AI Gateway – AI Gateway custom costs support cache tokens

AI Gateway – AI Gateway custom costs support cache tokens

AI Gateway custom costs now support cache-read and cache-write token rates. This lets custom cost metrics reflect negotiated cache pricing across providers. Add per_cache_read_token or per_cache_write_token to the cf-aig-custom-cost header: { "per_token_in": 0.000001, "per_token_out": 0.000002, "per_cache_read_token": 0.0000001, "per_cache_write_token": 0.0000005 }…