Gemini 2.5 Pro costs $1.25/1M input tokens and $10.00/1M output tokens as of 2026-06-27. Google publishes this model with a 1.0M tokens context window. o10 lists Gemini 2.5 Pro on OpenRouter at routing band C2. API slug google-gemini-2-5-pro. 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 2.5 Pro. Price, context, and routing

AnswersSelf-contained

What is Gemini 2.5 Pro?

Gemini 2.5 Pro is a chat model from google (slug: google-gemini-2-5-pro). Pick Gemini 2.5 Pro when Flash fails the quality floor and you still want Google Gemini rather than Claude or GPT. Published input pricing starts at $1.25/1M tokens. Context window: 1.0M tokens.

Catalog snapshot 2026-06-27.

When should you pick Gemini 2.5 Pro?

Pick Gemini 2.5 Pro when Flash fails the quality floor and you still want Google Gemini rather than Claude or GPT. Gemini 2.5 Pro is the Pro line. Flash is the usual default for volume; Pro is the spend-up path.

How does Gemini 2.5 Pro differ from sibling models?

Gemini 2.5 Pro is the Pro line. Flash is the usual default for volume; Pro is the spend-up path.

How much does Gemini 2.5 Pro cost per million tokens?

Gemini 2.5 Pro costs $1.25/1M input tokens and $10.00/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.

Sourced from gateway catalog snapshot.

Where can you run Gemini 2.5 Pro?

Gemini 2.5 Pro is configured on OpenRouter. Known host IDs: openrouter: openrouter/google/gemini-2.5-pro. This model is routable through o10 eval-gated routing.

What is Gemini 2.5 Pro's context window?

Gemini 2.5 Pro supports a 1.0M tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.

What o10 routing band is Gemini 2.5 Pro?

Gemini 2.5 Pro is classified at o10 routing band C2. 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.

Who makes Gemini 2.5 Pro?

Gemini 2.5 Pro is attributed to source provider google in the o10 catalog. Fulfillment hosts (OpenRouter) supply API access; list pricing may differ by venue.

01Deep dive

Specifications

Gemini 2.5 Pro in the o10 unified catalog.

Gemini 2.5 Pro specifications
FieldValue
o10 slug`google-gemini-2-5-pro`
Typetext
BandC2
RoutableYes
Source providergoogle
Primary hostOpenRouter
Gateway ID`google/gemini-2.5-pro`
Context window1,048,576 tokens
Released2025-03-20
02Deep dive

Token pricing

Gateway snapshot pricing for Gemini 2.5 Pro.

Gemini 2.5 Pro token pricing
UnitPrice
Input$1.25/1M tokens
Output$10/1M tokens
03Deep dive

Fulfillment hosts

Upstream venues configured for Gemini 2.5 Pro.

Gemini 2.5 Pro fulfillment routes
HostUpstream model ID
openrouteropenrouter/google/gemini-2.5-pro
04Deep dive

Gateway provider endpoints

Endpoint-level pricing and latency from the gateway catalog.

Gemini 2.5 Pro gateway endpoints
ProviderInput ($/1M)Latency p50Uptime 1d
google$1.251992.5ms6928.3%
vertex$1.251658.5ms9963.0%
05Deep dive

Routing with o10

Eval-gated model selection for this slug.

o10 slug: google-gemini-2-5-pro. Band: C2. Routable: yes.

See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/frontier, o10/squad) and [/kyi](/kyi) for governance.

SourceMethodology

Fulfillment catalog 2026-06-27. Gateway pricing joined where slug match exists.

FAQFrequently asked questions

Common questions

How much does Gemini 2.5 Pro cost?

Gemini 2.5 Pro costs $1.25/1M input tokens and $10.00/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.

What is Gemini 2.5 Pro's context window?

Gemini 2.5 Pro supports 1.0M tokens in the gateway catalog snapshot. Host-specific endpoints may differ.

Which hosts serve Gemini 2.5 Pro?

Gemini 2.5 Pro (google-gemini-2-5-pro) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.

Is Gemini 2.5 Pro routable through o10?

Yes. Gemini 2.5 Pro is routable at band C2. Send model: "google-gemini-2-5-pro" or use an o10 smart routing alias.

How do I call Gemini 2.5 Pro via o10?

Use o10 slug "google-gemini-2-5-pro" or gateway ID "google/gemini-2.5-pro" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.

How does o10 route this model?

o10 routes Gemini 2.5 Pro only when per-use-case evals clear at your quality floor. Band C2 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.

What is the API model ID for Gemini 2.5 Pro?

The o10 slug is "google-gemini-2-5-pro"; the unified gateway ID is "google/gemini-2.5-pro". Host IDs: openrouter: openrouter/google/gemini-2.5-pro. Pricing snapshot date: 2026-06-27.

Who hosts Gemini 2.5 Pro?

Gemini 2.5 Pro is hosted as openrouter: openrouter/google/gemini-2.5-pro. o10 maps those upstream IDs to slug "google-gemini-2-5-pro".