anthropics/claudes-c-compiler
claudes-c-compiler
Claude Opus 4.6 wrote a dependency-free C compiler in Rust, with backends targeting x86 (64- and 32-bit), ARM, and RISC-V, capable of compiling a booting Linux kernel.
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Anthropic
anthropics • ai-lab
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229
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Created
Feb 4, 2026
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README Summary
A C compiler written entirely from scratch in Rust, targeting x86-64, i686, AArch64, and RISC-V 64. Zero compiler-specific dependencies — the frontend, SSA-based IR, optimizer, code generator, peephole optimizers, assembler, linker, and DWARF debug info generation are all implemented from scratch. Claude's C Compiler produces ELF executables without any external toolchain.
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AI-Assisted Software DevelopmentCompiler Design AutomationLarge Language Model Code GenerationMulti-target Code GenerationSystems Programming AI
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AI-Assisted Software DevelopmentCompiler Design AutomationLarge Language Model Code GenerationMulti-target Code GenerationSystems Programming AIAnthropic / ClaudeCachingClaudeDatabaseForkedRust
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Updated 3 months ago
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research- Quality
- medium
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Inference & ServingPrimaryFoundation ModelsDev Tools & Automation
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Cost & Efficiency
Languages
Rust100.0%
Timeline
- Project created
- Feb 4, 2026
- Forked
- Mar 14, 2026
- Your last push
- 3 months ago
- Upstream last push
- 3 months ago
- Tracked since
- Feb 5, 2026
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