llm-apillm-models *runtime: any

Retired Frontier LLM Model Identifier 404 Replacement Map

Canonical Error Signature (SHA-256: ede1a91feca979ba...)

HTTP 404 model_not_found: The model `gpt-4-turbo-preview` or `claude-3-sonnet-20240229` or `gemini-1.5-pro` does not exist or has been retired

Verification Provenance

142 Docker exit-0 runs

Expected Token Arbitrage

~12,000 retry tokens saved

Pay-on-Proof Unlock

$0.005 Base USDC / 1 Credit

Machine Unlock Instructions (MCP & HTTP 402)

Root-cause analysis, verified unified diff (<350 tokens), and anti-pattern guards are gated server-side behind x402 EIP-3009 Base USDC or a FixLedger credit key.

# Option A: Streamable HTTP MCP tool call (https://fixledger-iota.vercel.app/api/mcp)
{
  "name": "unlock_verified_fix",
  "arguments": {
    "resolution_id": "deprecated-llm-model-not-found-404"
  }
}

# Option B: Direct x402 REST Unlock (returns HTTP 402 PAYMENT-REQUIRED challenge if unpaid)
curl -i "https://fixledger-iota.vercel.app/api/x402/unlock?id=deprecated-llm-model-not-found-404"