Google · Closed
Gemini 3.1 Pro Preview API Member pricing vs list price
google/gemini-3.1-pro-preview
ClosedGemini 3.1 Pro Preview is a closed model from Google with a 1M-token context window. It lists at $2.00 input and $12.00 output per 1M tokens, and Members pay $1.90 and $11.40 with a Private key.
Gemini 3.1 Pro Preview prices per 1M tokens
Input / output, by membership tier and data policy. Every price is a percent of the provider's public list price.
| Tier | Private | Research ShareFinancial incentive notice |
|---|---|---|
| List price | $2.00 input, $12.00 output per 1M tokens | |
| Guest | Members onlyBecome a Member | Members onlyBecome a Member |
| Member | $1.90 input, $11.40 output per 1M tokens5% off list price | $1.80 input, $10.80 output per 1M tokens10% off list price |
| Executive | $1.70 input, $10.20 output per 1M tokens15% off list price | $1.60 input, $9.60 output per 1M tokens20% off list price |
Does Member pay for itself on Gemini 3.1 Pro Preview?
- Member ($199 a year) pays for itself once your Gemini 3.1 Pro Preview spend at list price passes $332 a month with a Private key (about 74M tokens at a 3:1 input-to-output mix) or $166 a month with Research Share.
- Executive ($1,999 a year) costs less than Member above $1,500 a month (Private keys), about 333M tokens a month.
At this volume Member · Research Share saves $28.42 a month against list price.
| Plan | Usage / mo | Fee / mo | Net vs list / mo | Pays off above |
|---|---|---|---|---|
| Member · Private | $428 | $16.58 | $5.92 | 74M tokens |
| Member · Research Share | $405 | $16.58 | $28.42 | 37M tokens |
| Executive · Private | $383 | $167 | −$99.08 | 247M tokens |
| Executive · Research Share | $360 | $167 | −$76.58 | 185M tokens |
Usage at each plan's price per token. The fee is the annual membership fee divided by 12 and covers every model, so spend on other models counts toward it too.
Specs
| Provider | |
|---|---|
| Model type | Closed (proprietary API) |
| Context window | 1,048,576 tokens (1M) |
| Input and output | Text in, text out (chat completions) |
| Model ID | google/gemini-3.1-pro-preview |
| Endpoint | POST https://api.bearer.club/v1/chat/completions |
| Plans | Member, Executive |
| List price per 1M tokens | $2.00 input, $12.00 output |
List price rank: 56th lowest input price and 60th lowest output price of the 69 models. Its context window is larger than 45 of them.
Where Gemini 3.1 Pro Preview fits
The "Pro" in its name marks a larger tier of Google's lineup. Tiers like this are usually tried on harder requests, such as multi-step reasoning, long documents and agent planning; check whether a lighter tier is enough for your traffic. By list price at a 3:1 input-to-output mix it is in the highest-priced third of the 69 models on Bearer Club.
Its context window of 1,048,576 tokens can take very long inputs, such as long documents, large code files or long chat histories, in one request.
It is a closed model from Google, so it is for Members and Executives only.
Bearer Club does not publish benchmark scores. Test Gemini 3.1 Pro Preview on your own prompts before you move traffic to it.
What 1,000 requests cost
Example request shapes, priced per 1,000 requests from the per-token prices above.
| Request (input / output tokens) | List price | Member Private | Executive Private |
|---|---|---|---|
| Short chat reply1,000 / 300 | $5.60 | $5.32 | $4.76 |
| Document summary20,000 / 1,000 | $52.00 | $49.40 | $44.20 |
| Long-context read200,000 / 2,000 | $424 | $403 | $360 |
Related models
- Gemini 3.7 Flash
$0.75 input / $3.75 output at list, 3× cheaper than Gemini 3.1 Pro Preview at a 3:1 mix; 1M-token context; closed, members only.
- Gemini 3.8 Flash
$0.75 input / $3.75 output at list, 3× cheaper than Gemini 3.1 Pro Preview at a 3:1 mix; 1M-token context; closed, members only.
