AI Video Generators Reviewed: Kling, Runway, Jimeng & More

HeyGen Video 1 is now available in HyperFrames Studio, generating videos up to one minute with a HeyGen avatar or as B-roll, with pay-as-you-go API pricing of 1 cent per second.

A post says HeyGen Voice ranks first in TTS blind tests and its API price is cut 50% until October 31, available now.

HeyGen's new voice model took first place on the Artificial Analysis TTS leaderboard, with API pricing at 50% off until October 31.

HeyGen's new voice model HeyGen Voice topped the Artificial Analysis TTS blind-test leaderboard and is live on HeyGen and the API, with API users paying $15 per million characters instead of $30 through 10/31, applied automatically.

Artificial Analysis evaluation shows HeyGen Voice ranks first in the cloned-voice TTS arena with an Elo of 1201, ahead of Qwen and ElevenLabs, priced at $30 per million characters.

OpenArt now offers Ideogram 4.5, which lets users generate an image and then keep refining colors, lighting and text with more consistent details across edits.

A user built an internal AI video editing tool with Claude Code that chains Nano Banana image generation and Kling 3.0 animation to fully edit a Suno song ad, and criticizes the freelance editing market.

A user says WAN 3.0 on Runway returned a generation error even for a very simple video, so they switched to KLING 3.0 Standard and burned through a lot of credits.

A user promotes a pipeline that uses Kling for video, Arcads for voiceovers and CapCut for editing, claiming it can produce 550 TikTok Shop ads a day.

A user says one Higgsfield video run produced 193 images and advises skipping 4K, enabling all MCP actions, sorting by 001/002 filenames, and using 2-3 second images at the start.

A user given early access to TapNow's CineMap says it builds spaces and previz camera moves from text, generates video, converts to live-action style, and supports V2V character insertion.

A user warns that low per-minute avatar tools save money through weak image models, unconvincing avatars and static scenes, and that postable video costs close to $1 per minute, naming HeyGen Avatar 4+ as an exception.