Gemini 3.1 Pro Preview costs $2.00/1M input tokens and $12.00/1M output tokens as of 2026-06-27. Google publishes this model with a 1M tokens context window. o10 lists Gemini 3.1 Pro Preview on Google Gemini at routing band C4. API slug gemini-3.1-pro-preview. Verify list prices against the venue you call.
Last updated: 2026-06-27. Full catalog. Reference prices are dated snapshots. Compare total cost and measured task quality before choosing a route.
Gemini 3.1 Pro Preview is a chat model from google (slug: gemini-3.1-pro-preview). Pick Gemini 3.1 Pro Preview when Flash fails the quality floor and you still want Google Gemini rather than Claude or GPT. Published input pricing starts at $2.00/1M tokens. Context window: 1M tokens.
Catalog snapshot 2026-06-27.
Pick Gemini 3.1 Pro Preview when Flash fails the quality floor and you still want Google Gemini rather than Claude or GPT. Gemini 3.1 Pro Preview is the Pro line. Flash is the usual default for volume; Pro is the spend-up path.
Gemini 3.1 Pro Preview is the Pro line. Flash is the usual default for volume; Pro is the spend-up path.
Gemini 3.1 Pro Preview costs $2.00/1M input tokens and $12.00/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.
Sourced from gateway catalog snapshot.
Gemini 3.1 Pro Preview is configured on Google Gemini. Known host IDs: google: gemini/gemini-3.1-pro-preview. This model is routable through o10 eval-gated routing.
Gemini 3.1 Pro Preview supports a 1M tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.
Gemini 3.1 Pro Preview is classified at o10 routing band C4. Bands group models by cost tier and eval profile: C0 (economy), C1 (standard), C2 (capable), C3/C4 (frontier). Production routing is enabled for this slug.
Gemini 3.1 Pro Preview is attributed to source provider google in the o10 catalog. Fulfillment hosts (Google Gemini) supply API access; list pricing may differ by venue.
Gemini 3.1 Pro Preview in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `gemini-3.1-pro-preview` |
| Type | text |
| Band | C4 |
| Routable | Yes |
| Source provider | |
| Primary host | Google Gemini |
| Gateway ID | `google/gemini-3.1-pro-preview` |
| Context window | 1,000,000 tokens |
| Released | 2025-11-18 |
Gateway snapshot pricing for Gemini 3.1 Pro Preview.
| Unit | Price |
|---|---|
| Input | $2/1M tokens |
| Output | $12/1M tokens |
Upstream venues configured for Gemini 3.1 Pro Preview.
| Host | Upstream model ID |
|---|---|
| gemini/gemini-3.1-pro-preview |
Endpoint-level pricing and latency from the gateway catalog.
| Provider | Input ($/1M) | Latency p50 | Uptime 1d |
|---|---|---|---|
| $2 | 5504ms | 9678.2% | |
| vertex | $2 | 4341ms | 9963.4% |
Eval-gated model selection for this slug.
o10 slug: gemini-3.1-pro-preview. Band: C4. Routable: yes.
See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/frontier, o10/squad) and [/kyi](/kyi) for governance.
Fulfillment catalog 2026-06-27. Gateway pricing joined where slug match exists.
Gemini 3.1 Pro Preview costs $2.00/1M input tokens and $12.00/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.
Gemini 3.1 Pro Preview supports 1M tokens in the gateway catalog snapshot. Host-specific endpoints may differ.
Gemini 3.1 Pro Preview (gemini-3.1-pro-preview) is configured on: Google Gemini. Upstream model IDs are listed in the fulfillment routes section.
Yes. Gemini 3.1 Pro Preview is routable at band C4. Send model: "gemini-3.1-pro-preview" or use an o10 smart routing alias.
Use o10 slug "gemini-3.1-pro-preview" or gateway ID "google/gemini-3.1-pro-preview" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.
o10 routes Gemini 3.1 Pro Preview only when per-use-case evals clear at your quality floor. Band C4 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.