How much does the Gemini Omni API cost?

Gemini Omni API pricing is per generation. 720p and 1080p share the same rate across the 4 / 6 / 8 / 10 second duration tiers; 4K is uplifted at every tier. See current per-tier rates in the pricing table on this page. Audio is not part of the reapi-exposed surface, so it never changes the rate. Failed Gemini Omni API jobs refund automatically.

How do I get Gemini Omni API access without a Google Cloud account?

Sign up for reapi, grab an API key, and you can call the Gemini Omni API immediately — no Google Cloud project, no service account, no billing setup. Free credits cover the first few clips. The Gemini Omni API endpoint, request shape, and task polling pattern are the same for every developer.

What input modes does the Gemini Omni API support?

Three modes, picked by the count of image_urls you send: zero is text-to-video, one is image-to-video, three is three-image fusion. The Gemini Omni API does not accept two images — submit either 0, 1, or 3, or the call is rejected at the gateway with a clear 400. Four or more images is also rejected (untested upstream).

What resolutions and durations does the Gemini Omni API support?

The Gemini Omni API supports 720p, 1080p, and 4K at 4, 6, 8, or 10 second durations. Aspect ratios are 16:9 (horizontal) and 9:16 (vertical). Other ratios, durations, and resolutions are rejected client-side before reaching the worker.

Gemini Omni vs Veo 3.1 — which should I pick?

Pick Gemini Omni when you want three-image fusion or 4K on Google's newest video model. Pick Veo 3.1 when you need built-in audio, 8 to 15 second outputs, or the per-second billing model. Both share the same reapi /api/v1/videos/generations endpoint and the same task polling pattern, so swapping is a one-line change in the model field.

Does the Gemini Omni API support audio?

The reapi-exposed surface of the Gemini Omni API does not include audio input or audio output — the clip is silent. If you need built-in audio, use the Veo 3.1 API surface, which mixes dialogue and effects into the same MP4.

Is Gemini Omni API free or paid?

Paid. Completed generations are charged at the rates in this page's pricing table. Eligible new accounts may receive promotional test credits; availability and amount are shown at signup or in the dashboard. Technical or provider failures are refunded automatically, except where this page documents a charged output-moderation block.

Does Gemini Omni API require a monthly subscription?

No. Pricing is pay-as-you-go: $1 buys 1,000 credits and credits never expire. Cost scales with what you generate rather than with a recurring fee.

How do I get a Gemini Omni API key?

Sign up and create a key in the dashboard, no card required. Pass it as a Bearer token in the Authorization header.

Gemini Omni API — Google's Any-Input Video Model

The Gemini Omni API turns a prompt, a single image, or three reference images into a 4 to 10 second clip at 720p, 1080p, or 4K. One endpoint covers text-to-video, image-to-video, and three-image fusion — Google's newest video model, billed per generation.

Highlights: 4–10 s · 720p / 1080p / 4K · fusion & reference modes
Best for: Story scenes, character-driven clips
Input: Text, up to 3 images, or a video reference
Output: Video (mp4)

Input

Prompt*

≤ 2000 chars · required

Resolution

Default 720p

Aspect ratio

16:9 or 9:16 · default 16:9

Duration (seconds)

Default 6 · ignored in reference-to-video mode

Estimated cost~$0.66660 credits

Result

Try one of these prompts

Pricing

Credit-based — 1 credit = $0.001 USD. Pay only for completed generations.

First test cost

$0.495495 credits

One sample at the cheapest tier (1 generation).

Testing budget guide

Add credits

$10

≈ 20 tests

$50

≈ 101 tests

$100

≈ 202 tests

Category	720p	1080p	4K
4 seconds	$0.495 Price · 1 generation	$0.495 Price · 1 generation	$1.155 Price · 1 generation
6 seconds	$0.660 Price · 1 generation	$0.660 Price · 1 generation	$1.320 Price · 1 generation
8 seconds	$0.825 Price · 1 generation	$0.825 Price · 1 generation	$1.485 Price · 1 generation
10 seconds	$0.990 Price · 1 generation	$0.990 Price · 1 generation	$1.650 Price · 1 generation

Reference 720p: $1.320; Price · 1 generation
Reference 1080p: $1.320; Price · 1 generation
Reference 4K: $1.980; Price · 1 generation

What is the Gemini Omni API?

