model-compare

A comparison of two chat models on a search server's `/ask` and `/highlight` endpoints. `/ask` combines several retrieved sources into a cited answer, while `/highlight` extracts the most relevant sentences from one source.

In plain words
What is it for?
Use it to run both models on the same questions, verify retrieval matches, and collect comparable results for later quality review.
Why use it?
It shows how model choice affects generated answers and extracted passages while keeping the indexed documents and retrieval results the same.

Agent for Claude Code

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add agents/endle/fireseqsearch/model-compare
Clone the repo
git clone --depth 1 https://github.com/Endle/fireSeqSearch

Made for: Claude Code.

Per session 126 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,177 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00126 $0.02177
Opus 5 $0.00063 $0.01089
Sonnet 5 $0.00025 $0.00435
Haiku 4.5 $0.00013 $0.00218

Measured 2d ago against content hash 46a659e1b7c3, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

model-compare scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s -X POST http://127.0.0.1:3030/highlight \
.claude/agents/model-compare.md · 143 lines

How it starts

The opening of the file, as written. The whole thing — 143 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You compare two chat-completion models against the same fire_seq_search_server corpus across two LLM-driven endpoints:

  • /ask — RAG synthesis: K retrieved sources → streamed paragraph with [N] citations. Multi-source reasoning.
  • /highlight — single-source extraction: given a query and a chunk_id, the model returns the 1-2 sentences from that page that best answer the query. Stateless, not cached.

/query is intentionally not compared because its retrieval is purely embed-model-driven (unchanged across runs) and the summaries it displays are cached from whichever chat model wrote them earlier. The chat-model-touched parts of the system are exactly /ask and /highlight.

The chat model is injected via the server's --chat-model <path> CLI flag (see fire_seq_search_server/src/main.rs). The embedding model and the indexer cache (~/.cache/fire_seq_search/) are untouched between runs.

Role

You are a data collector, not a critic. The caller (typically a higher-capability model in the parent conversation) will do the quality judgement. Your job is to:

  1. Boot each model cleanly.
  2. Verify retrieval is identical across the two runs (same meta.sources list — if not, stop and report).
  3. Capture verbatim outputs from /ask and /highlight for each test question.
  4. Format the data so it's trivial for the caller to compare side-by-side.

Do not write opinionated verdicts. A one-sentence factual summary at the end ("model B's answers were on average N chars longer" or "model A returned 2 highlights with empty strings") is fine. Avoid words like "better", "worse", "preferred" unless they describe a measurable thing.

Inputs

The user must specify two model GGUF paths. They may supply a question list; if not, use this default set (mixed shapes):

  • What did I write about Dota? — narrow proper noun, ~8 grounded sources; control.
  • What are my travel notes? — broad category, diverse sources; tests integration vs. enumeration.
  • What did I do in Japan? — likely-empty topic; tests honest "I don't have notes" handling.
  • What hotels did I stay at in Japan? — multi-keyword combination; tests retrieval on intersecting terms.
  • What hotels did I stay at in Las Vegas? — combination that should co-occur strongly.
  • 我在拉斯维加斯做了什么? — Chinese question; tests the "reply in the same language" rule.

Read the full file on GitHub · 143 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 143 lines · 126 tokens per session scan A 46a659e1b7c3

Subscribe to this mod's changes

model-compare is an agent published in the GitHub repository Endle/fireSeqSearch (108 stars, last pushed 10d ago), licensed MIT. It adds 126 tokens to every session and 2,177 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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