Shareable benchmark figure
The pilot cost less on the Codex estimate
Reported or estimated USD cost for each pilot run. Lower is better, but the pricing bases are not identical.
Figure 06 · Cost basis
The pilot cost less on the Codex estimate
GPT-5.6 SolGrok 4.6 Build
Codex uses published API-equivalent rates ($1.32–$2.41); Grok uses provider-reported telemetry ($3.24). Neither proves subscription invoice impact.