google
Google: Gemini 3.1 Pro Preview (batch)
Google's Gemini 3.1 Pro Preview (batch) is a comprehensive AI model capable of processing text, audio, images, video, and files, with an impressive context length of up to 1,048,576 tokens. It supports reasoning and tools integration, making it versatile for various applications; however, structured output support remains unverified. The model offers robust capabilities but comes at a cost: $1.0 per million input tokens and $6.0 per million output tokens. With a blended benchmark score of 76.7 across four independent tests, Gemini 3.1 Pro Preview is suitable for users who require advanced multimodal processing and extensive reasoning, despite its higher price point.
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 76.7 across 4 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 78.8 |
| AI Index Coding | software engineering tasks | 100.0 |
| AI Index Agentic | multi-step tool-using tasks | 38.0 |
| 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 44 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #2 | Audio SummarizationVoice · of 25 ranked | 163 |
| #2 | Video SummarizationVideo · of 25 ranked | 163 |
| #7 | Transcript CleanupWriting · of 25 ranked | 146 |
| #11 | Code DocumentationCode · of 25 ranked | 146 |
| #12 | CSV / Spreadsheet CleanupData · of 25 ranked | 157 |
| #12 | Character RoleplayPersonal · of 25 ranked | 154 |
| #13 | OCR / Document ParsingData · of 25 ranked | 147 |
| #13 | Table Extraction from PDFsData · of 25 ranked | 147 |
| #13 | Long-Document SummarizationWriting · of 25 ranked | 165 |
| #13 | Meeting NotesBusiness · of 25 ranked | 154 |
| #15 | Code RefactoringCode · of 25 ranked | 169 |
| #15 | ETL ScriptingData · of 25 ranked | 158 |
| #15 | Blog Post WritingWriting · of 25 ranked | 142 |
| #15 | Medical Note SummarizationProfessional · of 25 ranked | 158 |
| #15 | History TutoringEducation · of 25 ranked | 148 |
| #15 | RFP ResponseBusiness · of 25 ranked | 179 |
| #15 | RAG PipelinesAgents · of 25 ranked | 169 |
| #15 | Long-Context Q&AAgents · of 25 ranked | 160 |
| #15 | Trip PlanningPersonal · of 25 ranked | 142 |
| #16 | Legal ResearchProfessional · of 25 ranked | 173 |
| #16 | Contract ReviewProfessional · of 25 ranked | 182 |
| #16 | Scientific ResearchProfessional · of 25 ranked | 173 |
| #16 | Fiction CollaboratorPersonal · of 25 ranked | 173 |
| #16 | Literature ReviewResearch · of 25 ranked | 173 |
| #18 | Creative WritingWriting · of 25 ranked | 161 |
| #18 | Screenwriting & DialogWriting · of 25 ranked | 161 |
| #18 | Academic WritingWriting · of 25 ranked | 161 |
| #18 | Legal DraftingProfessional · of 25 ranked | 161 |
| #18 | OKRs & Strategic PlanningBusiness · of 25 ranked | 161 |
| #18 | Math ProofsResearch · of 25 ranked | 161 |
| #20 | CI/CD PipelinesCode · of 25 ranked | 146 |
| #20 | Physics TutoringEducation · of 25 ranked | 149 |
| #21 | Code ReviewCode · of 25 ranked | 170 |
| #21 | Essay GradingEducation · of 25 ranked | 170 |
| #21 | TTS ReplacementVoice · of 25 ranked | 115 |
| #24 | Regex WritingCode · of 25 ranked | 135 |
| #24 | Language TranslationWriting · of 25 ranked | 135 |
| #24 | Resume WritingBusiness · of 25 ranked | 117 |
| #24 | Tutoring for KidsPersonal · of 25 ranked | 135 |
| #25 | Unit Test GenerationCode · of 25 ranked | 155 |
| #25 | Sales / Cold EmailBusiness · of 25 ranked | 123 |
| #25 | Job Application DraftingBusiness · of 25 ranked | 123 |
| #25 | Journaling HelperPersonal · of 25 ranked | 123 |
| #25 | Recipe GenerationPersonal · of 25 ranked | 123 |
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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.