Deprecated Anthropic Claude 3.5 / 3.x Snapshot (404 model_not_found)

Hardcoded 2024 Claude 3 / 3.5 snapshot IDs (such as claude-3-5-sonnet-20240620 or claude-3-opus-20240229) are retired and return HTTP 404 not_found_error.

1. Immediate Code & SKU Fix

Replace With SKU: claude-sonnet-4-5

Install Command: npm install @anthropic-ai/sdk@latest

Required Env Vars: ANTHROPIC_API_KEY

const msg = await anthropic.messages.create({ model: 'claude-sonnet-4-5', max_tokens: 4096, messages });

2. Verified Hot-Swap Fallback Route

JTBD: coding-agent

Primary: anthropic → Fallback: openai

liveHealth: operational · autoActOk: true

Compliance blocks Anthropic

GET /api/rescue JSON (<2 KB)Falsify Pick (/api/falsify)

Matched Error String Signatures (6)

claude-3-5-sonnet-20240620claude-3-5-sonnet-20241022claude-3-opus-20240229claude-3-haiku-20240307model_not_foundnot_found_error

curl -s "https://getagentdepot.com/api/rescue?q=claude-3-5-sonnet-20240620"

Browse All 28 Agent Runtime Rescue Cards