Gemini 3.1 Pro Preview (batch)
$1.00 per 1M input tokens and $6.00 per 1M output tokens · 1.05M context · vision, audio, tools, reasoning, JSON.
Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026
What Gemini 3.1 Pro Preview (batch) costs per month
Estimated monthly bill for typical workloads. Try your own numbers in the cost calculator.
| Workload | Per month |
|---|---|
| Customer chatbot 1,000 conversations a day, 8 turns each | $864 |
| Document Q&A (RAG) 500 questions a day over retrieved documents | $135 |
| Coding / tool-using agent 200 tasks a day, long tool-heavy contexts | $504 |
| Content generation 30 long articles a day | $16.20 |
| Classification / extraction 100,000 short items a day | $1,170 |
Prompts above 200K tokens are billed at $2.00 input / $9.00 output per 1M.
Price history
We started tracking Gemini 3.1 Pro Preview (batch) on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.
Cheaper alternatives to Gemini 3.1 Pro Preview (batch)
Models with the same tool calling, image input, structured output for at least 20% less (3:1 input/output mix), most capable first.
| Model | Input / 1M | Output / 1M | Context | Capabilities |
|---|---|---|---|---|
| MiMo-V2.6-Pro Xiaomi | $0.435 | $0.87 | 1.05M | visionaudiotoolsreasoningJSONopen weights |
| Step 5 Preview Stepfun | $1.00 | $2.70 | 1.05M | visiontoolsreasoningJSONopen weights |
| Claude Haiku 5.5 Anthropic | $0.10 | $0.50 | 1M | visiontoolsreasoningJSON |
| GLM 5.3 Flash Z.ai | $0.041 | $0.12 | 1.05M | visiontoolsreasoningJSONopen weights |
| Gemini 3.8 Flash | $0.825 | $4.13 | 1.05M | visionaudiotoolsreasoningJSON |
How to pay less for Gemini 3.1 Pro Preview (batch)
For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $864 a month at list price without caching:
| Option | Per month | You save |
|---|---|---|
| Move to MiMo-V2.6-Pro (similar capabilities) | $136 | $728 (84%) |
Other workloads: cut-your-bill tool for Gemini 3.1 Pro Preview (batch).
Specifications
| Model ID | google/gemini-3.1-pro-preview:batch |
| Input | audio, file, image, text, video |
| Output | text |
| Tool calling | Yes |
| Structured output | Yes |
| Reasoning mode | Yes |
| Open weights | No |
| Released | Feb 19, 2026 |
| Web search | $0.014 per request |
FAQ
- How much does Gemini 3.1 Pro Preview (batch) cost?
- $1.00 per million input tokens and $6.00 per million output tokens. Prompts over 200K tokens are billed at $2.00 / $9.00. Prices as of Oct 21, 2026.
- What is the context window of Gemini 3.1 Pro Preview (batch)?
- 1.05M tokens, with up to 66K output tokens per response.
- Does Gemini 3.1 Pro Preview (batch) support images, tools and structured output?
- Images as input: yes. Tool calling: yes. Structured (JSON) output: yes. Reasoning mode: yes.
- What are cheaper alternatives to Gemini 3.1 Pro Preview (batch)?
- Models with the same key capabilities for at least 20% less include MiMo-V2.6-Pro ($0.435 / $0.87), Step 5 Preview ($1.00 / $2.70), Claude Haiku 5.5 ($0.10 / $0.50).
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