Claude Opus 5.5 (effort default (no --effort flag) · thinking on) on Extract term, renewal, notice, liability cap and governing law from service contracts with amendments
AClaude Opus 5.5default · thinking on · Claude Code 2.1.299 (headless -p) · cloud · 2026-10-20 · by @bobsiopener
- Estimated cost
- $0.13
- Wall time
- 18s
- Human step-ins
- 0
- Outcome
- Pass
Compare with other models on this task →
Summary
Exact prompt
# Extract key terms from a stack of service contracts Input: `contracts/` holds 5-8 plain-text service agreements (synthetic). Some end with one or more amendments. For each contract extract: - term_months: the initial term in months (a term stated in years counts 12 months per year). - auto_renew: true if the agreement renews automatically unless notice is given, false otherwise. - notice_days: days of notice needed to terminate or prevent renewal. - liability_cap_usd: the liability cap in US dollars. When the cap is defined by fees (for example "fees paid in the twelve (12) months preceding the claim"), compute it as monthly_fee_usd x that number of months. - governing_law: the state named in the governing-law clause, as written (e.g. "Delaware"). - Amendments at the end of a contract override the original clause they amend; apply them in order. - Numbers may be written in words, in digits, or both (e.g. "sixty (60) days"). Write `out/contracts.json`: `{"<contract file name without .txt>": {"term_months": <int>, "auto_renew": <bool>, "notice_days": <int>, "liability_cap_usd": <number>, "governing_law": "<state>"}, ...}`. ## How this run works - Work on your own: nobody will answer questions in this task, and writing to `ask/` counts against the run. - Write only under `out/`. Create `out/` if it is missing. Inputs are synthetic; don't fetch anything from the network. - Scoring is partial credit: each listed check is pass/fail, and the score is the share passed. Numbers are compared to within 0.005 unless the task says otherwise.
Read 5-8 synthetic service agreements and extract five commercial terms from each. Numbers appear as words, digits or both, some liability caps are defined as a number of months of fees, and signed amendments at the end override earlier clauses. Distractors include other day counts, percentages and a second state named in the notices clause. Original benchmark task written for usecaserank.com (not based on a specific public post). Headless, offline run on a reproducible fixture. Each run's notes say how its cost was measured (estimates are marked).
Success criteria: term_months auto_renew notice_days liability_cap governing_law amendments_applied every_contract_complete
Setup notes: Batch 16 case r04-contract-clauses (offline, synthetic inputs, seed 2318811925). Autonomous case: no stand-in user and no step-ins expected; any file the solver wrote to ask/ is counted as a measured intervention (0) and blocks a pass. Prompt = TASK.md verbatim. Hidden key kept outside the solver's work dir. Scored with the case's scorer (python3 score.py WORKDIR KEYDIR, absolute paths); pass = every check true and no ask/ files. Tools: Read/Write/Edit/Glob/Grep/Bash, web disabled. Single run, no retries. 1-min load average at scoring 0.39 (8 cores). Claude Code's own reported cost for claude-opus-5.5: $0.1261. Score: 7/7. Cost is an ESTIMATE: measured tokens x pricing.json list price (Claude Pro subscription, nothing billed); input_tokens include cache reads and writes. Single run.
Estimated cost List-price estimate; not actually billed.
Metrics
- Estimated cost
- $0.13
- Wall time
- 18s
- Human step-ins
- 0
- Turns
- 3
| Model | Input tok | Output tok | Cost |
|---|---|---|---|
| AClaude Opus 5.5anthropic/claude-opus-5.5effort default (no --effort flag) · thinking on | 61,949 | 1,681 | $0.13 |
Reproduce this run
- Use the use case prompt on the use case page.
- Same setup: Claude Opus 5.5 (anthropic/claude-opus-5.5, effort default (no --effort flag) · thinking on) via
Claude Code 2.1.299 (headless -p), cloud. - It counts as a success only if it meets every success criterion: term_months auto_renew notice_days liability_cap governing_law amendments_applied every_contract_complete
- Log model, tokens, wall time, human step-ins and the evidence log, then submit it as a reproduction. A different model? Submit a head-to-head rerun.
How runs are scored: Methodology.
Was this useful?
Automated checks
Trust 80% comes from these checks (how Trust % works).
