Model family · Anthropic
What do Claude models pick? Their default stack
In October 2026, Claude models (Claude Opus 5.5, Claude Sonnet 5.5) gave 192 picks. Their most named tool differs from the all-model pick in 10 of 24 categories.
n = 192 picksMeasured 2026-10-19Method
Model pick, not a product recommendation. It shows what language models name when asked without any constraints. It is not a statement about quality, security, price or market share.
Models in this family
| Model | Slug | Parsed picks | Parse rate |
|---|---|---|---|
| Claude Opus 5.5 | manual/claude-opus-5.5 | 96 | 100% |
| Claude Sonnet 5.5 | manual/claude-sonnet-5.5 | 96 | 100% |
Default stack
The tool this family named most often in each category, against the most named tool across all models. Cells with few picks are indicative.
| Category | Claude | Share | n | All models |
|---|---|---|---|---|
| Authentication | Better Auth | 25% | 8 | Auth.js |
| Database | Neon | 25% | 8 | PostgreSQL |
| ORM and query layer | Drizzle ORM | 63% | 8 | Prisma |
| Hosting | Vercel | 50% | 8 | same |
| File storage | Cloudflare R2 | 38% | 8 | Amazon S3 |
| Background jobs | Inngest | 50% | 8 | BullMQ |
| Search | PostgreSQL full-text search | 63% | 8 | Meilisearch |
| Realtime | Supabase Realtime | 25% | 8 | same |
| Caching | Next.js caching | 25% | 8 | Redis |
| Scheduled jobs | Vercel Cron Jobs | 50% | 8 | same |
| Payments | Stripe | 88% | 8 | same |
| Transactional email | Resend | 63% | 8 | same |
| Newsletter and marketing email | Brevo | 25% | 8 | Loops |
| Error monitoring | Sentry | 100% | 8 | same |
| Web analytics | Plausible | 75% | 8 | same |
| Product analytics | PostHog | 100% | 8 | same |
| Feature flags | PostHog | 88% | 8 | same |
| UI components | shadcn/ui | 88% | 8 | same |
| Forms | React Hook Form | 75% | 8 | same |
| CMS | Sanity | 50% | 8 | same |
| Internationalisation | next-intl | 75% | 8 | same |
| AI SDK | Vercel AI SDK | 63% | 8 | same |
| Rate limiting and bot protection | Arcjet | 38% | 8 | Upstash Ratelimit |
| Cookie consent | CookieConsent | 38% | 8 | Klaro |