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Gemini 3.1 Flash Lite Preview outperforms 2.5 Flash Lite on overall quality and lands close to 2.5 Flash performance across key capability areas. It is a workhorse model for high-volume use cases, with improvements across audio input/ASR, RAG snippet ranking, translation, data extraction, and code completion.
import { streamText } from 'ai'
const result = streamText({ model: 'google/gemini-3.1-flash-lite-preview', prompt: 'Why is the sky blue?'})Try out Gemini 3.1 Flash Lite Preview by Google. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.
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| Model |
|---|
| 262K | 0.5s | 50tps | $0.13/M | $0.40/M | — | — |   | 04/02/2026 | |||||
| 262K | 4.6s | 19tps | $0.14/M | $0.40/M | — | — | | 04/02/2026 | |||||
$0.20/M+3 more | — | — |  | 03/10/2026 | |||||||||
| 131K | 0.9s | 204tps | $0.50/M | $3.00/M | Read:$0.05/M Write:— | $14/K + input costs | — |  | 02/26/2026 | ||||
| 1M | 4.1s | 299tps | $2.00/M | $12.00/M | Read: $0.2/M Write: — | $14.00/K + input costs | — | | 02/19/2026 | ||||
| 1M | 0.5s | 189tps | $0.50/M | $3.00/M | Read: $0.05/M Write: — | $14.00/K + input costs | — | | 12/17/2025 | ||||
| 1M | 2.8s | 278tps | $2.00/M | $12.00/M | Read: $0.2/M Write: — | $14.00/K + input costs | — | | 11/18/2025 | ||||
| 1M | $0.10/M | $0.40/M | Read:$0.01/M Write:— | $35.00/K + input costs | — | | 09/25/2025 | ||||||
| 1M | $0.30/M | $2.50/M | Read:$0.03/M Write:— | $35.00/K + input costs | — | | 09/25/2025 | ||||||
| 66K | 11.3s | 237tps | $2.00/M | $12.00/M | Read:$0.2/M Write:— | $14.00/K + input costs | — | | 09/01/2025 | ||||
| 1M | 0.4s | 281tps | $0.10/M | $0.40/M | Read:$0.01/M Write:— | $35.00/K + input costs | — | | 06/17/2025 | ||||
| 480 | — | — | | 06/01/2025 | |||||||||
| 480 | — | — | | 05/24/2025 | |||||||||
| 480 | — | — | | 05/22/2025 | |||||||||
| $0.15/M | — | — | | 05/20/2025 | |||||||||
| 1M | 0.4s | 206tps | $0.30/M | $2.50/M | Read:$0.03/M Write:— | $35.00/K + input costs | — | | 03/20/2025 | ||||
| 33K | 0.4s | 219tps | $0.30/M | $2.50/M | Read:$0.03/M Write:— | — | — | | 03/20/2025 | ||||
| 1M | 1.9s | 111tps | $1.25/M | $10.00/M | Read: $0.13/M Write: — | $35.00/K + input costs | — | | 03/20/2025 | ||||
| 1M | 0.4s | 146tps | $0.15/M | $0.60/M | Read:$0.03/M Write:— | $35.00/K + input costs | — | | 12/11/2024 | ||||
| 1M | 0.3s | 166tps | $0.07/M | $0.30/M | Read:$0.02/M Write:— | $35.00/K + input costs | — | | 12/11/2024 | ||||
| $0.03/M | — | — | | 08/01/2024 | |||||||||
| $0.03/M | — | — | | 03/01/2024 | |||||||||
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