Googleモデルについて
Google is a leading provider of advanced AI media models, featuring Nano Banana and Imagen for high-fidelity image generation and editing, and Veo for scalable video synthesis.
すべてのGoogleモデル
テキスト読み上げ
google/gemini-3.8-flash-lite-tts
[Core Function] Gemini 3.8 Flash Lite TTS is Google's text-to-speech model for low-latency speech generation. [Strengths] Single-speaker synthesis, two-speaker dialogue, 101 languages, per-turn style control, and WAV output (24 kHz mono PCM). [Best For] Bulk narration, voice-agent responses, read-aloud features, and multilingual dialogue. [Limitations] Do NOT use this for streaming, voice creation, music generation, or audio, image, or video input. Dialogue requires exactly two speakers with prebuilt or extended-library voices; designed or replicated voices are limited to single-speaker synthesis. Combined text and style must stay within 8,192 Unicode characters. [Routing] Choose Flash Lite for latency and cost efficiency; choose Gemini 3.8 Flash TTS for expressive delivery and broader language coverage.
google/gemini-3.8-flash-tts
[Core Function] Gemini 3.8 Flash TTS is Google's controllable text-to-speech model, currently in Preview. [Strengths] Single-speaker and two-speaker dialogue, preset voices, 130 languages via language_code, and expressive delivery through turn-level style and inline vocal tags. Output is WAV (24 kHz mono PCM). [Best For] Voiceovers, audiobook narration, multilingual speech, podcast-style scripts, and two-person dialogue. [Limitations] Do NOT use this for streaming, voice creation, lip-syncing existing video, music or sound-effect generation, image or audio inputs, MP3/OGG export, or API-level speed, volume, encoding, or sample-rate controls. Dialogue requires exactly two speakers with preset voices. Combined text and style must stay within 8,192 Unicode characters. [Routing] Route here for expressive Gemini TTS with per-turn style control; for the prompt-based request format use Gemini 3.1 Flash TTS; for video with native audio use Veo.
google/gemini-3.1-flash-tts
[Core Function] Gemini 3.1 Flash TTS is Google's low-latency, controllable text-to-speech model. [Strengths] Single-speaker and two-speaker dialogue, 30 prebuilt voices, 70+ languages via language_code, and expressive delivery through style prompts plus inline audio tags such as [whispers], [slow], [fast], and [laughs]. Output is WAV (24 kHz mono PCM). [Best For] Voiceovers, virtual presenters, audiobook narration, multilingual speech, podcast-style scripts, and two-person dialogue. [Limitations] Do NOT use for lip-syncing existing video, music or sound-effect generation, image or audio inputs, MP3/OGG export, or API-level speed, volume, encoding, or sample-rate controls. Combined prompt and text must stay within 8,000 bytes. [Routing] Route here for controllable Gemini TTS from text only; for video with native audio use Veo; for talking-head lip sync from a portrait plus audio use Kling Avatar.
画像編集
google/nano-banana-2.1-edit
[Core Function] Nano Banana 2.1 Edit is Google's fast image-editing and video-to-image model, exposed as google/nano-banana-2.1-edit. [Strengths] It edits up to 14 reference images, or one HTTPS video plus up to 10 images, at 1K, 2K, or 4K, with improved character and multi-reference consistency. thinkingLevel defaults to medium. Optional systemInstruction is omitted when blank. enableWebSearch turns on Google Search grounding (web and image search) only when true. [Best For] Prompted restyling, multi-image product and character edits, and turning a video into a still. [Limitations] Do NOT use this model for text-only generation, 512-pixel output, or audio generation. At least one of image or video is required. seed, temperature, topP, topK, and logprobs are rejected. [Routing] Use this endpoint when the user provides images or a video and wants Nano Banana 2.1. Use google/nano-banana-2-edit for the previous Gemini 3.1 Flash Image editor, including 512 output. Use google/nano-banana-2.1 when there is no visual input. Use google/nano-banana-pro-edit for the highest-fidelity still edits that do not need video input.
google/nano-banana-2-lite-edit
[Core Function] Nano Banana 2 Lite Edit (Gemini 3.1 Flash Lite Image) is the lightweight, cost-efficient image editing model of the Nano Banana 2 family; it transforms one or more input images per a text instruction. [Strengths] It performs fast, low-cost instruction-based editing across up to 14 input images. [Best For] Highly recommended for: high-volume edits, quick style transforms, and batch background or attribute changes where cost and throughput matter. [Limitations] Do NOT use this model when you need the highest edit fidelity or richest detail; use Nano Banana 2 Edit or Nano Banana Pro Edit instead. [Routing] Choose the Lite variant for cost- and throughput-sensitive edits; step up to Nano Banana 2 Edit for higher quality.
