Comparison

Scale AI vs Unsloth

On the evidence we track, Scale AI leads this comparison with a composite score of 76/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Scale AI76
Unsloth55
Score
Vioscale score
Scale AI76 / 100low · 45%updating
Unsloth55 / 100low · 40%updating
Pricing
Free tier
Scale AI
Unsloth
Model
Scale AIfreemium
Unslothfreemium
Price level
Scale AIlow
Unslothlow
Transparent
Scale AI
Unsloth
Integrations
Count
Scale AI
Unsloth18
Security
Disclosure policy
Scale AI
Unsloth
Fedramp
Scale AI
Unsloth
Gdpr
Scale AI
Unsloth
Iso27001
Scale AI
Unsloth
Scorecard
Scale AI
Unsloth4.9
Soc2
Scale AI
Unsloth
Adoption
Dependent repos
Scale AI
Unsloth0
Github stars
Scale AI
Unsloth74,869
Activity
Commits last 30d
Scale AI
Unsloth100
Release
Cadence days
Scale AI
Unsloth4
History
Scale AI
Unsloth20 items
License
Spdx
Scale AI
UnslothApache-2.0
Language
Primary
Scale AI
UnslothPython
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for fine tuning platforms. “-” means undocumented, not absent.

Capabilities
Architecture model
Scale AIManaged cloud saas platform
UnslothOpen source library local GPU
Peft lora and qlora parameter efficient tuning
Scale AI-
Unsloth
Rlhf and dpo preference alignment optimization
Scale AI
Unsloth
Serverless hosting of fine tuned adapters lorax
Scale AI-
Unsloth-
Four bit and eight bit memory quantization
Scale AI-
Unsloth
Flash attention and xformers compilation
Scale AI-
Unsloth
Distributed multi GPU orchestration fsdp deepspeed
Scale AI-
Unsloth
Synthetic data generation and evaluation pipeline
Scale AI-
Unsloth-
Native huggingface hub push pull integration
Scale AI-
Unsloth
Weights and biases wandb experiment tracking
Scale AI-
Unsloth-
SOC2 type ii
Scale AI
Unsloth-
Mit or apache permissive oss license
Scale AI-
Unsloth
Pricing model
Scale AI-
UnslothFree open source

What each one is

The product in its own terms, so the numbers below have context.

Scale AI

Leader

Platform providing high-quality training data through crowdsourced annotation and data management, rigorous evaluation and red-teaming of AI models, and enterprise software for building, deploying, and monitoring production AI systems.

Independently observed

Unsloth

Unsloth is a free, open-source desktop app that lets users run, customize, and train AI models on their own hardware with optimizations for speed and memory usage. It supports multiple GPU setups and offers paid Pro and Enterprise tiers with enhanced performance and deployment capabilities.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Scale AI

Leader
HybridFree tier

Enterprise (contact sales) and Self-Serve pay-as-you-go tiers with free tier

  • EnterpriseContact sales
    • Enterprise-grade quality & SLAs
    • Access to Data Engine and Enterprise GenAI Platform
    • Dedicated customer operations support
    • Data annotation services
    • Data management
    • +1 more
  • Self-Serve Data EnginePay-as-you-go with free tier
    • Data annotation and management for ML projects
    • Quality optimization
    • Free tier: 10,000 images
as of verify ↗

Unsloth

HybridFree tier

Free open-source tier; Pro and Enterprise plans available

  • FreeFree
    • Supports Mistral, Gemma, Llama 1/2/3 models
    • 4-bit and 16-bit LoRA fine-tuning
    • Single GPU support
    • 2x speed improvement
    • 60% VRAM reduction
    • +1 more
  • ProContact sales
    • 2.5x faster training
    • 20% less VRAM usage
    • Multi-GPU support up to 8 GPUs
    • 80% VRAM reduction
    • Support for any use case
  • EnterpriseContact sales
    • 30x faster training
    • Up to 30% accuracy improvement
    • 5x faster inference
    • Multi-node support
    • 90% VRAM reduction
    • +2 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Scale AI
Unsloth
macOS
Scale AI
Unsloth
Windows
Scale AI
Unsloth
Linux
Scale AI
Unsloth
Deployment
Cloud / SaaS
Scale AI
Unsloth
Self-hosted
Scale AI
Unsloth

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Scale AI

Leader

Not documented yet.

Unsloth

18 total
  • Claude Code
  • Codex
  • OpenAI API
  • Hugging Face
  • Google
  • Model Context Protocol
  • Cloudflare
  • FLUX
  • MiniMax-H3
  • Stable Diffusion
  • Qwen3.8
  • DeepSeek-V4
  • Gemma 2
  • Gemma 4
  • Mistral
  • Llama 1
  • Llama 2
  • Llama 3
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.