- Run date is not in the future : passed
- Model is in the dated pricing table : passed
- Cost recomputed from tokens matches : passed
- Cached tokens are consistent : passed
- Output throughput is plausible : passed
- Autonomy matches step-ins : passed
- Step-ins do not exceed turns : passed
- Retries agree with first-try result : passed
- Evidence log SHA-256 matches : passed
- Evidence log is substantial : passed
Evidence log
[
{
"duration_api_ms": 17491,
"stop_reason": "end_turn",
"session_id": "[REDACTED]",
"total_cost_usd": 0.1260996,
"usage": {
"input_tokens": 6,
"cache_creation_input_tokens": 10265,
"cache_read_input_tokens": 51678,
"output_tokens": 1681,
"output_tokens_details": {
"thinking_tokens": 215
},
"server_tool_use": {
"web_search_requests": 0,
"web_fetch_requests": 0
},
"service_tier": "standard",
"cache_creation": {
"ephemeral_1h_input_tokens": 10265,
"ephemeral_5m_input_tokens": 0
},
"inference_geo": "global",
"iterations": [
{
"input_tokens": 2,
"output_tokens": 690,
"cache_read_input_tokens": 21537,
"cache_creation_input_tokens": 874,
"cache_creation": {
"ephemeral_5m_input_tokens": 0,
"ephemeral_1h_input_tokens": 874
},
"type": "message"
}
],
"speed": "standard",
"fallback_credit": null
},
"modelUsage": {
"claude-opus-5-5": {
"inputTokens": 6,
"outputTokens": 1681,
"cacheReadInputTokens": 51678,
"cacheCreationInputTokens": 10265,
"webSearchRequests": 0,
"costUSD": 0.1260996,
"contextWindow": 1000000,
"maxOutputTokens": 128000,
"thinkingTokens": 215,
"canonicalModel": "claude-opus-5-5",
"provider": "firstParty",
"costBasis": "list"
}
},
"permission_denials": [],
"terminal_reason": "completed",
"fast_mode_state": "off",
"fast_mode_disabled_reason": "sdk_opt_in_required",
"subagent_stats": {
"spawned": 0,
"requested": {
"background": 0,
"foreground": 0,
"unset": 0
},
"started_in_background": 0,
"max_depth": 0,
"spawned_by_subagents": 0,
"completed": 0,
"failed": 0,
"killed": {
"parent": 0,
"user": 0,
"system": 0
},
"refused": {
"depth_limit": 0,
"concurrency_limit": 0,
"budget": 0
},
"by_type": {}
},
"safety_stops": 0,
"is_error": false,
"num_turns": 3,
"subtype": "success",
"api_error_status": null,
"result": "I read all 7 contracts and wrote the terms to `out/contracts.json`. I checked that the file parses as JSON and has all 7 entries. I filled in the values by reading each contract myself, not with a parsing script.\n\n| Contract | Term (months) | Auto-renew | Notice (days) | Liability cap (USD) | Governing law |\n|---|---|---|---|---|---|\n| MSA-3541-A | 18 | false | 15 | 24,000.00 | Illinois |\n| MSA-5219-D | 36 | true | 15 | 12,500.00 | Colorado |\n| MSA-6303-C | 24 | true | 45 | 250,000 | California |\n| MSA-7791-B | 18 | false | 60 | 37,500.75 | Colorado |\n| MSA-9062-F | 36 | true | 30 | 50,000 | Washington |\n| MSA-9252-E | 12 | true | 30 | 100,000 | New York |\n| MSA-9368-G | 24 | false | 90 | 50,000 | Delaware |\n\nHow amendments and fee-based caps were handled:\n- **MSA-3541-A:** The amendment turns off auto-renewal. It says nothing about the notice period, so I kept the original 15 days. That's a judgement call: with no renewal left, you could argue the notice field no longer applies.\n- **MSA-5219-D:** Two amendments change the term: first to 12 months, then to thirty-six. Applying them in order gives 36.\n- **MSA-9062-F and MSA-9368-G:** Amendments change the governing law to Washington and Delaware.\n- **Fee-based caps:** MSA-3541-A is $8,000 \u00d7 3 months. MSA-5219-D is $12,500 \u00d7 1 month. MSA-7791-B is $12,500.25 \u00d7 3 months.\n- **Year-based terms:** \"Three years\" became 36 months and \"one year\" became 12.\n- **No auto-renewal (MSA-7791-B and MSA-9368-G):** The notice period is the one for terminating for convenience.",
"ttft_ms": 3969,
"type": "result",
"duration_ms": 17857,
"uuid": "[REDACTED]",
"ttft_stream_ms": 2282,
"time_to_request_ms": 254,
"first_content_frame_ms": 2282,
"queued_turn_count": 0,
"result_index": 0
}
]