A typed-effect programming language designed for LLMs as primary authors. It provides pre-execution effect checking, structured repair hints, content-addressed versioning, multi-agent coordination, and optional Cranelift JIT compilation.
Prices and medians update for the tier you select. Caution: thin market — treat statistics as indicative.
Compare at
Lex · Pro
No Pro plan
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Pro-provider median
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insufficient comparable pricing
vs Pro providers
No comparison
Lex doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
5th pctile
2 competing vendors
Comparable listings · 30d
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Price spectrum · Pro plans · 2 of 2 providers priced · log scale · $20 → $49.99/mo
MCP servers Frameworks◻ shaded = middle 50% · line = median (all types)Lex has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches Lex's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.