Tools · Startup & strategy
Five Forces
Describe an industry — get a Porter's Five Forces read with strategic implications.
How it works
Corpus-grounded (Porter via the strategy cluster). Rates all five forces (rivalry, supplier power, buyer power, substitutes, new entrants) high/medium/low with their drivers + an assessment, synthesizes overall industry attractiveness, and draws the strategic implications.
You bring
{ industry, cluster? }
You get
{ industry_summary, forces[]{force, intensity, drivers[], assessment}, overall_attractiveness, strategic_implications[], riskiest_assumptions[], grounded_in, provenance }
Use it for
- →Strategy-guide reader: judge whether an industry is worth competing in
- →Find the strongest force and the move to defend against it
- →Pressure-test 'this is a great market' with the five forces
See it work
example outputIndustry: the US direct-to-consumer meal-kit subscription market.
Porter's Five Forces — US DTC meal-kit subscriptions
Industry: Direct-to-consumer meal-kit subscriptions in the US.
Competitive Rivalry — High
- Drivers: several well-funded players · a near-identical core offer · heavy discounting to acquire · easy switching.
- Assessment: The defining force. Competition runs on promotional pricing, which compresses margins industry-wide.
Supplier Power — Medium
- Drivers: commodity produce/protein (low power) but specialized cold-chain packaging + third-party fulfillment (higher power).
- Assessment: Inputs are mostly cheap; the logistics partners hold the real leverage at small scale.
Buyer Power — High
- Drivers: zero switching cost · a cancel-anytime norm · grocery and restaurants as ready substitutes · full price transparency.
- Assessment: Subscribers churn freely and chase the next first-box discount — the structural source of the retention problem.
Threat of Substitutes — High
- Drivers: grocery delivery · prepared-meal delivery · just cooking · restaurant takeout.
- Assessment: The job ("feed me without planning") has many cheaper or more flexible alternatives.
Threat of New Entrants — Medium
- Drivers: a low concept barrier, but cold-chain operations + CAC are real capital barriers · grocers can extend into the category.
- Assessment: Easy to start, expensive to operate at scale; the larger entrant risk is adjacent grocery brands.
Overall attractiveness
Structurally unattractive. Four of the five forces lean against margin — rivalry, buyers, and substitutes are all high. Money is made by escaping the commodity trap, not by competing inside it.
Strategic implications
- Compete on retention economics, not acquisition discounts — high buyer power punishes discount-led growth.
- Differentiate on a defensible niche (a dietary/medical segment such as diabetic or renal diets) to blunt substitutes and soften rivalry.
- Lock in a logistics cost advantage early, since suppliers' real power sits in fulfillment.
Riskiest assumptions
- That no entrant has cracked a structurally lower CAC channel.
- That a medical-diet niche is large enough to build a business on.
Grounded in: Porter, Competitive Strategy; Magretta, Understanding Michael Porter — strategy corpus.
Run it now
Run a Five Forces analysis
Assess industry attractiveness with Porter's Five Forces — each force rated with its drivers, the overall read, and the strategic implications.
Prefer code? Call it over the API or hand it to your AI agent via MCP — POST /api/bicycle/five-forces · analyze_five_forces. API & agent access →