Gemini 2.5 Flash API price, and what each result really costs
Google, listed 17 Jun 2025. Price checked 12 Nov 2026; unchanged since we started tracking it. Source: Google's pricing page. google/gemini-2.5-flash
Requests are rerouted from 2026-12-01. Suggested replacement: gemini-3.5-flash-lite (requests auto-route, billed at 3.5 Flash-Lite rates). What the switch to Gemini 3.5 Flash-Lite costs
List price per million tokens
- Input
- $0.30
- Cached input
- $0.03
- Output
- $2.50
- Context window
- 1.05M tokens
Note: Deprecated: from 2026-12-01, requests to gemini-2.5-flash route automatically to Gemini 3.5 Flash-Lite and are billed at its rates. Output price includes thinking tokens. Cache storage billed extra.
What it costs per task, and per task that works
Six common task shapes with typical token counts. The real cost counts the tries that get redone; the rates are examples, not measurements.
| Task | Per 1,000 tries | Per 1,000 that work, 8 in 10 | Per 1,000 that work, 6 in 10 | Per 1,000 that work, 4 in 10 |
|---|---|---|---|---|
| Support bot answer3,000 in / 300 out | $1.65 | $2.06 | $2.75 | $4.12 |
| Invoice field extraction2,500 in / 250 out | $1.38 | $1.72 | $2.29 | $3.44 |
| Lead scoring1,200 in / 100 out | $0.61 | $0.76 | $1.02 | $1.53 |
| Email reply draft1,500 in / 400 out | $1.45 | $1.81 | $2.42 | $3.62 |
| Translation900 in / 800 out | $2.27 | $2.84 | $3.78 | $5.68 |
| Search re-ranking4,000 in / 50 out | $1.33 | $1.66 | $2.21 | $3.31 |
Work out your own real cost per resultTest Gemini 2.5 Flash on your own prompt
Compare Gemini 2.5 Flash with
- Gemini 3.5 Flash-Lite$0.30 in / $2.50 outSwitch cost
- Gemini 3.1 Flash-Lite$0.25 in / $1.50 outSwitch cost
- Llama 3.3 70B Instruct$0.71 in / $0.71 outSwitch cost
- GPT-4.1 mini$0.40 in / $1.60 outSwitch cost
- GPT-5 mini$0.25 in / $2.00 outSwitch cost
Worked-through switches: Gemini 2.5 Flash → Gemini 3.5 Flash-Lite: cost and quality on real tasks
Questions
How much does the Gemini 2.5 Flash API cost?
$0.30 per million input tokens and $2.50 per million output tokens, or $0.03 per million for cached input. Price checked 12 Nov 2026; unchanged since we started tracking it.
What does a result that works really cost with Gemini 2.5 Flash?
A support bot answer (about 3,000 tokens in, 300 out) costs $0.0016 per try. If 6 in 10 work first time, each answer that works really costs $0.0028, because the redone ones were paid for too.
Is Gemini 2.5 Flash being shut down?
Google has announced the API shutdown of gemini-2.5-flash on 2026-12-01; the suggested replacement is gemini-3.5-flash-lite (requests auto-route, billed at 3.5 Flash-Lite rates). Source: https://aistudio.google.com/docs/deprecations