last refreshed 2026-07-29. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 76.7 |
| AI Index Coding | software engineering tasks | 100.0 |
| AI Index Agentic | multi-step tool-using tasks | 35.3 |
| 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 58 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #2 | Audio SummarizationVoice · of 25 ranked | 163 |
| #2 | Video SummarizationVideo · of 25 ranked | 163 |
| #8 | Transcript CleanupWriting · of 25 ranked | 145 |
| #9 | OCR / Document ParsingData · of 25 ranked | 147 |
| #9 | Table Extraction from PDFsData · of 25 ranked | 147 |
| #10 | Code DocumentationCode · of 25 ranked | 146 |
| #10 | CSV / Spreadsheet CleanupData · of 25 ranked | 156 |
| #10 | Blog Post WritingWriting · of 25 ranked | 141 |
| #10 | Character RoleplayPersonal · of 25 ranked | 153 |
| #10 | Trip PlanningPersonal · of 25 ranked | 141 |
| #11 | Long-Document SummarizationWriting · of 25 ranked | 165 |
| #13 | Code ReviewCode · of 25 ranked | 170 |
| #13 | Code RefactoringCode · of 25 ranked | 169 |
| #13 | ETL ScriptingData · of 25 ranked | 157 |
| #13 | Creative WritingWriting · of 25 ranked | 160 |
| #13 | Screenwriting & DialogWriting · of 25 ranked | 160 |
| #13 | Academic WritingWriting · of 25 ranked | 160 |
| #13 | Legal DraftingProfessional · of 25 ranked | 160 |
| #13 | Medical Note SummarizationProfessional · of 25 ranked | 157 |
| #13 | Physics TutoringEducation · of 25 ranked | 148 |
| #13 | History TutoringEducation · of 25 ranked | 148 |
| #13 | Essay GradingEducation · of 25 ranked | 170 |
| #13 | Meeting NotesBusiness · of 25 ranked | 154 |
| #13 | RFP ResponseBusiness · of 25 ranked | 178 |
| #13 | OKRs & Strategic PlanningBusiness · of 25 ranked | 160 |
| #13 | RAG PipelinesAgents · of 25 ranked | 169 |
| #13 | Long-Context Q&AAgents · of 25 ranked | 160 |
| #13 | Math ProofsResearch · of 25 ranked | 160 |
| #14 | Legal ResearchProfessional · of 25 ranked | 172 |
| #14 | Contract ReviewProfessional · of 25 ranked | 181 |
| #14 | Scientific ResearchProfessional · of 25 ranked | 172 |
| #14 | Fiction CollaboratorPersonal · of 25 ranked | 172 |
| #14 | Literature ReviewResearch · of 25 ranked | 172 |
| #15 | Unit Test GenerationCode · of 25 ranked | 155 |
| #15 | CI/CD PipelinesCode · of 25 ranked | 145 |
| #17 | Regex WritingCode · of 25 ranked | 135 |
| #17 | Language TranslationWriting · of 25 ranked | 135 |
| #17 | Sales / Cold EmailBusiness · of 25 ranked | 123 |
| #17 | Resume WritingBusiness · of 25 ranked | 117 |
| #17 | Job Application DraftingBusiness · of 25 ranked | 123 |
| #17 | Journaling HelperPersonal · of 25 ranked | 123 |
| #17 | Recipe GenerationPersonal · of 25 ranked | 123 |
| #17 | Tutoring for KidsPersonal · of 25 ranked | 135 |
| #18 | Marketing CopyWriting · of 25 ranked | 130 |
| #18 | Standardized Test PrepEducation · of 25 ranked | 130 |
| #18 | Screenshot DebuggingVision · of 25 ranked | 142 |
| #18 | TTS ReplacementVoice · of 25 ranked | 115 |
| #19 | Frontend Component DesignCode · of 25 ranked | 145 |
| #19 | Chart & Graph ReadingVision · of 25 ranked | 151 |
| #20 | SQL GenerationCode · of 25 ranked | 169 |
| #20 | Fitness CoachingPersonal · of 25 ranked | 134 |
| #21 | Math TutoringEducation · of 25 ranked | 146 |
| #22 | SOP / Process DocsBusiness · of 25 ranked | 136 |
| #22 | Diagram ExtractionVision · of 25 ranked | 148 |
| #22 | Experiment DesignResearch · of 25 ranked | 155 |
| #25 | Bug FixingCode · of 25 ranked | 178 |
| #25 | TranscriptionVoice · of 25 ranked | 115 |
| #25 | Scientific CodingResearch · of 25 ranked | 178 |
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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.