gen_535gf43ljn

Decision timeline

1. admission+0 ms

   chat request by prin_admin under profile @company/general-best (requested "@company/general-best")

2. cache+0 ms

   exact cache miss

3. route+0 ms

   selected anthropic/claude-opus via anthropic/acct_anthropic_ent_use1 on node_cf_use1_01 (A-tier, us-east-1) — objective=quality, 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: qualityfallback 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-opus via anthropic · node_cf_use1_01 selected	+0.980	-0.188	-0.002	+0.033	+0.013	-0.002	-0.001	+0.300	1.133
   2	openai/gpt-5.2 via openai · node_cf_use1_01	+0.959	-0.070	-0.022	+0.021	0.000	-0.010	-0.001	-0.150	0.711
   3	google/gemini-3-pro via google-vertex · node_cf_euw1_01	+0.928	-0.087	-0.043	+0.035	0.000	-0.010	-0.005	-0.150	0.637

4. attempt #1+55 ms

   #1 anthropic · account acct_anthropic_ent_use1 · node node_cf_use1_01 — failed in 658ms (provider_overloaded: 529 overloaded_error from anthropic)

   failedanthropicacct_anthropic_ent_use1pool enterprisenode_cf_use1_01Tier A658 msprovider_overloaded

   529 overloaded_error from anthropic

5. attempt #2+1258 ms

   #2 anthropic · account acct_anthropic_ent_use1 · node node_cf_use1_01 — failed in 640ms (provider_overloaded: 529 overloaded_error from anthropic (bounded retry))

   failedanthropicacct_anthropic_ent_use1pool enterprisenode_cf_use1_01Tier A640 msprovider_overloaded

   529 overloaded_error from anthropic (bounded retry)

6. attempt #3+1998 ms

   #3 google-vertex · account acct_vertex_prod_euw1 · node node_cf_euw1_01 — succeeded in 3315ms

   succeededgoogle-vertexacct_vertex_prod_euw1pool prodnode_cf_euw1_01Tier B3.31 s

   4.4K in / 3.2K out

7. settlement+4654 ms

   settled $0.05 — 4385 in / 3160 out tokens (7545 total)

   Ledger entries

   • reserve$0.06budget:bud_proj_corereserve est max for @company/general-best
   • settle$0.05budget:bud_proj_coresettle actual provider usage
   • refund−$0.02budget:bud_proj_corerefund unused reservation

   Cost layers (memo §15.3)

   Provider list

   $0.10

   Contract-adjusted

   $0.09

   Internal charge

   $0.11

   Contract savings

   $0.0081

   contract ct_anthropic_committed (committed)

8. complete+4654 ms

   status=succeeded, model=google/gemini-3-pro, 4654ms 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": "@company/general-best",
  "resolved_model": "google/gemini-3-pro",
  "strategy": "quality",
  "policy_version": "policy-2026-07-14",
  "router_version": "router-v3.4.1",
  "provider": "google-vertex",
  "region": "eu-west-1",
  "account_pool": "prod",
  "node": {
    "ref": "node_cf_euw1_01",
    "trust_tier": "B"
  },
  "cache": {
    "response": "MISS",
    "prompt_affinity": "MISS",
    "predicted_cached_tokens": 0
  },
  "guardrails": [],
  "attempts": [
    {
      "provider": "anthropic",
      "status": 503,
      "error_type": "provider_overloaded"
    },
    {
      "provider": "anthropic",
      "status": 503,
      "error_type": "provider_overloaded"
    },
    {
      "provider": "google-vertex",
      "status": 200
    }
  ],
  "routing_reason": [
    "selected anthropic/claude-opus via anthropic (quality objective, score 1.1327)",
    "committed capacity preferred (contract economics)",
    "recovered via fallback after 2 failed attempt(s)"
  ]
}