AI diagram generator for STEM teachers and students that creates labeled science diagrams in seconds
Aesthetic-first AI image generator with style control and creative direction tools
Stage
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Founded
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Based in
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Pricing model
Freemium
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Pricing
Free: 8 free credits to start with no card required. Starter Pack: $5 USD for 10 credits. Basic Pack: $10 USD for 22 credits. Plus Pack: $30 USD for 72 credits (most popular). Power Pack: $80 USD for 220 credits. Max Pack: $200 USD for 620 credits. All purchased credits never expire. Optional auto-r
Annual plans (50% off launch offer): Starter $9.9/month (9,600 credits yearly), Pro $19.9/month (24,000 credits yearly), Studio $44.9/month (72,000 credits yearly). Monthly and one-time credit packs also available.
Key features
AI-powered diagram generation from text descriptions or uploaded PDFs
Labeled and unlabeled diagram versions
Multiple grade levels K-12 through graduate research
Black and white and color rendering modes
Print-ready worksheets and presentation slides
Subject and grade-level presets for K-12 and graduate research
Expressive text-to-image generation with aesthetic diversity
Style references with adjustable per-reference strength
Moodboard direction for coherent visual language
Adjustable creativity levels from raw to high
Medium and Large model variants
Krea 2 Turbo speed-optimized variant
Up to 9 reference image slots per generation
4K resolution export capability
Prompt expansion for richer visual briefs
Commercial-use licensing on all paid plans
What makes it different
Built specifically for diagrams, not generic image generation, ensuring scientific accuracy and proper labeling
Projector-ready diagrams with readable labels and high contrast designed for classroom use
Pay-as-you-go pricing with no subscription and credits that never expire
Editable vector export for use in professional design tools like Illustrator and Figma
Commercial license included with paid credits covering classroom and school use
Separates subject intent from aesthetic intent for precise style exploration
Top-ten placement on Artificial Analysis text-to-image leaderboard
Open-source model weights available on Hugging Face
Wider aesthetic vocabulary covering raw, photographic, illustrative, and painterly styles
Designed for early art direction when exploration matters more than a single polished answer
Figviz
Krea 2