# gemini-3.5-flash pricing

> gemini-3.5-flash costs $0.12 per 1M input tokens and $0.50 per 1M output tokens. Compare against cheaper alternatives and estimate your monthly bill — free, no login.

Source: https://tokenomy.ai/models/gemini-3-5-flash
Last updated: 2026-09-12
Publisher: Tokenomy — FinOps for AI
License: free to quote with attribution and a link to the source URL.

## Answer

gemini-3.5-flash costs $0.12 per 1M input tokens and $0.50 per 1M output tokens as of 2026-09-12. A workload of 10M input and 2M output tokens per month runs $2.20. The cheapest comparable alternative is qwen-3-plus at $0.30 per 1M output tokens.

gemini-3.5-flash is priced at $0.12 per 1M input tokens and $0.50 per 1M output tokens, with roughly 60 ms to first token and about 230 tokens/sec output throughput.

## Price per 1M tokens

Input $0.12 · Output $0.50 · Output/input ratio 4.2x.

- 1M input + 1M output tokens: $0.62
- 10M input + 2M output tokens/month: $2.20
- 100M input + 20M output tokens/month: $22.00

## Cheaper alternatives to gemini-3.5-flash

Same workload, lower output price. Validate quality before switching.

- gemini-3-flash — $0.40/1M output (20% cheaper)
- phi-4 — $0.40/1M output (20% cheaper)
- deepseek-v3 — $0.30/1M output (40% cheaper)
- qwen-3-plus — $0.30/1M output (40% cheaper)

## How much are you wasting on gemini-3.5-flash?

Price lists are the easy part. Run the free waste scanner on your usage export to see which calls should have run on a cheaper tier, which prompts are oversized, and which retries you paid for twice — with dollars recoverable per finding.

## Frequently asked questions

### How much does gemini-3.5-flash cost per million tokens?

$0.12 per 1M input tokens and $0.50 per 1M output tokens, as listed on 2026-09-12.

### What does gemini-3.5-flash cost per month at typical usage?

At 10M input and 2M output tokens per month, gemini-3.5-flash costs about $2.20. At 100M input and 20M output tokens it costs about $22.00.

### Is there a cheaper alternative to gemini-3.5-flash?

Yes. gemini-3-flash at $0.40/1M output, phi-4 at $0.40/1M output, deepseek-v3 at $0.30/1M output, qwen-3-plus at $0.30/1M output. Validate quality on your own evaluation set before switching.

### How fast is gemini-3.5-flash?

Roughly 60 ms to first token and about 230 output tokens per second.

## Related pages

- [Scan your AI spend free](https://tokenomy.ai/waste)
- [All model pricing](https://tokenomy.ai/models)
- [gemini-3-flash pricing](https://tokenomy.ai/models/gemini-3-flash)
- [phi-4 pricing](https://tokenomy.ai/models/phi-4)
- [deepseek-v3 pricing](https://tokenomy.ai/models/deepseek-v3)
- [Token cost calculator](https://tokenomy.ai/tools/token-calculator)