Gemini 3.1 Flash-Lite API pricing — what it really costs
Gemini 3.1 Flash-Lite (Google) costs $0.250 per 1M input tokens and $1.50 per 1M output tokens. Prices verified 2026-07-05; we track the price you are actually billed today, including promotional rates.
Price per 1M tokens
| Input | Output | Cached input |
|---|---|---|
| $0.250 | $1.50 | — |
Real monthly costs on Gemini 3.1 Flash-Lite
Three realistic workloads, computed from the prices above (cached share billed at the cache-read rate where the provider offers one):
Customer-support chatbot
$1.25/mo
2M input + 0.5M output tokens/month, 60% of input served from prompt cache
RAG / document Q&A
$6.50/mo
20M input + 1M output tokens/month, 70% cached (shared context)
Agentic coding assistant
$20.00/mo
50M input + 5M output tokens/month, 80% cached (long sessions)
Want exact numbers for your usage? Open the calculator — same verified prices, your token volumes.
Compare Gemini 3.1 Flash-Lite
- Gemini 3.1 Flash-Lite vs Claude Haiku 4.5 — which is cheaper?
- Gemini 3.1 Flash-Lite vs DeepSeek V4 Flash — which is cheaper?
- Gemini 3.1 Flash-Lite vs Gemini 3.5 Flash — which is cheaper?
FAQ
How much does the Gemini 3.1 Flash-Lite API cost?
Gemini 3.1 Flash-Lite costs $0.250 per 1M input tokens and $1.50 per 1M output tokens. Pricing verified 2026-07-05.
What does a typical workload cost on Gemini 3.1 Flash-Lite?
Customer-support chatbot: about $1.25/month (2M input + 0.5M output tokens/month, 60% of input served from prompt cache). RAG / document Q&A: about $6.50/month (20M input + 1M output tokens/month, 70% cached (shared context)). Agentic coding assistant: about $20.00/month (50M input + 5M output tokens/month, 80% cached (long sessions))
Is Gemini 3.1 Flash-Lite expensive compared to other models?
Gemini 3.1 Flash-Lite ranks #4 of 15 models by blended price in our comparison. The cheapest tracked model is DeepSeek V4 Flash at $0.140/$0.280 per 1M tokens.