AI Models We Use - All Open Source | Free.ai

High-quality 7B model from Mistral AI with excellent instruction following.

by Mistral AI

Mistral Small 3 (24B)

Apache 2.0 24B Өзі- өзі

Mistral Small 3 — Apache 2.0. 24B dense, fast inference, strong multilingual. Drop-in replacement …

by Mistral AI

Phi-4 14B

MIT 14B Өзі- өзі

Phi-4 — MIT licensed. Microsoft's strongest small model, trained on curated synthetic data.

Qwen3 32B

Apache 2.0 32B Өзі- өзі

Mid-size Qwen3. Apache 2.0. Strong multilingual + reasoning. Fits on a single 20GB A100.

by Alibaba

Qwen3 Next 80B

Apache 2.0 80B Өзі- өзі

Qwen3-Next-80B is Alibaba's flagship open reasoning model released late 2026. Apache 2.0 licensed. Competitive …

by Alibaba

SmolLM 3 3B

Apache 2.0 3B Өзі- өзі

SmolLM 3 — Apache 2.0, Hugging Face's tiny-but-capable open model. Edge deployment friendly.

by HuggingFace

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Code Generation 3

Qwen 2.5 Coder 32B

Apache 2.0 32B Өзі- өзі

Best open-source code model. Excels at Python, JavaScript, TypeScript, and 50+ languages.

Qwen3-Coder 7B

Dedicated code model optimized for programming tasks. Supports 100+ languages.

BigCode OpenRAIL-M 15B Өзі- өзі

StarCoder 2 15B

StarCoder2 — OpenRAIL-M (commercial-allowed with use-restrictions). Trained on permissively-licensed GitHub.

by BigCode

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Image Generation 8

FLUX.1 Krea

Apache 2.0 12B Өзі- өзі

FLUX.1 Krea — Apache 2.0 open variant of FLUX tuned for photorealistic output.

by Black Forest Labs

FLUX.1 Schnell

Apache 2.0 12B Өзі- өзі

State-of-the-art text-to-image model. Fast generation with stunning quality.

by Black Forest Labs

FLUX.2 Klein 4B

Apache 2.0 4B Өзі- өзі

Latest FLUX image generation model with improved quality and style diversity.

by Black Forest Labs

Kolors

Apache 2.0 2.5B Өзі- өзі

Kolors — Apache 2.0. ChatGLM3-based text encoder; exceptional Chinese-English bilingual prompts.

by Kuaishou

Lumina Image 2

Apache 2.0 2.6B Өзі- өзі

Lumina Image 2 — Apache 2.0. DiT-based, strong prompt following, highly controllable.

by Alpha-VLLM

PixArt-Σ

OpenRAIL++ 600M Өзі- өзі

PixArt-Σ — OpenRAIL++. Transformer-based 4K-capable image gen at a fraction of SDXL's compute.

by PixArt-alpha

SDXL Turbo

OpenRAIL++ 3.5B Өзі- өзі

SDXL Turbo — OpenRAIL++. Single-step image generation; order-of-magnitude faster than SDXL.

by StabilityAI

Stable Diffusion XL

OpenRAIL++ 3.5B Өзі- өзі

Industry-standard image generation model with wide community support.

by Stability AI

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Apache 2.0 1B adapter Өзі- өзі

Video Generation 6

AnimateDiff v3

AnimateDiff — Apache 2.0. Motion adapter that animates SDXL/SD 1.5 images.

by AnimateDiff

CogVideoX-2B

Apache 2.0 2B Өзі- өзі

Text-to-video generation model producing 4-8 second clips.

by Tsinghua University

HunyuanVideo 1.5

Apache 2.0 1.5B Өзі- өзі

Generate stunning videos from text prompts. Higher quality than CogVideoX with more natural motion.

by Tencent

Mochi 1

Apache 2.0 10B Өзі- өзі

Mochi 1 — Apache 2.0! The only fully-open frontier text-to-video model. Strong motion, cinematic.

by Genmo

SadTalker

MIT 500M Өзі- өзі

SadTalker — MIT. Audio-driven talking-head video generation. Photo + audio in, lip-synced video out. …

by OpenTalker

Wan 2.1

Apache 2.0 14B Өзі- өзі

Wan 2.1 — Apache 2.0! First fully-open competitive T2V+I2V model.

by Alibaba

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Text-to-Speech (TTS) 9

Bark

MIT 1.5B Өзі- өзі

Bark — MIT licensed text-to-audio model that generates speech, music, sound effects, and non-speech …

by Suno AI

Chatterbox

Highly expressive TTS with voice cloning support.

by Resemble AI

Kokoro

Apache 2.0 Өзі- өзі

Ultra-fast TTS with natural intonation. Supports streaming.

by Hexgrad

MeloTTS

High-quality multilingual text-to-speech model.

by MyShell

OuteTTS

Apache 2.0 Өзі- өзі

TTS with built-in voice cloning from short audio samples.

by Oute

Parler-TTS Large

Apache 2.0 2.3B Өзі- өзі

Parler-TTS — Apache 2.0. Fully open reproduction of Google's Parler. Control tone, pace, and …

by HuggingFace

Piper

Fast and lightweight TTS with dozens of voices and languages.

