Google · Model identity
Gemini 3.5 Flash
Output prices include thinking tokens. Cache storage and grounding are billed separately.
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 19, 2026
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-05-19
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.
| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| Direct APIStandard | gemini-3.5-flash | $1.5 | $0.15 | $9 | 1.05M | Official provider ↗ |
| OpenRouterBatch | google/gemini-3.5-flash:batch | $0.75 | $0.075 | $4.5 | 1.05M | OpenRouter API ↗ |
| OpenRouterStandard | google/gemini-3.5-flash | $1.5 | $0.15 | $9 | 1.05M | OpenRouter API ↗ |
Tracking from today forward
No verified price changes have been recorded since tracking began on Aug 26, 2026. Today’s catalog is the baseline; LLMPrice does not invent or backfill older prices.
See all verified price changes →