google/nano-banana-2-edit
[Core Function] Nano Banana 2 Edit is a high-speed image editing model. [Strengths] It rapidly modifies existing images or extracts image frames from videos based on text prompts. [Best For] Highly recommended for: rapid style transfer, quick image modifications, and fast creative edits. [Limitations] Do NOT use this model for meticulous photorealistic retouching. [Routing] Use this model by default for fast, creative image editing tasks. For Nano Banana 2.1 editing, use google/nano-banana-2.1-edit.
google/nano-banana-pro-edit
[Core Function] Nano Banana Pro Edit is a high-capability creative image editing model. [Strengths] It provides high-quality creative edits, background replacements, and style transformations. [Best For] Highly recommended for: detailed creative modifications and complex style transfers. [Limitations] Do NOT use for strict photorealistic restoration. [Routing] Use this model for detailed, high-quality creative edits.
google/nano-banana-edit
[Core Function] Nano Banana Edit is the original fast image editing model. [Strengths] Fast basic edits. [Limitations] Superseded by Nano Banana 2 Edit. [Routing] Default to Nano Banana 2 Edit unless specifically requested.
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google/nano-banana-2.1
[Core Function] Nano Banana 2.1 is Google's fast text-to-image model on Gemini 3.6 Flash, exposed as google/nano-banana-2.1. [Strengths] It keeps Flash-level speed at 1K, 2K, and 4K, with stronger visual quality, text rendering, and real-world knowledge than Nano Banana 2. thinkingLevel trades latency for quality and defaults to medium. Optional systemInstruction is omitted when blank. enableWebSearch turns on Google Search grounding (web and image search) only when true. [Best For] High-volume image production, posters and diagrams with readable text, localized text, and rapid iteration on new text-to-image work. [Limitations] Do NOT use this model for image or video editing, 512-pixel output, audio input, or reference images. This endpoint accepts a prompt only. seed, temperature, topP, topK, and logprobs are rejected. [Routing] Use google/nano-banana-2.1 for new text-to-image work. Use google/nano-banana-2 when the caller needs the 512 resolution of Gemini 3.1 Flash Image. Use google/nano-banana-2.1-edit when the user supplies images or a video. Use google/nano-banana-pro when the user wants the highest-end professional stills.
google/nano-banana-2-lite
[Core Function] Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is the lightweight, cost-efficient text-to-image model of the Nano Banana 2 family. [Strengths] It generates images even faster and more cheaply than Nano Banana 2, well suited to high-volume creative and stylized output at lower cost. [Best For] Highly recommended for: high-volume batch generation, quick drafts and thumbnails, and cost-sensitive creative iteration. [Limitations] Do NOT use this model when you need maximum detail, high-end photorealism, or the richest quality; use Nano Banana 2 or Nano Banana Pro instead. [Routing] Choose the Lite variant when cost and throughput matter more than peak quality; step up to Nano Banana 2 for richer results.
google/nano-banana-2
[Core Function] Nano Banana 2 (Gemini 3.1 Flash Image) is an extremely fast text-to-image model. [Strengths] It is optimized for high-speed, high-volume visual generation, creative prompting, and rapid stylistic experimentation. [Best For] Highly recommended for: rapid creative iteration, generating large batches of images quickly, and artistic/stylized graphics. [Limitations] Do NOT use this model if you require strict, high-end photorealism; prefer Nano Banana Pro for higher-fidelity creative output. [Routing] Route to this model for 'fast', 'creative', or 'stylized' high-volume requests. For Nano Banana 2.1, use google/nano-banana-2.1.
google/nano-banana-pro
[Core Function] Nano Banana Pro (Gemini 3 Pro Image) is a high-capability creative image model. [Strengths] It balances the creative flexibility and speed of the Nano series with higher fidelity output. [Best For] Highly recommended for: high-quality stylized art and complex creative compositions. [Limitations] Do NOT use this model when you need the absolute highest photorealism or detail; step up within the Nano Banana family (Nano Banana 2 or Nano Banana Pro Edit workflows) as needed. [Routing] Use this model for high-quality, creative, non-photorealistic requests.
google/nano-banana
[Core Function] Nano Banana is the original fast creative image model. [Strengths] Very fast creative generation. [Best For] Quick sketches and ideas. [Limitations] Superseded by Nano Banana 2 for general speed tasks. [Routing] Default to Nano Banana 2 unless specifically requested.
