Gemini 3.5 Flash API pricing
Published on-demand rates for Google's gemini/gemini-3.5-flash, captured 2026-08-10 from public pricing data and committed to our archive. Context window 1.05M tokens; first observed in our archive 2026-05-25.
| Meter | USD per 1M tokens |
|---|---|
| Input | $1.50 |
| Output | $9.00 |
| Cached input | $0.150 |
Standard on-demand rates. Excludes batch endpoints and negotiated pricing; confirm on Google's pricing page before committing.
What it costs on a real workload
The four frozen profiles the LLMPrice indices price, per 1M tokens processed, at the rates above. Where no cache-read rate is published, the whole input bills at the standard rate.
| Profile | In / out mix | Cached share | Cost |
|---|---|---|---|
| Retrieval | 800k / 200k | 70% | $2.24 |
| Chat | 500k / 500k | 30% | $5.05 |
| Content | 200k / 800k | 20% | $7.45 |
| Agent | 900k / 100k | 85% | $1.22 |
Profile definitions are frozen and published on the methodology page. Compare every model on these profiles →
Observed rate history
No repricing observed since this model entered our archive on 2026-05-25. When a rate moves, the change appears here and on the sitewide ticker.
Priced near this one
The models closest to Gemini 3.5 Flash on a retrieval workload, cheaper and more expensive alike. We publish no quality score, so this is what they cost and nothing more.
| Model | Provider | Input | Output | vs Gemini 3.5 Flash |
|---|---|---|---|---|
| Gemini 2.5 Pro | $1.25 | $10.00 | 6% more | |
| GPT 5 Chat | OpenAI | $1.25 | $10.00 | 6% more |
| Grok 4.5 | xAI | $2.00 | $6.00 | 13% less |
| Gemini 3.6 Flash | $1.50 | $7.50 | 13% less |
Compared on the retrieval profile: 800k input, 200k output, 70% of input cached where the model offers a cache rate.
No affiliate or referral arrangements: the console link carries no parameters and nothing on this page is paid placement. Gemini 3.5 Flash is a trademark of its owner; LLMPrice.io is independent and unaffiliated.