Tech 7 min read

Video Generation AI: January 2026 Update Roundup and Where i2v Stands

January 2026 was packed with updates to video‑generation AI. Below, I summarize the releases and consider whether i2v (image→video) is practically usable.

Major Updates in January 2026

Kling O1 (1/8)

A unified multimodal video model by Kuaishou. It takes text, images, and video as inputs and completes both generation and editing with a single model. A Chain of Thought (CoT) approach improves prompt interpretation accuracy.

Consistency when using reference images has improved, making it more stable than before for “getting the shot you want.”

Combined with the agent feature (1/29) described later, the goal is an end‑to‑end flow from image generation to video.

Runway Workflows (1/8)

A node‑based workflow feature. You can wire up nodes for prompt → generation → adjustment to streamline the process. Handy when creating multiple cuts.

It’s positioned as an improvement to the production experience rather than a pure image‑quality upgrade.

Niji Journey V7 (1/10)

The new version of Midjourney/Spellbrush’s anime‑focused image generation model. Line consistency, prompt fidelity, and text rendering have improved significantly.

Flat rendering now enables a look closer to actual anime production styles. It’s easier to target “line‑driven” styles such as line art, manga‑like, and hand‑drawn looks. However, --cref (character reference) is not yet supported; an alternative feature is reportedly in development.

Veo 3.1 (1/14)

Google DeepMind’s video generation model. It now supports native 9:16 vertical video, an “Ingredients to Video” feature with up to three reference images, and 4K upscaling (3840x2160).

Generation quality from reference images has improved, but adding multiple references can introduce drift. Consistency is “pretty good,” though not perfect if you expect exactness.

The front end is Google Flow. Flow’s “Frames to Video” (specify start/end frames and generate the in‑between) is an interesting i2v technique.

Runway Gen‑4.5 i2v (1/22)

Gen‑4.5 is the latest model with better physics and motion quality. Camera work, color grading, and human realism are a step above, making it easier to achieve a cinematic mood.

On the other hand, prompt fidelity and consistency have quirks; sometimes “move like this” doesn’t land as expected.

Vidu Q2 Pro (1/27)

ShengShu Technology’s V2V (video‑to‑video) model. It can simultaneously reference two videos and four images. This enables editing‑style use cases such as “keep this motion but change only the background.”

Because you can retain good parts of the source video while adding new elements, it suits series content and continuous scenes.

Kling Agent (1/29)

An agent feature that, via conversation alone, takes you from images → storyboard → final video. It removes small frictions like “save → move to another page → re‑upload.”

However, if you fully offload image generation, character consistency can break. A practical split is to create baseline character assets yourself and let the agent handle expansion.

Vidu Q3 (1/30)

The industry’s first long‑form AI model that generates audio and video simultaneously. It can output up to 16 seconds of native AV, generating dialogue, sound effects, and BGM, and it auto‑syncs lip motion.

It ranks first in China and second worldwide on Artificial Analysis’s benchmark. Its strength is getting close to a finished product in a single pass.

Grok Imagine API (1/28)

xAI opened the Grok Imagine API, integrating i2v, t2v, and native audio generation. They claim to outperform competitors on IVEBench’s human evaluation.

Instruction following is strong, and combining i2v + t2v makes it easier to realize specific direction.

Can i2v Create “Intended Animation”?

Despite the flashy updates, making i2v move exactly as intended still faces notable constraints.

Hard to Add What Isn’t in the Source Image

i2v models tend to strongly constrain the input image as the “initial state.” If you try to add an object via prompt that doesn’t exist in the source, it may pop in from nowhere or sprout from a hand and look unnatural.

For example, with Grok Imagine, if you supply a picture of empty hands and ask “jump rope,” the rope appears from nowhere and the motion looks off. It works much more naturally when every element already exists in the picture.

A practical workflow looks like this:

  1. Bake all elements during image generation (character + props + background in a single image)
  2. Use i2v to specify motion only

i2v’s preceding image‑generation stage (t2i or img2img) becomes the effective bottleneck for quality and control.

Potential of Start/End Frames (Frames to Video)

With Google Flow’s Frames to Video and Runway Gen‑4.5’s First/Last Frame features, you can specify start and end frames and have the model generate the in‑between.

Where this can work:

  • Transition from pose A to pose B
  • Camera changes (push‑in → pull‑out, etc.)
  • Facial expression changes and eye movements

Hard cases:

  • You want to insert a specific mid‑action (A → jump midway → B, etc.)
  • Multi‑character interactions
  • Physically precise motions (e.g., throwing and catching an object)

The current limit is insufficient control over what fills the gap between A and B. With only the end frames, the middle becomes a roll of the dice. Allowing mid‑frames would improve accuracy, but that increases the number of keyframes and the prep burden.

Short Explainer Videos Are Tough

One‑shot generation of YouTube‑Shorts‑style explainers is difficult with any current model. Video generation AI excels at cinematic shots and character motion, but it still struggles with elements required for explainers: accurate text placement, diagrams and information design, and precise lip‑sync to dialogue.

A realistic approach is a hybrid: build the skeleton (supers, layout, timing) with programmable tools such as Remotion, and generate only backgrounds or cutaways with i2v.

i2v Models That Run Locally

Open‑source models that run locally, without relying on cloud APIs, have become quite capable.

Wan 2.1 / 2.2 (Alibaba) — First Choice

Currently the most popular i2v model for local use. The lite variant runs on as little as 8 GB of VRAM. Version 2.2 adopts a Mixture‑of‑Experts (MoE) layout, splitting high‑noise experts for initial layout from low‑noise experts for detail finishing, improving quality without raising inference cost.

ComfyUI nodes are available, making it easy to build workflows.

LTX‑2 (Lightricks)

Released on January 6, 2026. Supports native 4K, 50 fps, and simultaneous audio generation, and runs on a single RTX 4090. The model architecture, pretrained weights, training code, dataset, and inference tools are all public.

HunyuanVideo 1.5 (Tencent)

Originally 13B parameters, slimmed to 8.3B in v1.5. With offloading, it can run from 14 GB of VRAM.

VRAM Guide

ModelVRAM
Wan 2.1/2.2 (Lite)8 GB+
LTX‑224 GB (RTX 4090 recommended)
HunyuanVideo 1.514 GB+ (with offloading)
Open‑Sora 2.040 GB+

A common weakness locally is lower instruction‑following accuracy than cloud APIs. Don’t expect high fidelity to motion directives like “jump rope.” More realistic is leveraging the source image while adding atmospheric motion.

Takeaways for Now

January 2026 saw a flurry of updates across vendors, energizing the video‑generation AI market, but if your criterion is “produce the intended direction in one shot,” we’re still in progress.

Practical usage looks like:

  • Bake all elements at the image‑generation stage → drive motion with i2v for the most stability
  • Use models strong in instruction following (Grok Imagine, Kling O1) and specify motion in language
  • Start/End frame specification works for pose transitions and camera work, but the middle is not controllable
  • If running locally, Wan 2.1/2.2 is cost‑effective from 8 GB of VRAM
  • For explainers, a hybrid with conventional tools is realistic