by Rhasspy

Qwen3-TTS 0.6B

Apache 2.0 0.6B Өзі- өзі

Advanced TTS with 3-second voice cloning. Clone any voice from a short sample. Multilingual …

StyleTTS 2

MIT 24M Өзі- өзі

StyleTTS 2 — MIT licensed, zero-shot voice cloning from a single reference sample. Small, …

by Yinghao Aaron Li

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Speech-to-Text (STT) 3

Distil-Whisper large-v3

MIT 756M Өзі- өзі

Distil-Whisper — MIT licensed. 6× faster than Whisper large-v3 with ~1% WER gap. Drop-in …

by HuggingFace

Moonshine Base

MIT 61M Өзі- өзі

Moonshine — MIT. Optimized for edge devices; faster than Whisper tiny at better accuracy.

by Useful Sensors

faster-whisper large-v3

CTranslate2 port of OpenAI Whisper. Fast and accurate speech recognition in 99 languages.

by OpenAI / SYSTRAN

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Music Generation 2

ACE-Step 3.5B

MIT 3.5B Өзі- өзі

Generate complete songs with vocals, lyrics, and instrumentation in seconds. Supports any genre and …

by ACE-Step

AudioLDM 2

Apache 2.0 Өзі- өзі

Generate music from text descriptions. Any genre, mood, or style.

by Haohe Liu

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Apache 2.0 77M/pair Өзі- өзі

Translation 2

MadLAD-400 3B

Apache 2.0 3B Өзі- өзі

Google's Massive Multilingual Adaptive Dataset translation model. Supports 450+ languages with Apache 2.0 license.

by Google

Opus-MT

Opus-MT — Apache 2.0. 1000+ language-pair models. Tiny footprint, no licensing risk.

by Helsinki-NLP

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Vision & Multimodal 3

InternVL 3 8B

MIT 8B Өзі- өзі

InternVL 3 — MIT. One of the strongest open VLMs, near Qwen-VL 72B quality …

by Shanghai AI Lab

Molmo 7B

Molmo — Apache 2.0 open vision-language model from AI2. Strong on document+chart understanding.

by Allen Institute

Qwen2.5-VL 7B

Advanced vision-language model that understands images, charts, and documents. Ask questions about any image.

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OCR & Document Understanding 4

Florence-2 Large

MIT 770M Өзі- өзі

Florence-2 — MIT. Unified vision model doing OCR, object detection, captioning, and grounding in …

GOT-OCR 2.0

Apache 2.0 580M Өзі- өзі

Unified OCR model that handles text, tables, charts, and mathematical equations. Far superior to …

Apache 2.0 multi Өзі- өзі

PaddleOCR

PaddleOCR — Apache 2.0. Industrial-grade OCR supporting 80+ languages. Layout analysis, table detection, handwriting.

by PaddlePaddle

TrOCR Base

MIT 334M Өзі- өзі

TrOCR — MIT. Transformer-based OCR, especially strong on handwriting.

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OpenRAIL++-M 865M Өзі- өзі

Image Enhancement & Upscaling 5

BiRefNet v2

MIT 220M Өзі- өзі

BiRefNet v2 — MIT. Bilateral reference dichotomous segmentation. Sharper than U-2-Net / RMBG on …

by ZhengPeng7

GFPGAN

Apache 2.0 333M Өзі- өзі

GFPGAN — Apache 2.0. Face restoration + enhancement model. Fixes blurry/damaged portraits.

by Tencent

Marigold Depth

Marigold — OpenRAIL++-M. CVPR 2024 best paper monocular depth estimator, fine-tuned from Stable Diffusion. …

by ETH Zurich

Real-ESRGAN

BSD Өзі- өзі

State-of-the-art image upscaling and enhancement.

by Xintao Wang

Segment Anything 2

Apache 2.0 224M Өзі- өзі

SAM 2 — Apache 2.0. Meta's universal segmentation model, with video support.

by Meta

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Audio Source Separation 2

Demucs

Separate vocals, drums, bass, and other stems from any song.

by Meta

Spleeter

MIT 20M Өзі- өзі

Spleeter — MIT. Stem separation (vocals, drums, bass, piano, other).

by Deezer

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3D Generation 3

InstantMesh

Apache 2.0 1B Өзі- өзі

InstantMesh — Apache 2.0. Single-image → 3D mesh in seconds.

by TencentARC

TRELLIS

MIT 2B Өзі- өзі

TRELLIS — MIT. Unified 3D generation from text or image. Industry-leading mesh quality.

TripoSR

by VAST AI / Stability AI

Generate 3D meshes from single images in under a second. Outputs GLB or OBJ …

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Text Embeddings 3

BGE-M3

State-of-the-art multilingual text embedding model. Powers semantic search and similarity matching.

by BAAI

Nomic Embed v2

Apache 2.0 305M Өзі- өзі

Nomic Embed v2 — Apache 2.0. Matryoshka-embeddings, truncatable 768→256→128 dims.

by Nomic AI

mxbai-embed-large-v1

Apache 2.0 335M Өзі- өзі

mxbai-embed-large-v1 — Apache 2.0. Strong on MTEB English benchmark.

by mixedbread.ai

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