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gemini-3.1-flash-lite pricing and usage · CheaperInference

Model record / Google

gemini-3.1-flash-lite

Access gemini-3.1-flash-lite from Google through one OpenAI-compatible API with live market-linked pricing and usage-based billing.

Text generationVision inputStandard generationStreaming15% below list

Input / 1M tokens~~$0.25 list~~$0.2125

Output / 1M tokens~~$1.50 list~~$1.275

Cached input / 1M tokens~~$0.03 list~~$0.02125

Current discount15%

Observed reliability

99.3

Successful provider-reaching requests

Output speed

241.1

Median tokens per second over sustained generations

TTFT

3.2 s

p50 · p90 15.4 s · n 24,857

Latency

6.1 s

p50 · p90 33.4 s · n 119,867

Evidence strength

—

Provider: Google
Model ID: gemini-3.1-flash-lite
Type: Text generation
Endpoints: /v1/chat/completions, /v1/responses, /v1/messages
Input: image, pdf, text
Output: text
Vision input: Supported
Image editing: Not supported
Video input: Not supported
Reasoning: Not supported
Streaming: Supported
Context window: 1,048,576 tokens

POST /v1/chat/completions

Field	Values
reasoning.exclude
max_tokens
reasoning	effort: low, high
response_format
stop
temperature
tool_choice
tools

POST /v1/messages

Field	Values
max_tokens
thinking	type: enabled with budget_tokens; output_config.effort: low, high

Pricing history

See how much this model saves and when its recorded price has been lowest.

Time zone

gemini-3.1-flash-lite

Growing confidence

This model averaged 33.9% below comparable direct provider prices across the selected range. Its strongest observed window was 6:00 PM–3:00 PM in UTC.

Last 24 hours

Average saved

33.9%

Last 24 hours

Cheapest time

6:00 PM–3:00 PM

34.7% average savings

Hourly coverage

23/24

23 total observations

Signal quality

Growing

Ready for planning

Typical unit savings$0.08 / 1M input tokens$0.51 / 1M output tokens

Hover a bar for savings per token and observation counts.

Source buckets are UTC; labels are converted to UTC.

Last 24 hours

#27

of 408 ranked models

Last 7 days

#24

of 418 ranked models

Last 30 days

#26

of 418 ranked models

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POST /v1/chat/completions

curl https://api.cheaperinference.com/v1/chat/completions \  -H "Authorization: Bearer ci_live_YOUR_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "gemini-3.1-flash-lite",    "messages": [      {        "role": "user",        "content": "Reply with the single word OK."      }    ],    "max_tokens": 64  }'

POST /v1/responses

curl https://api.cheaperinference.com/v1/responses \  -H "Authorization: Bearer ci_live_YOUR_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "input": [      {        "role": "user",        "content": "Reply with the single word OK."      }    ],    "model": "gemini-3.1-flash-lite",    "store": false,    "max_output_tokens": 256  }'

POST /v1/messages

curl https://api.cheaperinference.com/v1/messages \  -H "Authorization: Bearer ci_live_YOUR_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "gemini-3.1-flash-lite",    "messages": [      {        "role": "user",        "content": "Reply with the single word OK."      }    ],    "max_tokens": 64  }'