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google/gemini-omni-1.1-flash-i2v
[Core Function] Gemini Omni 1.1 Flash I2V animates a single image into a short video with synchronized audio. [Strengths] It uses the input image as the opening frame and supports 360p, 720p, 1080p, and 4k output, 16:9 or 9:16, and 3 to 10 second clips. [Best For] Highly recommended for: animating a still, product or character motion from one frame, and social clips that need built-in audio at 1080p or 4k. [Limitations] Do NOT use this model if you have no starting image (use Gemini Omni 1.1 Flash T2V) or want to edit an existing video (use Gemini Omni 1.1 Flash V2V). Clips are capped at 10 seconds. [Routing] Choose this when the user provides one starting frame. For text-only generation, use Gemini Omni 1.1 Flash T2V.
google/veo-3.1-lite-i2v
[Core Function] Veo 3.1 Lite I2V is a balanced image-to-video model. [Strengths] It offers a middle ground between speed and quality for animating images. [Best For] Highly recommended for: general image animation and web-ready content. [Limitations] Do NOT use this model if you need 4K resolution. [Routing] Use this model for standard image animation requests.
google/veo-3.1-fast-i2v
[Core Function] Veo 3.1 Fast I2V is a high-speed image-to-video model. [Strengths] It quickly animates starting images at 1080p, optimized for low latency. [Best For] Highly recommended for: rapid prototyping and quick social media visual iterations. [Limitations] Do NOT use this model for the absolute highest visual fidelity or 4K output. [Routing] Choose this model when the user emphasizes 'fast' or 'quick' animation.
google/veo-3.1-i2v
[Core Function] Veo 3.1 I2V is Google's cinematic image-to-video generation model. [Strengths] It generates high-fidelity 4K video from a starting image. It supports advanced features like first-and-last frame conditioning and referencing up to three images. [Best For] Highly recommended for: animating concept art, creating cinematic transitions between images, and high-end video production. [Limitations] When using first+last frame or reference-only modes, the `duration` parameter must strictly be 8. Negative prompts are not supported in reference-only mode. [Routing] Use this model by default for high-quality image-to-video tasks or when multiple reference images are provided.
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google/gemini-omni-1.1-flash-t2v
[Core Function] Gemini Omni 1.1 Flash T2V generates a short video with synchronized audio from a text prompt. [Strengths] It supports 360p, 720p, 1080p, and 4k output, 16:9 or 9:16, and 3 to 10 second clips with native speech, music, and sound effects. [Best For] Highly recommended for: rapid prototyping, short social and marketing clips, concept visualization, and cases that need built-in audio at 1080p or 4k. [Limitations] Do NOT use this model if you need clips longer than 10 seconds, a starting image as the first frame (use Gemini Omni 1.1 Flash I2V), or edits to an existing video (use Gemini Omni 1.1 Flash V2V). [Routing] Choose this when the user wants a new video from text only. If they provide a starting image, use Gemini Omni 1.1 Flash I2V. For maximum cinematic control, choose Veo 3.1 T2V.
google/veo-3.1-lite-t2v
[Core Function] Veo 3.1 Lite T2V is a balanced text-to-video model. [Strengths] It provides a good balance between generation speed and visual quality, still supporting the advanced architecture of the 3.1 series. [Best For] Highly recommended for: general video content creation and social media posts where 4K is not strictly necessary. [Limitations] Do NOT use this model for the absolute highest cinematic fidelity (use the standard Veo 3.1 instead). [Routing] Route to this model for standard, everyday video generation tasks.
google/veo-3.1-fast-t2v
[Core Function] Veo 3.1 Fast T2V is a high-speed text-to-video model. [Strengths] It is heavily optimized for fast generation, delivering video content with natively synchronized audio at 1080p quickly. [Best For] Highly recommended for: rapid prototyping, quick visual iteration, and high-volume background video generation. [Limitations] Do NOT use this model if you require 4K resolution or maximum artistic detail. [Routing] Choose this model when the user emphasizes 'fast', 'quick', or 'rapid' video generation.
google/veo-3.1-t2v
[Core Function] Veo 3.1 T2V is Google's state-of-the-art cinematic text-to-video engine. [Strengths] It natively generates 4K professional-grade video output with natively synchronized audio and supports complex camera movements. [Best For] Highly recommended for: high-end creative storytelling, cinematic short films, and experimental video production with sound. [Limitations] Do NOT use this model if you need instant/real-time generation, as 4K video rendering takes time. [Routing] Use this model by default for all high-quality text-to-video requests on the Google platform.
