Companies · Developer Tools

RuntimeSpring 2026Active

San Francisco · CA, USA · Developer Tools · founded 2026 · https://www.runtm.com/

Diligence memoA one-page analyst read on Runtime — recommendation, valuation, rhythm, risks.→
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Total raised · real
0
Rounds
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Latest step-up
Top 14%
Sector rank · raised
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Latest stage · inferred

Runtime: limited disclosed financing to assess.

Synthesized from the figures below est. — every claim rests on a number shown on this page.

Where it sits in Developer Tools

Runtime is one of 52 Developer Tools companies tracked from San Francisco, CA, USA, on record since 2026. By capital raised it ranks in the upper tier (ahead of 87% of sector peers), and in the upper tier by modeled valuation est..

Ranking is computed against this company's own sector cohort — reported capital is fact; valuation tiers are modeled.

AI analyst read est. — model-extracted from this company's public description, not a verified fact. 30%

operates a technology-led product inferred from public copy

Grounded in: “You are a venture analyst”

Build and run internal agents, without managing the infrastructure

Runtime (runtm.com) gives engineering teams control and visibility to enable anyone in their org to use coding agents securely. Eng leaders rolling out coding agents have no way to see what's happening, set boundaries, or safely let non-engineers use them. We provide sandboxed environments, session-level observability, and configurable guardrails so anyone on your team can ship with coding agents without breaking prod. We're live with fast-growing YC scaleups empowering their Engineers, PMs, designers, marketers, and ops to contribute to their codebase or build prod-grade zero-to-one apps.

B2BEngineering, Product and Designdevtools
Find Runtime online

As reported in public records reported — not modeled.

US
Jurisdiction
Amount raised vs valuation, by round

Solid bars are reported offering amounts reported; hatched bars are the modeled post-money valuation est. — both on one shared scale so you can read raise-vs-worth at each round directly. Use the toggles to overlay data labels and the niche-peer / market average value lines.

No round amounts on record to chart.

Financing ladder & sequence gaps

No staged rounds to sequence.

Modeled valuation trajectory
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Base estimate est.
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Conservative case
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Upside case
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Modeled post-money

Round size and date are reported; the stage label is inferred from round size. Valuation is modeled from stage benchmarks. Directional, not a quoted figure.

Not enough modeled valuation points to chart a trajectory.

Financing rhythm
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Avg between rounds
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Capital velocity
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On record since
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First round
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Rounds on file
How it compares to the market

Benchmarked against 52 companies in Developer Tools. Each bar is a median (the middle company, not an average — outliers don't skew it). Two yardsticks: real money raised (reported on Form D) and modeled value (our estimate est.). These are whole-sector medians across all stages, except the per-stage row.

Total raised — vs sector median (real $, all stages)
This company—
Sector median$8.5M
Modeled value — vs sector median (estimate, all stages)
This company—
Sector median$95.8M

Raised more than 87% of sector peers (real $). Modeled value above 87% of peers (estimate).

Full financing history

Stage is inferred from round size est., not reported on the filing — a round's dollar size maps to a bucket: Pre-Seed <$1.0M · Seed $1.0M–$4.0M · Series A $4.0M–$15M · Series B $15M–$40M · Series C $40M–$100M · Series D+ $100M–$400M · Growth/Late >$400M.

StageAmount · realAnnouncedPost-money · estValue · estConf.
No rounds recorded.
Intelligence
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Modeled next raise
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Modeled next size est.
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Last step-up
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Capital velocity

Predictive signals are modeled est. from this company's own cadence and step-up, plus sector benchmarks — directional, not advice. Peer set and a CSV export live in your analyst workspace.

Registry & provenance

Runtime is an official record sourced from the U.S. Securities and Exchange Commission (SEC). U.S. data is aggregated from SEC Form D filings.

United States
Country of record
US
Jurisdiction
Similar companies

Nearest neighbours across the whole database — matched on sector, stage and capital scale, and on shared operators (officers or directors named at both companies in public filings). A discovery shortlist, not a valuation cohort — verify before acting, the same way modeled figures are directional.

CompanySectorStageRaised · realValue · estWhy similar
ApoxyDeveloper Tools———same sector
AvalancheDeveloper Tools———same sector
AvenueDeveloper Tools———same sector
BlitzllamaDeveloper Tools———same sector
BouncerDeveloper Tools———same sector
Bubble LabDeveloper Tools———same sector
CakeworkDeveloper Tools———same sector
Chaos GeniusDeveloper Tools———same sector
Semantically similar

Matched by meaning, not labels — a local language model reads each company's name, sector and description and ranks the closest in that learned space. This catches look-alikes that cross sector boundaries; the structured list above explains its matches, this one trusts the text. Directional, like every modeled signal here.

CompanySectorStageValue · estMatch
Replicas
Run any coding agent harness in the cloud
———77%
Limrun
Extend cloud sandboxes with iOS, Android and more
Energy——75%
Conductor
Run a team of coding agents on your Mac
———75%
RunKit———74%
Freebuff
The 100% free coding agent
———74%
Compyle
The coding agent that actually collaborates with you
———74%
Million
Tools for agent verification
———74%
Tasklet
Agents that own the work
AI / ML——73%
Frequently asked
What does Runtime do and where is it based?
Runtime operates in the Developer Tools sector, based in San Francisco, CA, USA. Build and run internal agents, without managing the infrastructure
Explore related

See where Runtime sits in the wider market — its sector, location and stage cohorts, each with their own leaderboards and capital-flow timelines.

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