| Input per 1M tokens | $0.3 |
| Output per 1M tokens | $2.5 |
| Cache read per 1M tokens | — |
| Status | active |
| Source | official pricing page · verified 2026-09-07 |
Audio input $1.00/MTok.
Example costs
- One request (2,000 in / 500 out): $0.0019
- 100K such requests/month: $185
- 1M input + 1M output tokens: $2.8
Compare against other models →
How Gemini 2.5 Flash compares on rate
Gemini 2.5 Flash runs $0.3 input / $2.5 output per MTok — a combined $2.8 for 1M tokens each way. The cheapest active model in our table, Gemini 2.5 Flash-Lite at $0.1/$0.4 (combined $0.5), is about 82% cheaper on combined rate (verified 2026-09-07).
Per-token rate is not per-task cost — tokenizers differ between model families, so benchmark with your own payloads before switching.
What real volumes cost at Gemini 2.5 Flash rates
Straight rate-card math at the verified $0.3/$2.5 per-MTok prices, assuming a 75% input / 25% output token split — no caching or batch discounts applied.
| Volume | Split | Cost at Gemini 2.5 Flash rates |
|---|---|---|
| 100K tokens in a day | 75,000 in + 25,000 out | $0.0850 |
| That pace over a 30-day month (3M tokens) | 2.25M in + 750K out | $2.55 |
| 1M tokens in a month | 750,000 in + 250,000 out | $0.8500 |
| Heavy month — 12M tokens | 9M in + 3M out | $10.20 |
Change the split or volume in the calculator — same verified rates, your numbers. Method + the corrections that make estimates real: how to estimate LLM API costs.
Frequently asked questions
What does Gemini 2.5 Flash cost per million tokens?
Gemini 2.5 Flash costs $0.3 per 1M input tokens and $2.5 per 1M output tokens on the Google API (verified 2026-09-07).
How much does 100K tokens a day cost on Gemini 2.5 Flash?
At a 75% input / 25% output split, 100K tokens costs about $0.0850 at Gemini 2.5 Flash rates — about $2.55 over a 30-day month. That is straight rate-card math, before any caching or batch discounts.
Is there a cheaper model than Gemini 2.5 Flash?
Yes — the cheapest active model we track is Gemini 2.5 Flash-Lite at $0.1/$0.4 per MTok, a combined $0.5 against Gemini 2.5 Flash's $2.8 — about 82% less on combined rate (verified 2026-09-07). Tokenizers differ between families, so benchmark per-task cost with your own payloads.
How much do 1M input + 1M output tokens cost on Gemini 2.5 Flash?
$2.8 — $0.3 for the input million plus $2.5 for the output million, at Google rates verified 2026-09-07.