Google: Nano Banana 2 (Gemini 3.1 Flash Image)
Offerings
| Host | Variant | Region | Status | Input $/Mtok | Output $/Mtok | Cache read | Cache write | Confidence? | Source |
|---|---|---|---|---|---|---|---|---|---|
| – | – | active | $0.500000 | $3.000000 | – | – | official | openrouter, official-google | |
| google-vertex | – | – | active | $0.500000 | $60.000000 | $0.050000 | – | aggregator | modelsdev |
| google-vertex | – | global | active | $0.500000 | $3.000000 | – | – | api | openrouter |
| openrouter | – | – | active | $0.500000 | $3.000000 | – | – | api | openrouter |
Confidence: official = vendor pricing page · api = OpenRouter per-host · aggregator = community list, may lag · unreviewed = automatic extraction awaiting review. When sources disagree the most authoritative wins. Details: /methodology#confidence
Cite this page
Google: Nano Banana 2 (Gemini 3.1 Flash Image): $0.500000/$3.000000 per 1M tokens on openrouter as of 2026-10-04. Token Barometer by Dejan Strbad, https://tokenbarometer.com, data CC BY 4.0. https://tokenbarometer.com/model/google/gemini-3.1-flash-image
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Price history
Change log
| Date | Host | Kind | Change |
|---|---|---|---|
| 2026-10-04 | New offering | New offering | |
| 2026-10-04 | google-vertex | New offering | New offering |
| 2026-10-04 | openrouter | Metadata changed | Metadata changed |
| 2026-10-04 | Metadata changed | Metadata changed | |
| 2026-10-04 | google-vertex | Metadata changed | Metadata changed |
| 2026-10-04 | New offering | New offering | |
| 2026-10-04 | New offering | New offering | |
| 2026-10-04 | google-vertex | New offering | New offering |
| 2026-10-04 | openrouter | New offering | New offering |
| 2026-10-04 | New offering | New offering | |
| 2026-10-04 | google-vertex | New offering | New offering |
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