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  1. Home
  2. Models
  3. GPT-5.1-Codex
  4. Advanced Investment Memo (IC Memo)

See how GPT-5.1-Codex compares on this challenge:

  • GPT-5.1-Codex vs Claude Sonnet 4.6
  • GPT-5.1-Codex vs Gemini 3.1 Pro Preview
  • GPT-5.1-Codex vs Z.ai: GLM 5

4 models have responded to the "Advanced Investment Memo (IC Memo)" challenge. Compare their approaches side-by-side on RIVAL. This response is part of RIVAL's open dataset of 5,600+ AI model responses.

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Back to GPT-5.1-Codex

Advanced Investment Memo (IC Memo)

Gpt 5 1 Codex's response to the 'Advanced Investment Memo (IC Memo)' challenge.

GPT-5.1-Codex
February 8, 2026
Text

?
Prompt

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B spend management + AP automation SaaS for mid-market enterprises. Use only the information below. Do NOT browse the web. This is a fictional exercise, not investment advice. DATA - Current share price: $46 - Shares outstanding (basic): 190m - Net cash: $1.4B - FY2023 revenue: $560m - FY2024 revenue: $680m - FY2025 revenue: $820m - FY2025 gross margin: 78% - FY2025 operating margin: 18% - Revenue mix: 92% subscription, 8% services (services GM ~25%, subscription GM ~82%) - Customer KPIs: 6,200 customers; ARPA ~$132k; logo churn 6%/yr; gross retention 94%; NRR 123% - CAC payback: 18 months; S&M as % of revenue: 34% in FY2025 - Concentration: top 10 customers = 16% of revenue; top 1 = 3% - D&A: 2.5% of revenue - Capex: 3.0% of revenue - Net working capital investment: 1.0% of incremental revenue - Cash tax rate: 23% VALUATION ASSUMPTIONS (build 2026-2030 forecasts) Base case: - Revenue growth: 21%, 18%, 15%, 13%, 12% - Gross margin: 79%, 80%, 80%, 81%, 81% - Operating margin: 20%, 22%, 24%, 25%, 26% - WACC: 10%, terminal growth: 3% Bull case: - Revenue growth: 25%, 21%, 18%, 15%, 13% - Gross margin: 80%, 81%, 82%, 82%, 83% - Operating margin: 21%, 24%, 26%, 28%, 29% - WACC: 9%, terminal growth: 4% Bear case: - Revenue growth: 16%, 13%, 11%, 10%, 9% - Gross margin: 78%, 78%, 79%, 79%, 80% - Operating margin: 17%, 18%, 19%, 20%, 21% - WACC: 12%, terminal growth: 2% COMPS (fictional peer set) - Peer A: EV/NTM Revenue 9.0x, EV/NTM EBIT 35x - Peer B: EV/NTM Revenue 7.0x, EV/NTM EBIT 28x - Peer C: EV/NTM Revenue 11.0x, EV/NTM EBIT 42x Use the median multiple as your comps anchor, but explain adjustments. TASK Write a pro-level IC memo with: 1) Recommendation (Long/Short/Pass) + 12-month PT range + 2-sentence thesis 2) Business + why it wins / why now 3) KPI quality check (NRR, churn, CAC payback, concentration) and what could be wrong 4) Base/Bull/Bear model: show a compact table for 2026-2030 revenue, EBIT, and unlevered FCF; compute DCF EV, equity value, and implied value per share for each scenario (show key steps, not every line) 5) Comps cross-check: implied EV and per-share range using median multiples 6) Catalysts (3), Risks (5), and "what would change my mind" (3 falsifiable triggers) 7) 10 diligence questions for management Keep the memo under ~1,200 words, excluding tables.

GPT-5.1-Codex
Response

gpt-5.1-codex logo
GPT-5.1-CodexAdvanced Investment Memo (IC Memo)
gpt-5.1-codex logo
GPT-5.1-Codex

LedgerLift (LLLT) – Investment Committee Memo

1) Recommendation

Call: Short
12‑month price target range: $30–$40
Two-sentence thesis: LedgerLift’s premium multiple (10x NTM EV/rev implied by spot) is predicated on sustaining >20% top-line growth, yet leading indicators—moderating NRR, heavy S&M spend, and mid-market saturation—point to a revenue glide path toward mid-teens with limited operating leverage. Even giving credit for an upside execution case, intrinsic value caps in the low-$40s while downside to high-teens/low-$20s sits squarely in play, yielding an attractive short skew.


2) Business Overview & Why It Wins / Why Now

LedgerLift provides cloud-based spend management and AP automation for mid-market enterprises, monetizing primarily via subscription (92% of revenue; ~82% GM) with a small services component. The platform’s stickiness stems from integrated workflows across procurement, AP, and expense plus an ecosystem of bank/payments partners, delivering 123% NRR through robust seat expansion and payments volume up-sell.

Historically the company won on usability and breadth vs. legacy ERPs, but the competitive set (expense/reporting suites, horizontal ERPs pushing down-market, and fintech-led payables tools) has narrowed the UX advantage. Now matters because growth is already slowing from 30%+ to a guided 20% by FY25, while the stock still discounts hyper-growth economics and best-in-class margins that remain unproven (S&M 34% of revenue, CAC payback 18 months).


3) KPI Quality Check

KPICommentWhat Could Be Wrong
NRR 123% / gross retention 94%Healthy but already down from mid-120s peers; implies net expansion largely from payments attach.Payments-driven expansion is macro-sensitive; as transaction volumes normalize, NRR could migrate toward teens, compressing growth.
Advanced Investment Memo (IC Memo)

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About GPT-5.1-Codex

Capabilities

ConversationReasoningCode GenerationAnalysis

Categories

TextCodeMultimodal

Specifications

Provider
Openai
Released
2025-11-13
Size
XLARGE
Context
400,000 tokens

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