Gemini 3.5 Flash
As of Oct 4, 2026, the cheapest Gemini 3.5 Flash API price is $0.1857 per 1M input tokens (UnoRouter) and $1.1142 per 1M output tokens (UnoRouter). Gemini 3.5 Flash is offered by 34 providers in the gemini-flash family, reasoning enabled. Google's own rate is $9 per 1M output tokens. One provider lists it as a free-tier offer. It is also included in 2 flat-rate subscription plans, GitHub Copilot Pro from $10/mo.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| UnoRouter | Cheapest$0.1857 | Cheapest$1.1142 | — | — | 1.0M |
| Kilo Gateway | $0.75 | $4.5 | $0.075 | $0.0417 | 1.0M |
 302.AI | $1.5 | $9 | — | — | 1.0M |
| Abacus | $1.5 | $9 | $0.15 | — | 1.0M |
| AIHubMix | $1.5 | $9 | $1.5 | — | 1.0M |
| CrossModel | $1.5 | $9 | $0.15 | $1.5 | 1.0M |
| Eden AI | $1.5 | $9 | $0.15 | $0.0833 | 1.0M |
| Eden AI | $1.5 | $9 | $0.15 | $0.0833 | 1.0M |
| FastRouter | $1.5 | $9 | — | — | 1.0M |
| $1.5 | $9 | $0.15 | — | 1.0M | |
| Vertex | $1.5 | $9 | $0.15 | — | 1.0M |
| Impossibl | $1.5 | $9 | $0.15 | — | 1.0M |
| DevPass (LLM Gateway) | $1.5 | $9 | $0.15 | $0.0833 | 1.0M |
| LLM Gateway | $1.5 | $9 | $0.15 | $0.0833 | 1.0M |
| LLM Gateway | $1.5 | $9 | $0.15 | $0.0833 | 1.0M |
| Merge Gateway | $1.5 | $9 | $0.15 | — | 1.0M |
| NanoGPT | $1.5 | $9 | $0.15 | $0.0833 | 1.0M |
| NEAR AI Cloud | $1.5 | $9 | $0.15 | — | 1.0M |
| Neon | $1.5 | $9 | $0.15 | — | 1.0M |
| Ofox | $1.5 | $9 | $0.15 | $0.083 | 1.0M |
| OpenCode Zen | $1.5 | $9 | $0.15 | — | 1.0M |
| OpenRouter | $1.5 | $9 | $0.15 | $0.0833 | 1.0M |
| Opper | $1.5 | $9 | $0.15 | — | 1.0M |
| OrcaRouter | $1.5 | $9 | $0.15 | $0.0833 | 1.0M |
| Pioneer | $1.5 | $9 | $0.15 | $0.0833 | 1.0M |
| Requesty | $1.5 | $9 | $0.15 | $1.583 | 1.0M |
| SAP AI Core | $1.5 | $9 | $0.15 | — | 1.0M |
| Tempr Gateway | $1.5 | $9 | $0.15 | — | 1.0M |
| Vercel AI Gateway | $1.5 | $9 | $0.15 | — | 1.0M |
| ZenMux | $1.5 | $9 | $0.15 | — | 1.0M |
| Poe | $1.5152 | $9.0909 | $0.1515 | — | 1.0M |
| Venice AI | $1.55 | $9.45 | $0.155 | $0.086 | 1.0M |
| Cortecs | $1.649 | $9.899 | $0.165 | $1 | 1.0M |
| Requestyeu | $1.65 | $9.9 | $0.165 | $1.7413 | 1.0M |
| Xpersona | $1.55 | $12.2 | $0.155 | — | 1.0M |
| Kenarifree | free | free | — | — | 1.0M |
Subscription plans (not per-token)
Billed per month, not per token — never counted as the cheapest offer.
| GitHub Copilotplan | $1.5 | $9 | 200k |
Gemini 3.5 Flash pricing FAQ
What is the cheapest Gemini 3.5 Flash API?
As of Oct 4, 2026, UnoRouter has the lowest Gemini 3.5 Flash output price at $1.1142 per 1M tokens, and UnoRouter has the lowest input price at $0.1857 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How much does Gemini 3.5 Flash cost on Google?
Google charges $1.5 per 1M input tokens and $9 per 1M output tokens for Gemini 3.5 Flash.
How many providers offer Gemini 3.5 Flash?
34 providers list Gemini 3.5 Flash on Sovyron; 35 of them sell it at a metered per-token price.
Is Gemini 3.5 Flash free?
1 provider(s) list a free-tier offer: Kenari. Free tiers usually have rate limits.
Is Gemini 3.5 Flash included in a subscription plan?
Yes. 2 flat-rate plan(s) include it; the cheapest is GitHub Copilot Pro at $10/month.
What is the context window of Gemini 3.5 Flash?
Gemini 3.5 Flash supports a 1.0M-token context window and up to 128k output tokens.
Token cost calculator
What a month costs at one provider's published rates. Enter the tokens you expect to send and receive; cached tokens use the cached-input price where the provider lists one, and count as ordinary input where it does not.
Estimated
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