RapidFire AI
LLM & Generative AI · Artificial Intelligence
$4Mlatest round · Venture round · Mar 2024 · 2 yr ago
2backers · AI Fund, .406 Ventures
6team · US Form 5500 (plan participants) · Dec 2025 · -25% in a year
2022founded
Overview
Stop Guessing. Start Engineering AI Agent Outcomes with RapidFire AI. Balance accuracy, cost, latency, and trust with dozens to thousands of comparisons—on the same resources. Achieve engineered outcomes without the infrastructure bloat.
Funding and backers
Total raised
$4M
1 round on record
Latest round
$4M
Venture round · Mar 2024 · 2 yr ago
Team
6
US Form 5500 (plan participants) · Dec 2025 · -25% in a year
Backers
2
AI Fund, .406 Ventures
The money's age
Long since its last round
31 months since the last round · not hiring
Momentum
15/100
rising traction
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Mar 24
Launched on Hacker News Show HN: Shard-based scheduling for 100x more fine-tuning experiments on 4 GPUs
Sep 23, 2025
Launched Sep 23, 2025 RapidFire AI Launches Breakthrough Open-Source Engine for LLM Fine-Tuning and Post-Training · marketwatch.com
Mar 13, 2024
Raised a round Venture round $4M · SEC Form D
2022
Founded
Tractionpublic signals, read monthly
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Mar 2024 | $4M | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | RapidFire AI, Inc. | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Jack NorrisExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
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Visa sponsorship
1 ▼ 67%
H-1B filings in 12 months
$183k
Median offered salary
0
Open roles in United States
Who they sponsor
Software developers
1
In the register as RapidFire AI, Inc., Mountain View, CA (+2 more)
Other sponsors in the same field
Fastino 
Lapis 
Scorecard AI 
Vidoso
Alert me
US Department of Labor · latest filing Apr 23, 2026 · Visa details by country
Financials
Total raised
$4M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2024 | $4M | Details |
People
Jack Norris
Executive Officer, Director
John Schroeder
Director
Arun Kumar
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
AI FundVia a fund
.406 VenturesVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
RapidFire AI
Stop Guessing. Start Engineering AI Agent Outcomes. Balance accuracy, cost, latency, and trust with dozens to thousands of comparisons-on the same resources. Achieve engineered outcomes without the infrastructure bloat
Read more
Report
RapidFire AI
Stop Guessing. Start Engineering AI Agent Outcomes. Balance accuracy, cost, latency, and trust with dozens to thousands of comparisons-on the same resources. Achieve engineered outcomes without the infrastructure bloat
Read more
Report
Report
Feb 5, 2026 RapidFire AI Celebrates Winners Showcasing How to Build Better LLM Applications, Faster
RapidFire AI Celebrates Winners Showcasing How to Build Better LLM Applications, Faster
Read more
Report
Rapidfire AI Celebrates Winners Showcasing How To Build Better LLM Applications, Faster
Rapidfire AI Celebrates Winners Showcasing How To Build Better LLM Applications, Faster. EINPresswire/ -- RapidFire AI today announced the winners of the RapidFire AI 2026 Winter Competition on LLM Experimentation, an educational, hands-on competition des
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Report
20x Faster TRL Fine-tuning with RapidFire AI
We're on a journey to advance and democratize artificial intelligence through open source and open science.
Read more
Report
Report
RapidFire AI RAG: Hyperparallel Automation
RapidFire AI's Arun Kumar explains how hyperparallel experimentation and open source automation are transforming RAG and agentic AI development.
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Report
RapidFire AI RAG Democratises Enterprise RAG Optimisation
RapidFire AI has launched an open source toolkit that lets enterprises test multiple RAG configurations in parallel.
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Report
Nov 5, 2025 RapidFire AI Launches Open-Source RAG Experimentation Tool
RapidFire AI Launches Open-Source RAG Experimentation Tool
Read more
Report
Show more news
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Palo Alto
United States
HQ