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- model-chain.md: updated to Aug 8 with 18-model expansion verification - New models documented: claude-sonnet-4-6, claude-opus-4-8, claude-fable-5, gemini-2.5-flash/pro, xai/grok-4.3, gpt-5, gpt-5-mini - Fixed gemini-3.6-flash → gemini-flash-latest in key model lists - backup-plan.md: Dawarich/RAGFlow added to schedule table (H6 follow-up) - Server specs verified accurate (12 vCPU, 31 GB, 1 TB on app1) - UniFi verified live (302 → /manage)
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AI Model Architecture — IT Pro Partner
Updated: August 8, 2026
Two separate concepts: fallback chain (survival — direct API keys) and operational chain (daily toolbox — admin-ai only). The two-key strategy means operational keys run through admin-ai/LiteLLM; fallback keys are direct provider API keys with daily limits.
Aug 8 verification: All 18 models confirmed active in LiteLLM DB. New additions since Aug 6: claude-sonnet-4-6, claude-sonnet-4-5, claude-opus-4-8, claude-fable-5, gemini-2.5-flash, gemini-2.5-pro, xai/grok-4.3.
Fallback Chain (auto-failover — direct API keys)
Survives admin-ai outage. All direct provider keys have daily caps. Fires in order — only when the model above is unreachable.
| Tier | Model | Provider | Key type | Daily cap |
|---|---|---|---|---|
| Primary | deepseek-v4-pro |
admin-ai |
operational | $30/mo budget |
| F1 | deepseek-v4-flash |
deepseek (direct) |
fallback | $3 |
| F2 | gemini-3.6-flash |
google (direct) |
fallback | $2 |
| F3 | grok-4.5 |
xai (direct) |
fallback | $2 |
| F4 | claude-sonnet-5 |
anthropic (direct) |
fallback | $5 |
| F5 | gpt-4.1-nano |
openai (direct) |
fallback | $2 |
Total emergency budget: $14/day — down from $45 single-leg burn on Aug 5.
Operational Models (daily toolbox — admin-ai only)
All route through admin-ai. Shared budget via hermes-agent-v5 key.
| Role | Model | Provider | Use When |
|---|---|---|---|
| Conductor | deepseek-v4-pro |
admin-ai (DeepSeek) | All standard work — orchestration, delegation, coding |
| Workhorse | deepseek-v4-pro |
admin-ai (DeepSeek) | Delegated tasks, scripts, infra code |
| Batch Workhorse | deepseek-v4-flash |
admin-ai (DeepSeek) | Bulk scripts, log parsing, repetitive tasks |
| Lightweight | claude-haiku-4-5 |
admin-ai (Anthropic) | Email triage, classification, simple tasks |
| Simple Workhorse | gpt-5.6-luna |
admin-ai (OpenAI) | Lightweight tasks under 128K context |
| Auditor | gpt-5.6-luna |
admin-ai (OpenAI) | Code review, QA (primary auditor) |
| Auditor 2 | xai/grok-4.5 |
admin-ai (xAI) | Second-opinion code review (different provider) |
| Critical | claude-sonnet-5 |
admin-ai (Anthropic) | Client comms, legal docs, architecture (explicit) |
| Professional Comms | gemini-3.6-flash |
admin-ai (Google) | Client emails, professional messaging |
Admin-AI Virtual Keys
hermes-agent-v5 (Main — Sho'Nuff)
- Created: Jul 31, 2026
- Budget: $30/day
- Spend: $20.36 (as of Aug 6)
- Models: deepseek-v4-pro, deepseek-v4-flash, gemini-flash-latest, claude-sonnet-5, claude-haiku-4-5, gpt-5.6-luna, xai/grok-4.5 (+ claude-sonnet-4-6, claude-opus-4-8, claude-fable-5, gemini-2.5-flash/pro, grok-4.3, gpt-5, gpt-5-mini available)
Anita's Hermes Key
- Budget: $10/day
- Spend: $0.11 (as of Aug 6)
- Models: deepseek-v4-pro, deepseek-v4-flash, gemini-flash-latest, claude-sonnet-5, claude-haiku-4-5, gpt-5.6-luna, xai/grok-4.5 (+ same expansions as hermes-agent-v5)
Budget Targets
| Component | Daily est. |
|---|---|
| Conductor + Workhorse (ds-v4-pro) | ~$3.00 |
| Batch Workhorse (ds-v4-flash) | ~$0.50 |
| Lightweight (haiku-4-5) | ~$0.30 |
| Simple Workhorse (luna) | ~$0.50 |
| Auditors (luna + grok-4.5) | ~$0.80 |
| Critical (sonnet-5, sparingly) | ~$2.00 |
| Total | ~$7/day |
Key Decisions
- Jul 29, 2026: DeepSeek V4 Flash demoted from conductor to F1 fallback. Was hallucinating tool calls. V4 Pro promoted to primary conductor.
- Jul 30, 2026: LiteLLM key regenerated — hermes-agent-v3 created but config.yaml NOT updated. Hermes fell back to DeepSeek direct since Jul 30 19:25 UTC.
- Jul 31, 2026: Discovered stale key in config.yaml. Generated hermes-agent-v5 with same model list. Verified chat OK. Cleaned up stale keys (v3, v4, v4b).
- Aug 5, 2026: Admin-ai budget cap hit (~$20). Fallback chain exhausted 4 dead legs, landed on Anthropic direct. Burned $45 in 10 hours on claude-sonnet-5 via direct key. Anthropic key capped until Sep 1.
- Aug 6, 2026: Root cause of Aug 5 outage: 4 fallback legs dead simultaneously (admin-ai budget, DeepSeek balance $0, grok-4.6 404, Anthropic capped). Implemented two-key strategy (operational vs fallback). Rotated all 5 fallback keys. Added F5 (gpt-4.1-nano via OpenAI). Added haiku-4-5 and grok-4.5 to operational chain. Fixed grok-4.6 → grok-4.5. Synced Anita profile identically. Budget raised to $30.