Google model
Gemini 3.1 Flash Lite API
Send google/gemini-3.1-flash-lite when you want the lowest Gemini Lite list price here: 0.25 / 1.50 and a 1,048,576 token window. 3.5 Flash Lite is 0.30 / 2.50 with the same window. Pin 3.1 only if that id is required. CacheSafety is unpublished.
VisionFunction Calling
What is Gemini 3.1 Flash Lite API in NextModel?
Send google/gemini-3.1-flash-lite when you want the lowest Gemini Lite list price here: 0.25 / 1.50 and a 1,048,576 token window. 3.5 Flash Lite is 0.30 / 2.50 with the same window. Pin 3.1 only if that id is required. CacheSafety is unpublished.
Gemini 3.1 Flash-Lite via NextModel: 1M-token context; $0.25 / 1M tokens in / $1.50 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.
Best use cases
- Cost-first Gemini long-context or vision jobs.
- A cheaper Lite than 3.5 Flash Lite on published price.
- Existing 3.1 Flash Lite callers.
When not to use
- You standardized on the 3.5 Lite id. Do not silently swap.
- You need cache scores. None are published.
- You wanted non-Lite 3.5 Flash at 1.50 / 9.
OpenAI-compatible code example
request.sh
curl https://api.nextmodel.app/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $NEXTMODEL_API_KEY" \
-d '{"model":"google/gemini-3.1-flash-lite","messages":[{"role":"user","content":"Reply with OK."}]}'Switching models only changes the model field.
Similar alternatives
GoogleCatalog
Gemini 3.5 Flash via NextModel: 1M-token context; $1.50 / 1M tokens in / $9 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.
Best forimage understanding, multimodal chat
StreamingTool callingJSON modeVision
Platform curatedCurated and maintained in the NextModel catalog
OpenAICatalog
GPT-Chat Latest via NextModel: 400k-token context; $5 / 1M tokens in / $30 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.
Best forimage understanding, multimodal chat
StreamingTool callingJSON modeVision
Platform curatedCurated and maintained in the NextModel catalog
X AiCatalog
Grok 4.3 via NextModel: 1M-token context; Starting at $1.25 / 1M tokens in / $2.50 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.
Best forimage understanding, multimodal chat
StreamingTool callingJSON modeVision
Platform curatedCurated and maintained in the NextModel catalog
Reading
Articles that explain Gemini 3.1 Flash-Lite
Gemini 3.1 Flash Lite is listed on NextModel: 0.25 input, 1,048,576 context
Listed price, 1,048,576 context, and the unpublished cache scores.
Zhao Yu'an
How to estimate AI API cost before you ship
Flash Lite is cheap per token. Size the traffic before you assume the bill stays small.
Lin Qiming
LLM Gateway: Compare Options and Alternatives
Same OpenAI-compatible base URL as the rest of the catalog.
Zhao Yu'an
FAQ
Gemini 3.1 Flash-Lite API questions
What model id do I send for Gemini 3.1 Flash Lite?
Send google/gemini-3.1-flash-lite to https://api.nextmodel.app/v1.
Cheaper than 3.5 Flash Lite?
On the list: 0.25 / 1.50 versus 0.30 / 2.50. Same 1,048,576 window. Quality unpublished.
CacheSafety?
Unpublished for this exact id.
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