The IBM tax
MIPS-based licensing. Hardware refresh cycles. IBM Global Services renewals. The cost only goes up.
True/z compiles your COBOL to native code and runs it on commodity hardware. VSAM datasets, JCL, CICS transactions, DB2 queries — all working. No rewrite. Dedicated instance. Spot cloud pricing.
Every mainframe modernization project promises the same thing: rewrite the COBOL in Java, migrate the data, retire the iron. Three years and $40M later, the mainframe is still running because the rewrite can't pass the conformance tests the mainframe passes on day one.
MIPS-based licensing. Hardware refresh cycles. IBM Global Services renewals. The cost only goes up.
The average COBOL programmer is 55. They're retiring. The rewrite-to-Java strategy assumes you'll hire replacements. You won't.
Every bank, insurer, and agency has a failed modernization in their past. $20M–$100M spent. Mainframe still running.
True/z transpiles your COBOL to native machine code and runs it on standard x86 servers. Your programs execute at native speed. Your VSAM datasets work. Your JCL submits jobs. Your CICS transactions process. Your DB2 queries return the same results.
Pay for what you use. No three-year enterprise agreements. No per-MIPS licensing. No hardware refresh cycles. Cancel anytime.
MIPS-based licensing. Peak R4HA sets your bill for the entire month. One bad batch night = 30 days of charges at peak rate. 3-year minimum. Hardware lease on top.
Consumption pricing on dedicated instances. Pay per vCPU-hour, only when jobs are running. Scale up for batch windows, scale down overnight. No peak penalty. No contract. No minimums.
True/z is built entirely in Rust — the transpiler, the runtime, the storage engine, the transaction monitor, the security subsystem. No buffer overflows, no use-after-free, no data races in the code that handles your data.
The entire platform — from the COBOL runtime to the VSAM engine to the crypto — is Rust with compile-time memory safety guarantees.
~3,400 unsafe sites, all at the hardware boundary. Every one is grep-able. Compare to millions of lines of C in z/OS.
Reed-Solomon K+M erasure coding with CRUSH placement. Your data survives disk failures without RAID overhead.
Spin up a dedicated instance. Upload your programs. Transpile them. Run the conformance tests yourself. Your code never leaves your instance. No sales call. No NDA. Just proof.
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