Saving
Switch cost
Total
% of baseline cost (all-Astra / all-Opus)
0%
20%
40%
60%
80%
100%
Codex: Sol/Astra router vs. all-Astra
100%
All-Astra
–45.9%
Cachereads
–15.3%
Uncachedinput
–5.0%
Output
+10.8%
Astraswitchcost
+0.5%
Solswitchcost
45%
Actual
NET SAVING 55%
Claude Code: Sonnet/Opus router vs. all-Opus
100%
All-Opus
–13.0%
Cachereads
–20.3%
Uncachedinput
–4.9%
Output
+10.3%
Opusswitchcost
+3.5%
Sonnetswitchcost
76%
Actual
NET SAVING 24%