Gemini 3.1 Flash Lite API Pricing
Google · released 2026-05-07
Also searched as: 3.1 Flash Lite pricing
Gemini 3.1 Flash Lite price
0.025¢ / 1K
0.150¢ / 1K
0.056¢ / 1K
Official list price from Google, as recorded by models.dev
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.0575¢ |
| RAG query | 4,000 in / 500 out | 0.175¢ |
| Long document summary | 50,000 in / 1,000 out | $0.0140 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0105 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $17.25 |
Cost = (input tokens ÷ 1,000,000 × $0.25) + (output tokens ÷ 1,000,000 × $1.50).
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 144.9 | epoch | 2026-03-03 |
| Epoch Mock AIME accuracy | 80.0% | epoch | 2026-03-03 |
| Epoch FrontierMath (T1–3) accuracy | 27.7% | epoch | 2026-03-03 |
| Arena text rating | No public data yet | ||
| Arena coding rating (human preference votes, not task accuracy) | No public data yet | ||
| Arena math rating | No public data yet | ||
| Arena WebDev rating | No public data yet | ||
Similar ECI, lower price
| Model | ECI | Blended $/1M |
|---|---|---|
| GPT-5.4 nano | 146.4 | $0.4625 |
| DeepSeek V4 Flash | 146.9 | $0.525 |
| MiniMax-M3 | 147.6 | $0.525 |
More from Google
| Model | Released | Blended $/1M |
|---|---|---|
| Gemini 4 Argon | 2026-10-13 | $4.00 |
| Nano Banana 2.1 | 2026-10-06 | $8.625 |
| Gemini 3.8 Flash TTS | 2026-09-22 | $2.625 |
| Gemini 3.8 Flash Lite TTS | 2026-09-22 | $1.875 |
| Gemini 3.8 Live Extended Thinking | 2026-09-15 | $1.6875 |
| Gemini 3.8 Live | 2026-09-15 | $1.6875 |
| Lyria 3.5 | 2026-09-03 | — |
| Gemini 3.8 Flash | 2026-09-02 | $1.50 |
Count tokens & estimate cost for Gemini 3.1 Flash Lite See Gemini 3.1 Flash Lite on the leaderboard
Prices: Google's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite is developed by Google, released 2026-05-07.
How much does Gemini 3.1 Flash Lite cost per million tokens?
Gemini 3.1 Flash Lite costs $0.25 per 1M input tokens and $1.50 per 1M output tokens ($0.5625 blended), per Google's official list price as recorded by models.dev.
What is the Gemini 3.1 Flash Lite API price?
The Gemini 3.1 Flash Lite API price is $0.25 per 1M input tokens and $1.50 per 1M output tokens ($0.5625 per 1M blended).
How much does Gemini 3.1 Flash Lite cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.0575¢ on Gemini 3.1 Flash Lite, at $0.25/1M input and $1.50/1M output.
Is Gemini 3.1 Flash Lite free?
Gemini 3.1 Flash Lite's official API list price is $0.25 per 1M input tokens and $1.50 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Google's site for those.
How does Gemini 3.1 Flash Lite rank on benchmarks?
Gemini 3.1 Flash Lite scores 144.9 on the Epoch Capabilities Index (ECI), ranking #77 of 107 models we track with a published ECI score.
Is there a cheaper model with a similar ECI to Gemini 3.1 Flash Lite?
Yes — GPT-5.4 nano scores a similar ECI (146.4) at $0.4625/1M blended, versus $0.5625/1M for Gemini 3.1 Flash Lite.
Where does this data come from?
Pricing for Gemini 3.1 Flash Lite comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.