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CM3leon by Meta

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Meta research foundation model for efficient multimodal text-to-image and image-to-text generation.

Added on:Jul 13, 2026
Monthly Visitors:
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multimodal AItext-to-imageimage-to-textfoundation modelMeta AIgenerative AI

Tool Information

What is CM3leon by Meta?

CM3leon by Meta is a single causal masked mixed-modal foundation model that performs both text-to-image and image-to-text generation. It is trained with a retrieval-augmented pre-training and multitask supervised fine-tuning recipe adapted from text-only language models, enabling generation of sequences of text and images conditioned on arbitrary prior image and text content.

Core Features

  • Text-to-image generation

    Generates coherent images from text prompts, including highly compositional structures and complex objects, achieving state-of-the-art FID of 4.88 on zero-shot MS-COCO.

  • Image-to-text generation

    Produces text outputs such as captions and answers from image inputs as part of the same multimodal model.

  • Text-guided image editing

    Edits images according to textual instructions while understanding both text and visual content, such as changing sky color.

  • Visual question answering

    Answers questions about image content through multitask instruction tuning.

  • Image caption generation and long-form captioning

    Generates image captions and long-form descriptions, with zero-shot performance competitive against larger models.

  • Conditional and multitask image generation

    Supports conditional image generation and super-resolution within a single model via large-scale multitask supervised fine-tuning.

  • Retrieval-augmented pre-training and efficient training

    Uses large-scale retrieval-augmented pre-training and multitask SFT; trained with five times less compute than previous transformer-based methods while remaining inference-efficient.

Use Cases

  • #1

    Complex compositional image synthesis

    Creating detailed images from multi-constraint prompts, such as a potted cactus with sunglasses and a hat or a raccoon anime character preparing for battle.

  • #2

    Text-based image editing

    Modifying existing images via natural language instructions while preserving global shapes and local details.

  • #3

    Vision-language understanding tasks

    Performing image captioning, long-form captioning, and visual question answering with a single model.

  • #4

    Multimodal sequence generation

    Generating mixed sequences of text and images conditioned on arbitrary prior image and text content.

Best for:AI researchersMultimodal generative model developers

Pricing Plans

Research model announcement only; no pricing, commercial product, public access, API, or licensing details provided.

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Frequently Asked Questions

What is CM3leon by Meta?
CM3leon is a Meta research foundation model for efficient multimodal text-to-image and image-to-text generation. It is a single causal masked mixed-modal foundation model trained with a retrieval-augmented pre-training and multitask supervised fine-tuning recipe adapted from text-only language models.
What features does CM3leon offer?
CM3leon supports text-to-image generation, image-to-text generation, text-guided image editing, visual question answering, image caption generation and long-form captioning, conditional and multitask image generation, and retrieval-augmented pre-training with efficient training.
Is CM3leon available as a public product or API?
No. It is a research model showcase only; no public product, API, download, or deployment details are provided in the official source.
Who is the target audience for CM3leon?
AI researchers and multimodal generative model developers.
How efficient is CM3leon’s training?
It uses large-scale retrieval-augmented pre-training and multitask supervised fine-tuning, and was trained with five times less compute than previous transformer-based methods while remaining inference-efficient.
What pricing information is available for CM3leon?
Pricing is not clearly published by the official source. The model is presented as a research announcement only, with no commercial product, public access, API, or licensing details provided.

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Tool Information

Pricing ModelUnknown
CategoryImage Editing
Tags
multimodal AItext-to-imageimage-to-textfoundation modelMeta AIgenerative AI
LanguageEnglish
Last UpdatedJul 16, 2026