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AI explained: foundation models reference

Comparison list of LLM and multimodal AI providers with modalities, weights, free tiers, context length, and pricing.

AI Foundation Model Providers & Models

Comprehensive list — April 2026 · Multimodal capabilities, pricing & access details

25+ Providers · 80+ Models · 7 Modalities · $ Pricing included
− Provider Model Weights Free Tier Locally Deployable Parameters Input Context Generates Pricing Notes