Runway
89Video, image and audio generation suite built around the Gen-4.5 model, with mobile apps and a developer API
3 products our research names as a replacement for TheFluxTrain in Text-to-Video Generators, each with what it does differently — prices, API and status from our own checks rather than from the vendors’ own pages.
Video, image and audio generation suite built around the Gen-4.5 model, with mobile apps and a developer API
has a public API · still active at our last check
TheFluxTrain vs Runway →Video, image and audio generation studio fronting a dozen third-party models and its own, priced in credits with no watermark on any tier.
from $10 against $11 · has a public API
TheFluxTrain vs Pika →Luma's creative workspace where an agent generates and edits video, images and audio with Ray and third-party models on one canvas
has a public API · still active at our last check
TheFluxTrain vs Luma Agents →Not named as direct replacements — neighbours from the same part of the catalog: the best-rated first, then a sample of the rest.
OpenAI's text-to-video app and remix feed, shut down in 2026: the app closed on 26 April and the API on 24 September.
Generates 8-second short-form videos from templates and an uploaded or AI-modified starting image.
Text-to-video, image-to-video and 4K stills drawn from one credit balance, with packs that never expire
Uploads a song and generates a synced lyric video you can restyle in a browser editor.
Chat-driven AI video studio whose agents turn a text idea into short-form clips, music videos and UGC-style ads.
Turns a song into a beat-cut music video with storyboards and consistent characters
Credit-based AI video generator that turns text prompts or a single image into short clips across several third-party models.
AI video creation combining recording, editing and stock avatars
Turns a script and product images into short ads and social videos, with scene-by-scene control over style and voiceover.
Kuaishou-lineage generator turning text and images into 1080p–4K video clips, extendable to about three minutes
Scripts, blogs and slides into narrated video with AI voices
Turns articles and scripts into branded social videos
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