- GPT-5.6 Terra
$2.00 input / $12.00 output at list, the same as Gemini 3.1 Pro Preview at a 3:1 mix; 1M-token context; closed, members only.
- Claude Sonnet 5.5
$2.00 input / $10.00 output at list, 11% cheaper than Gemini 3.1 Pro Preview at a 3:1 mix; 1M-token context; closed, members only.
Data policy for this model
Private: Your prompts and outputs are never used for training and never shared or licensed. For security, abuse prevention and debugging we store request and response content, encrypted, and delete it after 30 days; error details may be kept longer. We also keep usage details (model, tokens, cost, latency, status and time). The model provider may keep requests briefly for abuse monitoring under its own terms.
Research Share: available. Opt in per key and pay less. Data from that key will be used to accelerate AGI and supplied to top frontier labs for AGI purposes, and only for traffic after you opt in.
Regions
Each model is served only in the regions its provider supports. Per-model region details are not published yet.
Use Gemini 3.1 Pro Preview with the OpenAI SDK
Change two settings: point the SDK at https://api.bearer.club/v1 and use your Bearer Club key, then pass google/gemini-3.1-pro-preview as the model.
curl https://api.bearer.club/v1/chat/completions \ -H "Authorization: Bearer $BEARER_CLUB_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "google/gemini-3.1-pro-preview", "messages": [{"role": "user", "content": "Hello from the Club!"}] }'import osfrom openai import OpenAIclient = OpenAI( base_url="https://api.bearer.club/v1", api_key=os.environ["BEARER_CLUB_API_KEY"], # your membership card)resp = client.chat.completions.create( model="google/gemini-3.1-pro-preview", messages=[{"role": "user", "content": "Hello from the Club!"}],)print(resp.choices[0].message.content)import OpenAI from "openai";const client = new OpenAI({ baseURL: "https://api.bearer.club/v1", apiKey: process.env.BEARER_CLUB_API_KEY, // your membership card});const resp = await client.chat.completions.create({ model: "google/gemini-3.1-pro-preview", messages: [{ role: "user", content: "Hello from the Club!" }],});console.log(resp.choices[0].message.content);The official OpenAI SDKs and most OpenAI-compatible tools, such as Cursor, Cline, Continue, Open WebUI and LiteLLM, work the same way; the name of the base URL setting varies by tool.
Gemini 3.1 Pro Preview FAQ
How much does Gemini 3.1 Pro Preview cost on Bearer Club?
Gemini 3.1 Pro Preview lists at $2.00 input and $12.00 output per 1M tokens. Members pay $1.90 / $11.40 with a Private key and $1.80 / $10.80 with Research Share; Executives pay $1.70 / $10.20 and $1.60 / $9.60.
Can Guests use Gemini 3.1 Pro Preview?
No. Gemini 3.1 Pro Preview is a closed model from Google, and it needs a Member ($199 a year) or Executive ($1,999 a year) membership.
When does Member pay for itself on Gemini 3.1 Pro Preview?
Member ($199 a year) pays for itself above about $332 a month of Gemini 3.1 Pro Preview spend at list price with a Private key, or $166 a month with Research Share. The fee is shared across every model you call, so spend on other models counts too.
What context window does Gemini 3.1 Pro Preview support?
1,048,576 tokens, roughly 790,000 English words. The prompt and the answer together have to fit in it.
What is the model id for Gemini 3.1 Pro Preview on Bearer Club?
Use google/gemini-3.1-pro-preview as the model in requests to https://api.bearer.club/v1/chat/completions. The same id appears in the https://api.bearer.club/v1/models list.
Further reading
- OpenRouter alternatives ranked by price and model access
OpenRouter alternatives compared by pricing model, model count and real per-token cost: which service saves most at volume and which has the widest catalog.
- OpenAI-compatible API explained: one key for 69 models
OpenAI-compatible API: change base_url and api_key to reach 69 models including GPT-6, Claude, DeepSeek, and Gemini through Bearer Club at member prices.
Discounts are measured against each provider's public list price and vary by model, membership tier and data policy. See Pricing.