Composer (now Composer by SoFi)
Founded 2020 (YC W21); AI-driven retail algorithmic-trading — composable strategies + LLM strategy builder. $14M Series A May-2022 (Greycroft + Y Combinator). Composer GPT + strategy-builder AI launched 2023.
Renamed · Verified 2026-10-28 · fresh as of 2026-10-28 · 20 cited facts, 0 with a third-party source · 1 recorded change · Suggest a correction
At a glance
- Type
- AI-driven retail algorithmic-trading platform vendor fix
- Tier
- T3
- Created
- 2020 (founded) vendor fix
- Latest release
- not applicable — wrong section fix
- License
- not applicable — not OSS fix
- GitHub
- not applicable — no GitHub repo fix
- Pricing
- Starter $0; Advanced $10/mo; Pro $32/mo billed yearly ($384/yr); Business custom; zero commissions vendor fix
- Funding
- $14M Series A May-2022 (Greycroft + YC) vendor fix
- Freshness
- 2026-10-28 fix
- Layer
- agent-infra repo fix
- Licensing
- commercial vendor fix
When to use
Optimised for: retail AI-driven algorithmic trading
Anti-fit: not applicable — wrong section
Pros & cons
Pros
YC-backed; Greycroft-backed; AI strategy-builder lowers barrier to algo trading.
Cons
Retail-focused; regulatory + reliability constraints limit growth; $300M AUM is small vs incumbents.
Claims & capabilities
$14M Series A May-2022 (Greycroft + YC); >$300M assets under management; Composer GPT AI 2023
Technical surface
- API surface
- not applicable — wrong section
- Backend storage
- not applicable — wrong section
- Deployment
- not applicable — wrong section
- Embedding model
- not applicable — not a memory product
- Multi-tenancy
- not applicable — wrong section
- MCP
- not applicable — wrong section
- A2A
- not applicable — wrong section
- OpenTelemetry
- not applicable — wrong section
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- Protect AI T2
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Sources (19 cited facts, 0 third-party)
Each fact links to the page it came from; the badge says who published it (how to read sources).
- What it is AI-driven retail algorithmic-trading platform vendor
- What it does & what's distinct Founded 2020 (YC W21); AI-driven retail algorithmic-trading — composable strategies + LL… vendor
- Claims / benefits $14M Series A May-2022 (Greycroft + YC); >$300M assets under management; Composer GPT AI… vendor
- Created 2020 (founded) vendor
- Funding $14M Series A May-2022 (Greycroft + YC) vendor
- Customers / scale Retail investors + financial advisors vendor
- Pricing Starter $0; Advanced $10/mo; Pro $32/mo billed yearly ($384/yr); Business custom; zero c… vendor
- Compliance FINRA / SEC RIA vendor
- HQ San Francisco vendor
- Founders / pedigree Ben Rollert (CEO); Tony Berkman; Marcello Salinas vendor
- Optimised for retail AI-driven algorithmic trading vendor
- Pros YC-backed; Greycroft-backed; AI strategy-builder lowers barrier to algo trading. vendor
- Cons Retail-focused; regulatory + reliability constraints limit growth; $300M AUM is small vs… vendor
- Project & sources www.composer.trade/ vendor
- architecture-deployment-locus cloud vendor
- licensing-bucket commercial vendor
- positioning-platform-vs-product product vendor
- taxonomy-three-layer-rollup agent-infra repo
- sdk-languages rest vendor
What changed
Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)