AI Cost Calculator / Model pricing
Gemini 3.1 Flash Lite costs $0.250 per 1M input tokens and $1.50 per 1M output tokens (list pricing as of 2026-08-15, sourced from Vertex Ai-language-models). See the full rate card below and project your monthly spend in the calculator.
| Input | $0.250 / 1M tokens |
| Output | $1.50 / 1M tokens |
| Cache read | $0.025 / 1M tokens |
| Cache write | Not published |
| Context window | 1,048,576 tokens |
| Max output | 65,536 tokens |
Official source: Google pricing page . Batch API discounts (typically 50%) are available via the calculator's Batch mode.
A chat app making 500 calls/day at 1.2K input + 400 output tokens spends roughly $13.50/mo on Gemini 3.1 Flash Lite. Enter your real workload for an exact projection and to compare against other models.
Calculate Gemini 3.1 Flash Lite monthly cost →| Model | Provider | Input /1M | Output /1M |
|---|---|---|---|
| Mistral Small 24b | Mistral | $0.050 | $0.080 |
| Gpt 5 Nano | OpenAI | $0.050 | $0.400 |
| Glm 4.7 Flash | Zhipu AI | $0.060 | $0.400 |
| Deepseek V4 Flash | DeepSeek | $0.100 | $0.200 |
| Gemini 2.5 Flash Lite | $0.100 | $0.400 |