Gemini 3.1 Pro Preview
vercel/google/gemini-3.1-pro-preview · family gemini-pro · in: text, image, pdf → out: text · price provider-declared (via models.dev). Capabilities: tools reasoning text image pdf.
$4.50
Blended $/1M (3:1)
$2
Input $/1M
$12
Output $/1M
$14.00
1M in + 1M out
$0.2 −90%
Cache read $/1M
#7056 of 8,511
Cheapest rank
- Provider
- Vercel AI Gateway (
vercel) - Kind
- text (outputs text)
- Context
- 1,000,000 tokens
- Max output
- 64,000 tokens
- Capabilities
- tools reasoning text image pdf
Same model, other providers
“Gemini 3.1 Pro Preview” is offered by 33 providers — cheapest-effective first. Kilo Gateway is the cheapest at $2.25 blended.
| Provider | Input | Output | Blended | Context |
|---|---|---|---|---|
| Kilo Gateway | $1 | $6 | $2.25 | 1M |
| Kenari | $1.2 | $7.14 | $2.69 | 1M |
| Vercel AI Gateway (this) | $2 | $12 | $4.50 | 1M |
| Vertex | $2 | $12 | $4.50 | 1M |
| Perplexity Agent | $2 | $12 | $4.50 | 1M |
| Requesty | $2 | $12 | $4.50 | 1M |
| Impossibl | $2 | $12 | $4.50 | 1M |
| Tempr Gateway | $2 | $12 | $4.50 | 1M |
| Auriko | $2 | $12 | $4.50 | 1M |
| Opper | $2 | $12 | $4.50 | 1M |
| 302.AI | $2 | $12 | $4.50 | 1M |
| $2 | $12 | $4.50 | 1M | |
| AIHubMix | $2 | $12 | $4.50 | 1M |
Call it
jishie indexes & prices models; it does not proxy inference.
Most providers are OpenAI-compatible — point base_url at Vercel AI Gateway and pass this model id:
curl $BASE_URL/v1/chat/completions \
-H "Authorization: Bearer $API_KEY" -H "Content-Type: application/json" \
-d '{"model":"google/gemini-3.1-pro-preview","messages":[{"role":"user","content":"hello"}]}'
Route programmatically with MCP find_model / get_model, or fetch this record free (no wallet):