Gemini Omni is Google's any-input video model, exposed on reAPI as one async endpoint with four modes: text-to-video, image-to-video, three-image fusion, and reference-to-video from a source clip of up to 30 seconds. Prompts run up to 2,000 characters, output lands at 720p, 1080p or 4K in 16:9 or 9:16, and durations are 4, 6, 8 or 10 seconds — reference mode takes its length from the source clip instead. Every job is billed flat per generation, not per second.

What you can build with this model

Real-world workflows and production use cases you can build and ship with this model.

Animate a single still with the Gemini Omni API

Pass one reference image and a motion prompt. The Gemini Omni API returns a 4 to 10 second clip from the same endpoint as your text-to-video calls — no model swap, no extra integration. Send a 1080p or 4K request when you want the result production-ready.

Generate a clip

Fuse three references in one Gemini Omni API call

Send three reference images alongside a prompt and the Gemini Omni API combines scene, character, and product into a single motion shot. Skip the storyboard, the masking, and the multi-pass compositing — three-image fusion is the most differentiated mode on the Gemini Omni API and ships from the same /api/v1/videos/generations endpoint as text-to-video.

Text-to-video at 4K via the Gemini Omni API

Describe the scene, pick 4K, and the Gemini Omni API returns a clip at the highest fidelity tier — useful for hero shots, social ads, and landing-page video. Audio is omitted in the reapi surface, so the result drops cleanly into any downstream editor.

Why reAPI for Gemini Omni

One endpoint, three input modes

The Gemini Omni API picks its mode from the count of image_urls you send. Zero gives you text-to-video, one gives image-to-video, three gives three-image fusion — all on the same /api/v1/videos/generations call, with the same authentication and the same task polling pattern. Two images is not supported; the Gemini Omni API will reject that combination at the gateway with a clear 400.

Per-generation pricing, no surprises

The Gemini Omni API charges per generation, not per second. 720p and 1080p share the same rate; only 4K is uplifted. See current per-tier rates in the pricing table on this page. Failed Gemini Omni API jobs refund automatically — your worker never pays for a result you didn't get.

Access without a Google Cloud account

Skip the Google Cloud onboarding, billing setup, and service-account dance. Sign up for reapi, grab a key, and you can call the Gemini Omni API in under a minute. Same model, same outputs — fewer hoops to ship.

Ship the Gemini Omni API in three steps

step 01
Create an API key
Sign up and grab a key from the dashboard. Free credits cover your first Gemini Omni API calls — no card required.
Open
step 02
Submit a video task
POST to /api/v1/videos/generations with model = gemini-omni. The Gemini Omni API returns a task ID immediately so your worker can move on.
Open
step 03
Poll the result
GET /api/v1/tasks/:id until status is completed. Download the Gemini Omni API output and ship it.
Open

docs/api/gemini-omni

API reference

Drop-in code and the full parameter table.

View full reference

curl -X POST https://reapi.ai/api/v1/videos/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-omni",
    "prompt": "A kitten playing piano, slow camera push-in",
    "duration": 6,
    "resolution": "1080p",
    "aspect_ratio": "16:9"
  }'

Parameter validation failed

Rejected synchronously with the failing field named. Check enum values, ranges, and URL fields — nothing is charged.

Authentication or balance issue

401 means a missing or invalid Bearer key; 402 means the reserve exceeds your balance. Manage keys and credits in the console.

Content or material rejected

Reference material and outputs pass automated moderation. Rejected tasks fail with a clear error and a full refund.

Task failed or timed out

A task that reaches a failed state is never charged — the reserve refunds automatically. Keep the task id and retry when ready.

Frequently asked questions

Common questions about this model.

Gemini Omni is Google DeepMind's any-to-any multimodal model family announced at Google I/O 26. The Gemini Omni API in reapi is the video-generation surface of that family — submit a prompt and optionally up to three reference images, and the Gemini Omni API returns a 4 to 10 second clip at 720p, 1080p, or 4K. One endpoint covers text-to-video, image-to-video, and three-image fusion.