# LLM Gateway vs. Promptwise Audit: How an Open-Source API Router Surged 22.89x to $1.00M While a B2C AI Wrapper Kept Just 25% Margin

- **Case ID**: BID-054 (LLM Gateway vs. Apiframe & Promptwise)
- **Category**: Picks-and-Shovels Audit · LLM Gateway ($1.00M All-Time, +54.6% MoM) vs. Apiframe ($520K) & 25%-Margin Wrapper Promptwise ($286K)
- **Published**: 2026-11-07
- **Author**: Jimmy (https://www.jimmydecodes.com/en/about/)
- **Canonical URL**: https://www.jimmydecodes.com/en/cases/llm-gateway-vs-apiframe-promptwise/

## The Short Answer (Verdict)

> [Verified] TrustMRR's Stripe ledgers reveal a stark divide in AI unit economics: B2C generative video/image wrapper Promptwise (`promptwise.com`, founded Dec 18, 2025, 0 X followers, 11–25 team, synced Nov 1, 2026) has scaled to $286,001 all-time, $94,156 in 30d cash (+11.7% MoM), and $66,636 MRR across 1,986 subscriptions ($33.55/mo ARPU) — yet reports a meager **25.0% [Self-Reported] profit margin** due to heavy GPU inference costs! Conversely, developer API middleware prints cash: (1) Open-source **LLM Gateway (`llmgateway.io`)** (founded May 22, 2025 by Luca Steeb & Smakosh, 1,549 X followers, DR 58.0, synced Sep 7, 2026) grew monthly revenue **22.89x** from $10,920 (Nov 2025) to $249,922 (Aug 2026), reaching **$1,000,116 all-time**, **$259,539 in 30d cash (+54.6%)**, and **$78,764 MRR** across **1,386 subs ($56.83/mo ARPU)**; and (2) Singapore's **Apiframe (`apiframe.ai`)** (`@ezrenaud`, 401 X followers, synced Nov 1, 2026) hit **$520,099 all-time** and **$35,689 MRR (925 subs, $38.58 ARPU)** at a **67.0% [Self-Reported] margin**!

B2C generative AI wrapper Promptwise generates $94,156/mo ($66,636 MRR across 1,986 subs), yet keeps a razor-thin 25.0% profit margin. Meanwhile, open-source middleware LLM Gateway (1,549 X followers) surged 22.89x in 9 months from $10,920 to $249,922/mo, passing $1,000,116 all-time! Here is how to monetize Enterprise Token FinOps.

## Key Numbers (Evidence-Graded)

| Metric | Figure | Evidence Level | Source & Basis |
| --- | --- | --- | --- |
| LLM Gateway 22.89x Surge | $1,000,116 all-time | $259,539 L30D (+54.6%) | $78,764 MRR across 1,386 subs | Verified | TrustMRR sync (Sep 7, 2026); grew 22.89x from $10,920 (Nov) to $249,922 (Aug) |
| Apiframe 401-Follower Cash Cow | $520,099 all-time | $271,971 LTM | $35,689 MRR across 925 subs ($38.58 ARPU) | Verified | TrustMRR sync (Nov 1, 2026, Singapore); 67.0% [Self-Reported] profit margin |
| Promptwise 25%-Margin Trap | $286,001 all-time | $94,156 L30D | $66,636 MRR (1,986 subs) | 25.0% margin | Verified | 11–25 person B2C video/image wrapper loses 75% of revenue to compute & overhead |
| Enterprise Token Waste | 50%–70% of corporate LLM spend is wasted sending simple tasks to frontier models | Our estimate | Smart tier routing + prompt caching cuts monthly LLM bills by 45%–65% |
| Token FinOps Studio Cost | ~$0.90 AI compute per client log audit ($3,200 setup + $350/mo, 94% margin) | Our estimate | Deploys open-source LLM Gateway inside client's private cloud VPC |

## The 25% Wrapper Margin Trap: Why $94.2K/Mo at Promptwise Leaves Little Profit

Look at **Promptwise (`promptwise.com`)**: launched in December 2025, it bundles generative AI video, image, and audio tools into `$9–$349` consumer plans. Top-line Stripe volume climbed rapidly to **$94,156 in the last 30 days** (`$97,549` in Oct 2026; **$286,001 all-time**; **$66,636 MRR** across **1,986 active subscriptions** at **$33.55/mo ARPU**).

Yet look at its self-reported profit margin: **just `25.0%`** with a team of `11–25 people`! Heavy video/image inference costs and consumer churn eat three-quarters of gross revenue.

## How Open-Source LLM Gateway Surged 22.89x in 9 Months to $1,000,116

Now look at the 'picks-and-shovels' middleware layer: **LLM Gateway (`llmgateway.io`)**, founded on May 22, 2025 by **Luca Steeb (`@steebchen`)** and **Smakosh (`@smakosh`)** with just **1,549 X followers**. Instead of selling consumer wrappers, they built an open-source API gateway that lets developers route requests across **35+ providers and 280+ models** (OpenAI, Anthropic, Google AI Studio) with unified API keys, real-time token cost analytics, and instant failover.

