Google: Nano Banana (Gemini 2.5 Flash Image)

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Match confidence: UnmatchedSource type: openrouter_only

Context window

32.8K

Arena overall rank

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Input price

$0.000 / 1M

Output price

$0.000 / 1M

Identifiers & provenance

Primary ID: google/gemini-2.5-flash-image
OpenRouter ID: google/gemini-2.5-flash-image
Canonical slug: google/gemini-2.5-flash-image

Source semantics

Arena rank is a human-preference leaderboard signal, not a universal truth metric.
OpenRouter usage/popularity reflects adoption/traffic, not benchmark quality.
Pricing fields may differ by provider and can include extra modes beyond prompt/completion.

Read more on Methodology & data sources.

Description

Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation, edits, and multi-turn conversations. Aspect ratios can be controlled with the [image_config API Parameter](https://openrouter.ai/docs/features/multimodal/image-generation#image-aspect-ratio-configuration)

Raw fields snapshot

{
  "id": "google/gemini-2.5-flash-image",
  "name": "Google: Nano Banana (Gemini 2.5 Flash Image)",
  "description": "Gemini 2.5 Flash Image, a.k.a. \"Nano Banana,\" is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation, edits, and multi-turn conversations. Aspect ratios can be controlled with the [image_config API Parameter](https://openrouter.ai/docs/features/multimodal/image-generation#image-aspect-ratio-configuration)",
  "created": 1759870431,
  "canonical_slug": "google/gemini-2.5-flash-image",
  "hugging_face_id": "",
  "source_type": "openrouter_only",
  "context_length": 32768,
  "max_completion_tokens": 32768,
  "is_moderated": false,
  "architecture": {
    "modality": "text+image->text+image",
    "input_modalities": [
      "image",
      "text"
    ],
    "output_modalities": [
      "image",
      "text"
    ],
    "tokenizer": "Gemini",
    "instruct_type": null
  },
  "input_modalities": [
    "image",
    "text"
  ],
  "output_modalities": [
    "image",
    "text"
  ],
  "modality": "text+image->text+image",
  "tokenizer": "Gemini",
  "instruct_type": null,
  "supported_parameters": [
    "max_tokens",
    "response_format",
    "seed",
    "stop",
    "structured_outputs",
    "temperature",
    "top_p"
  ],
  "default_parameters": {
    "temperature": null,
    "top_p": null,
    "frequency_penalty": null
  },
  "per_request_limits": null,
  "top_provider": {
    "context_length": 32768,
    "max_completion_tokens": 32768,
    "is_moderated": false
  },
  "pricing": {
    "prompt": "0.0000003",
    "completion": "0.0000025",
    "image": "0.0000003",
    "audio": "0.000001",
    "internal_reasoning": "0.0000025",
    "input_cache_read": "0.00000003",
    "input_cache_write": "0.00000008333333333333334"
  },
  "PPM": {
    "prompt": 0.3,
    "completion": 2.5,
    "image": 0.3,
    "audio": 1,
    "internal_reasoning": 2.5,
    "input_cache_read": 0.03,
    "input_cache_write": 0.0833
  },
  "openrouter_raw": {
    "id": "google/gemini-2.5-flash-image",
    "canonical_slug": "google/gemini-2.5-flash-image",
    "hugging_face_id": "",
    "name": "Google: Nano Banana (Gemini 2.5 Flash Image)",
    "created": 1759870431,
    "description": "Gemini 2.5 Flash Image, a.k.a. \"Nano Banana,\" is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation, edits, and multi-turn conversations. Aspect ratios can be controlled with the [image_config API Parameter](https://openrouter.ai/docs/features/multimodal/image-generation#image-aspect-ratio-configuration)",
    "context_length": 32768,
    "architecture": {
      "modality": "text+image->text+image",
      "input_modalities": [
        "image",
        "text"
      ],
      "output_modalities": [
        "image",
        "text"
      ],
      "tokenizer": "Gemini",
      "instruct_type": null
    },
    "pricing": {
      "prompt": "0.0000003",
      "completion": "0.0000025",
      "image": "0.0000003",
      "audio": "0.000001",
      "internal_reasoning": "0.0000025",
      "input_cache_read": "0.00000003",
      "input_cache_write": "0.00000008333333333333334"
    },
    "top_provider": {
      "context_length": 32768,
      "max_completion_tokens": 32768,
      "is_moderated": false
    },
    "per_request_limits": null,
    "supported_parameters": [
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    "default_parameters": {
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      "frequency_penalty": null
    },
    "expiration_date": null
  }
}