DEV Community: Marcene The latest articles on DEV Community by Marcene (@marcene_272af51cf7ba004c3). https://dev.to/marcene_272af51cf7ba004c3 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3911063%2F735eae21-5585-4fea-9b78-f2aae03a3cd2.png DEV Community: Marcene https://dev.to/marcene_272af51cf7ba004c3 en I built an AI API aggregator that saves developers 60-85% on model costs Marcene Mon, 04 May 2026 16:48:04 +0000 https://dev.to/marcene_272af51cf7ba004c3/i-built-an-ai-api-aggregator-that-saves-developers-60-85-on-model-costs-3olo https://dev.to/marcene_272af51cf7ba004c3/i-built-an-ai-api-aggregator-that-saves-developers-60-85-on-model-costs-3olo <p>I built an AI API aggregator that saves developers 60-85% on model costs</p> <h2> The Problem </h2> <p>I'm a solo developer who uses AI models daily — GPT-4o for complex reasoning, Claude for long documents, DeepSeek for coding, and MiniMax for image generation.</p> <p>Managing 5 different API accounts was painful:</p> <ul> <li>5 different billing cycles</li> <li>5 different SDKs</li> <li>5 different rate limits to track</li> </ul> <p>And the costs? OpenAI charges $2.50 per 1M input tokens for GPT-4o. Anthropic charges $3.00 for Claude Sonnet. If you use both regularly, your monthly bill hits triple digits fast.</p> <h2> The Solution: Celuxe </h2> <p>I built <a href="https://celuxe.shop?ref=devto" rel="noopener noreferrer">Celuxe</a> — a unified API that aggregates 200+ AI models behind a single OpenAI-compatible endpoint.</p> <p><strong>Replace your <code>OPENAI_BASE_URL</code> and keep your existing code.</strong></p> <p>That's it. No new SDK. No migration. One line change.</p> <h2> Real Cost Comparison </h2> <p>Here's what I'm actually paying vs official pricing:</p> <div class="table-wrapper-paragraph"><table> <thead> <tr> <th>Model</th> <th>Official (per 1M tokens)</th> <th>Celuxe (per 1M tokens)</th> <th>Savings</th> </tr> </thead> <tbody> <tr> <td>GPT-4o</td> <td>$2.50 / $10.00</td> <td>$0.80 / $3.20</td> <td><strong>68%</strong></td> </tr> <tr> <td>Claude 3.5 Sonnet</td> <td>$3.00 / $15.00</td> <td>$1.20 / $6.00</td> <td><strong>60%</strong></td> </tr> <tr> <td>DeepSeek V3</td> <td>$0.27 / $1.10</td> <td>$0.14 / $0.55</td> <td><strong>50%</strong></td> </tr> <tr> <td>Gemini 2.0 Flash</td> <td>$0.15 / $0.60</td> <td>$0.06 / $0.24</td> <td><strong>60%</strong></td> </tr> <tr> <td>MiniMax M2.7</td> <td>$0.30 / $1.20</td> <td>$0.15 / $0.60</td> <td><strong>50%</strong></td> </tr> <tr> <td>GPT-4o Mini</td> <td>$0.15 / $0.60</td> <td>$0.06 / $0.24</td> <td><strong>60%</strong></td> </tr> <tr> <td>Claude 3.5 Haiku</td> <td>$0.80 / $4.00</td> <td>$0.30 / $1.50</td> <td><strong>63%</strong></td> </tr> </tbody> </table></div> <p>Before Celuxe, my monthly AI bill was ~$200. Now it's ~$50. Same models. Same quality.</p> <h2> The 16 Free Dev Tools </h2> <p>While building the API, I realized developers need more than just cheap model access. So I built a <a href="https://celuxe.shop/tools/compare/" rel="noopener noreferrer">free tools suite</a>:</p> <ul> <li> <strong>Model Compare</strong> — side-by-side pricing comparison</li> <li> <strong>Cost Calculator</strong> — estimate your monthly bill before deploying</li> <li> <strong>Playground</strong> — test any model without signing up (3 free trials)</li> <li> <strong>Code Generator</strong> — cURL/Python/Node.js code snippets ready to copy</li> <li> <strong>JSON Formatter</strong>, <strong>Base64</strong>, <strong>UUID Generator</strong>, <strong>Regex Tester</strong>, <strong>Markdown Preview</strong>, and 6 more utilities</li> </ul> <p>All 16 tools are free, no login required.</p> <h2> Tech Stack </h2> <ul> <li> <strong>Backend</strong>: One API (Go) for model routing + load balancing</li> <li> <strong>Frontend</strong>: Static HTML + Tailwind CDN (zero JS framework)</li> <li> <strong>Infrastructure</strong>: US-based VPS, Cloudflare DNS, Nginx reverse proxy</li> <li> <strong>Models</strong>: OpenAI, Anthropic, DeepSeek, Google, MiniMax — all through unified <code>/v1/chat/completions</code> </li> </ul> <h2> What I Learned </h2> <ol> <li> <strong>Static sites scale.</strong> 50+ pages of pure HTML serve faster than any Next.js app</li> <li> <strong>Developer tools are the best SEO.</strong> JSON Formatter alone gets thousands of hits</li> <li> <strong>OpenAI compatibility is table stakes.</strong> If you're not a drop-in replacement, developers won't bother</li> <li> <strong>Transparency converts.</strong> Publishing real comparison data builds trust</li> </ol> <h2> Try It </h2> <p><a href="https://celuxe.shop?ref=devto" rel="noopener noreferrer">Celuxe</a> is live. New users get <strong>500,000 free tokens</strong> — no credit card required.</p> <p>GitHub: <a href="https://github.com/xiaojin/celuxe-sdk" rel="noopener noreferrer">github.com/xiaojin/celuxe-sdk</a></p> <p><em>If you're building with AI APIs, I'd love to hear about your cost challenges in the comments.</em></p> api developers ai saas