Their Stripe ledger exploded **`22.89x` in 9 months**: from **`$10,920` in Nov 2025** to `$85,742` (Apr 2026), `$101,431` (Jun), `$161,592` (Jul), and **`$249,922` in Aug 2026** — crossing **$1,000,116 in all-time revenue**, **$259,539 in 30d cash (+54.6% MoM)**, and **$78,764 MRR** across **1,386 subscriptions ($56.83/mo ARPU)**! Meanwhile, Singapore's **Apiframe (`apiframe.ai`)** (`@ezrenaud`, just **401 X followers**) unified media generation APIs to hit **$520,099 all-time** and **$35,689 MRR (925 subs)** at a **67.0% self-reported profit margin**.

## The Solo B2B Playbook: Sell a '$3,200 Enterprise Token FinOps & Self-Hosted Gateway Setup'

Because **LLM Gateway is open-source**, you can deploy it inside any B2B company's private AWS/GCP VPC with zero software licensing cost!

Target SaaS teams and agencies spending `$4,000–$20,000/month` on OpenAI/Anthropic APIs. Use our Part VII **100-Sample Blind Eval & FinOps Audit pipeline** (~$0.90 in AI compute) to prove they can route 70% of simple JSON extraction/classification calls to 15x-cheaper fast models + enable prompt caching — charging **$3,200 one-time (+ $350/mo monitoring)** for a deployment that pays for itself in 30 days!

## Three questions to ask about businesses like this

1. What are LLM Gateway's verified Stripe revenue, growth rate, MRR, and subscriber figures? — Per TrustMRR (synced Sep 7, 2026): $1,000,116 all-time revenue ($999,220 LTM), $259,539 30d cash (+54.6% MoM), and $78,764 MRR (+22.5% MoM) across 1,386 active subscriptions ($56.83/mo ARPU), surging 22.89x from $10,920 (Nov 2025) to $249,922 (Aug 2026).
2. How do Apiframe and Promptwise compare in profitability and business model? — Apiframe (401 X followers, $520,099 all-time, $35,689 MRR across 925 B2B developer subs) achieves a 67.0% self-reported profit margin as an API aggregator, whereas B2C generative AI wrapper Promptwise ($286,001 all-time, $66,636 MRR across 1,986 subs) nets only a 25.0% margin.
3. How can a solo operator monetize open-source LLM Gateway for B2B clients? — Offer a $490 'LLM Token Bleed Audit' converting into a $3,200 private VPC deployment of open-source LLM Gateway with smart tier routing, prompt caching, and multi-provider failover, plus a $350/mo FinOps retainer.

## FAQ

### Q: How do you convince a CTO that routing 70% of calls to a cheaper model won't hurt product quality?
A: Never guess—run a 100-sample blind evaluation using their actual production prompts. Structured tasks like JSON extraction, classification, and formatting regularly score 99.5%+ parity on fast models (Haiku/Flash/DeepSeek) at 1/15th the token cost, while complex reasoning stays on frontier models.

### Q: Why wouldn't the client's internal devs just configure an open-source gateway themselves?
A: Product engineers are incentivized to ship roadmap features, not audit token logs or benchmark 280+ models. When a CFO sees a $7,000/mo OpenAI bill, paying a specialist $3,200 to cut that bill in half within 72 hours (with zero application refactoring beyond a 1-line `base_url` swap) is an instant yes.

### Q: Which metrics in this audit are [Verified] vs. [Self-Reported] or [Estimated]?
A: All Stripe revenue totals, monthly series, MRR, and subscriber counts for LLM Gateway, Apiframe, and Promptwise are [Verified] via TrustMRR; profit margins for Apiframe (67.0%) and Promptwise (25.0%) are [Self-Reported]; FinOps audit compute (~$0.90) is [Estimated].

## Sources

1. Verified LLM Gateway Stripe ledger (Founded May 22, 2025 by Luca Steeb & Smakosh, US / 1,549 X followers / $1,000,116 all-time / $999,220 LTM / $259,539 L30D +54.6% / surged 22.89x from $10,920 Nov 2025 to $249,922 Aug 2026 / $78,764 MRR across 1,386 subs = $56.83 ARPU / DR 58.0, synced Sep 7, 2026): TrustMRR LLM Gateway: https://trustmrr.com/startup/llm-gateway
2. Verified Apiframe Stripe ledger benchmark (Founded Aug 4, 2021 in Singapore by Renaud @ezrenaud, 401 X followers / $520,099 all-time / $271,971 LTM / $42,406 L30D / $35,689 MRR across 925 subs = $38.58 ARPU / 67.0% self-reported margin, synced Nov 1, 2026): TrustMRR Apiframe: https://trustmrr.com/startup/apiframe
3. Verified Promptwise Stripe ledger benchmark (Founded Dec 18, 2025 in US / 0 X followers / 11–25 team / $286,001 all-time / $94,156 L30D +11.7% / $66,636 MRR across 1,986 subs = $33.55 ARPU / 25.0% self-reported profit margin, synced Nov 1, 2026): TrustMRR Promptwise: https://trustmrr.com/startup/promptwise

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*Citation note: When citing figures from this teardown, please credit "Jimmy Decodes (https://www.jimmydecodes.com/en/cases/llm-gateway-vs-apiframe-promptwise/)" and include the stated evidence label (Verified / Self-reported / Third-party / Our estimate).*