Gemini 3.1 Flash Image (Nano Banana 2)
Googleai.google.dev/gemini-api/docs/models/gemini-3.1-
High-efficiency production-scale visual creation, combining the intelligence of the Gemini 3 series with lightning-fast generation speeds.
Updated 58 min ago · first seen 11 Sept 2026
model_01M293V7TTW1QKGN73X8MD8PXM
- Context
- 131.1K tokens
- T1 · 1 h ago
- Released
- 18 Jun 2026
- T2 · 58 min ago
Specification
- Family
- Gemini
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Release date
- 18 Jun 2026
Source:OpenRouter public model & pricing listingT2observed 58 min agomedium
- Status
- active
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Context window
- 131.1K tokens
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Max output
- 32.8K tokens
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Modalities
- image, pdf, text, video
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Input modalities
- text, image, video, pdf
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Output modalities
- image, text
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Tokenizer
- Gemini
Source:OpenRouter public model & pricing listingT2observed 58 min agomedium
- API model id
- gemini-3.1-flash-image
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Official page
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Capabilities
- Image generation, Search grounding, Thinking
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Latest update
- 2026-02
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Openrouter id
- google/gemini-3.1-flash-image
Source:OpenRouter public model & pricing listingT2observed 58 min agomedium
- Supported parameters
- include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, temperature, top_p
Source:OpenRouter public model & pricing listingT2observed 58 min agomedium
- Versions
- {"stable":["gemini-3.1-flash-image"]}
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
21
Source tiers
T1T217 / 4
Freshest observation
58 min ago
Conflicts
3 flagged
Modalities
- Modalities
- imagepdftextvideo
- Input
- textimagevideopdf
- Output
- imagetext
Capabilities
Tool calling
No
Google AI for Developers (Gemini API docs) · T1
Structured output
No
Google AI for Developers (Gemini API docs) · T1
Reasoning
Yes
Google AI for Developers (Gemini API docs) · T1
Vision
Yes
Google AI for Developers (Gemini API docs) · T1
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 131.1K tokens
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Max output
- 32.8K tokens
Source:Google AI for Developers (Gemini API docs)T1observed 1 h agohigh
- Tokenizer
- Gemini
Source:OpenRouter public model & pricing listingT2observed 58 min agomedium
No benchmark results recorded
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| Google Gemini APIgemini-3.1-flash-image | $0.50 | $3 | — | $0.25 / $1.5 | — | 1 h ago | ai.google.devT1 |
| Google Gemini APIgoogle/gemini-3.1-flash-image | $0.50 | $3 | — | — | 131.1K | 58 min ago | openrouter.aiT2 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 1
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- Google Gemini API
No hardware estimate available
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history · Modalities
Modalitiesmodalities2conflicting claims
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| image, text | → current | conflicting | OpenRouter public model & pricing listingT2 | medium | deterministic |
| image, pdf, text, video | → current | current | Google AI for Developers (Gemini API docs)T1 | conflicted | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
Google Gemini API lists Gemini 3.1 Flash Image (Nano Banana 2) at $0.5 in / $3 out per 1M tokens
openrouterNew model: Gemini 3.1 Flash Image (Nano Banana 2) (Google)
googleGoogle Gemini API lists Gemini 3.1 Flash Image (Nano Banana 2) at $0.5 in / $3 out per 1M tokens
google
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Google AI for Developers (Gemini API docs) | ai.google.dev/gemini-api/docs/models/gemini-3.1-flash-image | model_page | T1· Official | 1 h ago | 3 |
| Google AI for Developers (Gemini API docs) | ai.google.dev/gemini-api/docs/models | model_docs | T1· Official | 1 h ago | 3 |
| Google AI for Developers (Gemini API docs) | ai.google.dev/gemini-api/docs/pricing | pricing | T1· Official | 1 h ago | 3 |
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 58 min ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.