gen_ffqgxgr837

Decision timeline

1. admission+0 ms

   chat request by prin_agent under profile @company/general-balanced (requested "anthropic/claude-sonnet")

2. cache+0 ms

   exact cache miss

3. route+0 ms

   selected anthropic/claude-sonnet via anthropic/acct_anthropic_ent_apse1 on node_sg_dc_01 (C-tier, ap-southeast-1) — objective=balanced, 3 candidates scored, 2 in fallback chain, 0 hard-filter rejections [router router-v3.4.1, policy policy-2026-07-14]

   3 candidates considered3 survived hard filters0 rejectedobjective: balancedfallback chain: 2router-v3.4.1 · policy-2026-07-14

   Score breakdown — top 3

   #	Candidate	quality	cost	latencyPenalty	cacheSavings	contractValue	shadowPrice	retryRisk	affinityPenalty	Total
   1	anthropic/claude-sonnet via anthropic · node_sg_dc_01 selected	+0.566	-0.270	-0.004	+0.044	+0.021	-0.002	-0.003	+0.300	0.653
   2	anthropic/claude-sonnet via anthropic · node_my_kul_office_01	+0.567	-0.270	-0.031	+0.043	+0.022	-0.002	-0.007	-0.150	0.156
   3	anthropic/claude-sonnet via amazon-bedrock · node_sg_dc_01	+0.563	-0.297	-0.044	+0.049	+0.020	-0.002	-0.003	-0.150	0.108

4. attempt #1+40 ms

   #1 anthropic · account acct_anthropic_ent_apse1 · node node_sg_dc_01 — failed in 210ms (egress_unavailable: node_sg_dc_01 tunnel drained during maintenance window)

   failedanthropicacct_anthropic_ent_apse1pool enterprisenode_sg_dc_01Tier C210 msegress_unavailable

   node_sg_dc_01 tunnel drained during maintenance window

5. attempt #2+300 ms

   #2 anthropic · account acct_anthropic_ent_apse1 · node node_my_kul_office_01 — succeeded in 1450ms

   succeededanthropicacct_anthropic_ent_apse1pool enterprisenode_my_kul_office_01Tier B1.45 s

   1.5K in / 620 out

6. settlement+1723 ms

   settled $0.01 — 1500 in / 620 out tokens (2120 total)

   Ledger entries

   • reserve$0.02budget:bud_proj_agentsreserve est max for anthropic/claude-sonnet
   • settle$0.01budget:bud_proj_agentssettle actual provider usage
   • refund−$0.0062budget:bud_proj_agentsrefund unused reservation

   Cost layers (memo §15.3)

   Provider list

   $0.01

   Contract-adjusted

   $0.01

   Internal charge

   $0.01

   Contract savings

   $0.0011

   contract ct_anthropic_committed (committed)

7. complete+1723 ms

   status=succeeded, model=anthropic/claude-sonnet, 1723ms end-to-end

fabric_metadata

The route-explanation envelope an API caller receives with X-OpenRouter-Metadata: enabled or routing.explain, reconstructed from this generation record.

{
  "requested": "anthropic/claude-sonnet",
  "resolved_model": "anthropic/claude-sonnet",
  "strategy": "balanced",
  "policy_version": "policy-2026-07-14",
  "router_version": "router-v3.4.1",
  "provider": "anthropic",
  "region": "ap-southeast-1",
  "account_pool": "enterprise",
  "node": {
    "ref": "node_my_kul_office_01",
    "trust_tier": "B"
  },
  "cache": {
    "response": "MISS",
    "prompt_affinity": "MISS",
    "predicted_cached_tokens": 0
  },
  "guardrails": [],
  "attempts": [
    {
      "provider": "anthropic",
      "status": 502,
      "error_type": "egress_unavailable"
    },
    {
      "provider": "anthropic",
      "status": 200
    }
  ],
  "routing_reason": [
    "selected anthropic/claude-sonnet via anthropic (balanced objective, score 0.6528)",
    "committed capacity preferred (contract economics)",
    "recovered via fallback after 1 failed attempt(s)"
  ]
}