Gemini 3.1 Pro Preview API pricing & setup
As of 2026-10-17, the cheapest Gemini 3.1 Pro Preview channel is Official (Intl): $2 input / $12 output per 1M tokens (blended $4.5). Context —.
→ Gemini hub: all prices, free access, setup
Context: — · Max output: — · Modalities: — · Listed: —
Channel comparison (per 1M tokens)
| Channel | Blended | Input | Output | Cached | Access & payment (this channel) | Notes | Source |
|---|---|---|---|---|---|---|---|
| Official (Intl) $2 / $12 | $4.5 | $2 | $12 | $0.2 | ✗CN direct?Alipay·unverified?ID·unverified?Intl card·unverified conditions source2026-10-17 | Prompts ≤200K; >200K: input $4 / output $18 models.dev ✓ | ai.google.dev 2026-10-17 |
Access & payment conditions are verified per channel (see the column above); unverified never counts as met.
How to use Gemini 3.1 Pro Preview in Claude Code / Codex / OpenCode
Provider-specific setup not yet verified. Generic setup: guides
Cheaper alternatives
GLM-5.3 Prime ($4.3) · GPT-6.1 Sol ($4) · Claude Sonnet 5.5 ($4) ·
Related comparisons
Gemini 4 Argon vs GPT-6.1 Sol · Claude Sonnet 5.5 vs Gemini 4 Argon · Gemini 3.8 Flash vs GPT-6 Luna · Compare any two →
Rankings: Cheapest LLM APIs · LLM APIs usable from mainland China · All Google Gemini models
Price history
- 2026-10-17 · Official (Intl) · Gemini 3.1 Pro Preview listed · $2 / $12
FAQ
How much does the Gemini 3.1 Pro Preview API cost?
Cheapest channel (Official (Intl)): $2 input / $12 output per 1M tokens, verified 2026-10-17.
Can I use Gemini 3.1 Pro Preview from China?
Official (Intl): direct no, Alipay unverified, ID required unverified, overseas card unverified
Is Gemini 3.1 Pro Preview free?
No free route or deal recorded for this model; pay-as-you-go.
What is Gemini 3.1 Pro Preview's context window?
— tokens