Gemini 3.5 Flash costs $1.50/1M input tokens and $9.00/1M output tokens as of 2026-06-27. Google publishes this model with a 1M tokens context window. o10 lists Gemini 3.5 Flash on Google Gemini at routing band C0. API slug gemini-3-5-flash. 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 3.5 Flash is a chat model from google (slug: gemini-3-5-flash). Pick Gemini 3.5 Flash when you want Google's fast Gemini workhorse: large context, lower list price than Gemini Pro. Published input pricing starts at $1.50/1M tokens. Context window: 1M tokens.
Catalog snapshot 2026-06-27.
Pick Gemini 3.5 Flash when you want Google's fast Gemini workhorse: large context, lower list price than Gemini Pro. Gemini 3.5 Flash is Flash, not Pro. Promote to Gemini Pro when the eval floor needs the heavier Gemini SKU.
Gemini 3.5 Flash is Flash, not Pro. Promote to Gemini Pro when the eval floor needs the heavier Gemini SKU.
Gemini 3.5 Flash costs $1.50/1M input tokens and $9.00/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.
Sourced from gateway catalog snapshot.
Gemini 3.5 Flash is configured on Google Gemini. Known host IDs: gemini: gemini/gemini-3.5-flash. This model is routable through o10 eval-gated routing.
Gemini 3.5 Flash supports a 1M tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.
Gemini 3.5 Flash is classified at o10 routing band C0. 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 3.5 Flash is attributed to source provider google in the o10 catalog. Fulfillment hosts (Google Gemini) supply API access; list pricing may differ by venue.
Gemini 3.5 Flash in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `gemini-3-5-flash` |
| Type | text |
| Band | C0 |
| Routable | Yes |
| Source provider | |
| Primary host | Google Gemini |
| Gateway ID | `google/gemini-3.5-flash` |
| Context window | 1,000,000 tokens |
| Released | 2026-05-19 |
Gateway snapshot pricing for Gemini 3.5 Flash.
| Unit | Price |
|---|---|
| Input | $1.5/1M tokens |
| Output | $9/1M tokens |
Upstream venues configured for Gemini 3.5 Flash.
| Host | Upstream model ID |
|---|---|
| gemini | gemini/gemini-3.5-flash |
Endpoint-level pricing and latency from the gateway catalog.
| Provider | Input ($/1M) | Latency p50 | Uptime 1d |
|---|---|---|---|
| $1.5 | 1852.5ms | 9999.0% | |
| vertex | $1.5 | 2943ms | 9997.6% |
Eval-gated model selection for this slug.
o10 slug: gemini-3-5-flash. Band: C0. 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 3.5 Flash costs $1.50/1M input tokens and $9.00/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.
Gemini 3.5 Flash supports 1M tokens in the gateway catalog snapshot. Host-specific endpoints may differ.
Gemini 3.5 Flash (gemini-3-5-flash) is configured on: Google Gemini. Upstream model IDs are listed in the fulfillment routes section.
Yes. Gemini 3.5 Flash is routable at band C0. Send model: "gemini-3-5-flash" or use an o10 smart routing alias.
Use o10 slug "gemini-3-5-flash" or gateway ID "google/gemini-3.5-flash" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.
o10 routes Gemini 3.5 Flash only when per-use-case evals clear at your quality floor. Band C0 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.