Google · Model identity
Gemini 3.1 Flash-Lite
Text, image, and video input rate; audio and cache storage have separate charges.
3pricing routes
What published route metadata supports
Audio inputCachingFile inputReasoningStructured outputTool useVideo inputVisionWeb search
Input modalities
AudioFilesImageTextVideo
Supported API parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_p
Only source-backed fields are filled
Release dateMay 7, 2026
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-05-07
First-party metadata verified Aug 26, 2026. Unfilled fields remain unknown. LLMPrice does not infer release dates, knowledge cutoffs, open-weight status, or licenses from a model name, repository link, or pricing route.
Route savings
Cheapest on bothCheapest standard route
Direct API + OpenRouterLowest published standard input and output rates for this model.
Input$0.25 / 1MDirect API + OpenRouterTied for the lowest published rate
Output$1.5 / 1MDirect API + OpenRouterTied for the lowest published rate
Based on current published standard rates. Batch, long-context, and other special billing variants are excluded from this summary.
Could this workload cost less?Compare Gemini 3.1 Flash-Lite with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| Direct APIStandard | gemini-3.1-flash-lite | $0.25 | $0.025 | $1.5 | 1.05M | Official provider ↗ |
| OpenRouterBatch | google/gemini-3.1-flash-lite:batch | $0.125 | $0.0125 | $0.75 | 1.05M | OpenRouter API ↗ |
| OpenRouterStandard | google/gemini-3.1-flash-lite | $0.25 | $0.025 | $1.5 | 1.05M | OpenRouter API ↗ |
Tracking since Aug 26, 2026
No verified price changes have been recorded since tracking began on Aug 26, 2026. The Aug 26, 2026 catalog is the baseline; LLMPrice does not invent or backfill older prices.
See all verified price changes →