Google · Model identity
Gemini 3.5 Flash
Google now routes this model ID to Gemini 3.6 Flash. Estimates use 3.6 Flash pricing; 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.
Route savings
Cheapest on bothCheapest standard route
Direct APILowest published standard input and output rates for this model.
Input$0.75 / 1MDirect API50.0% below the next-cheapest rate
Output$3.75 / 1MDirect API58.3% below the next-cheapest 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 3.5 Flash with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| Direct APIStandard | gemini-3.5-flash | $0.75 | $0.075 | $3.75 | 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 ↗ |
1 verified price change since Aug 26, 2026
0 route availability changes recorded. No earlier prices are inferred.
Input / 1M$0.75Aug 26, 2026 → Oct 11, 2026
Output / 1M$3.75Aug 26, 2026 → Oct 11, 2026
- Oct 11, 2026Direct API · Standard
Input $1.5 → $0.75 · Cached input $0.15 → $0.075 · Output $9 → $3.75