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I will build an openai compatible llm gateway with routing and cost tracking
Han Q
About this gig
Give your application one consistent API for multiple language models. I build a Python/FastAPI gateway with OpenAI-compatible chat endpoints and integrations tailored to your existing app.
Basic: connect one provider and deliver a compatible chat endpoint.
Standard: integrate two providers with model routing and streaming.
Premium: add multi-provider routing, usage and estimated cost tracking, database integration and deployment.
Packages include source code and setup guidance. Routing rules, supported endpoints and deployment targets are agreed before work starts. Usage costs depend on provider pricing and are billed separately by your providers. Estimates are not invoices.
Please share your existing application stack, providers and models, expected traffic, hosting environment, and any security or logging requirements before ordering. API keys remain under your control.
Get to know Han Q
Han Q
Senior Flutter and AI Engineer for IoT Apps
- FromChina
- Member sinceMay 2024
Languages
Chinese, English
Senior full-stack engineer with 12 years of experience across native Android, Flutter and AI/LLM apps. I help hardware brands and startups ship polished apps to global markets.
- Flutter apps (iOS, Android, Web) with i18n/RTL and international store releases
- Hardware/IoT companion apps: BLE, serial, NFC/RFID, printers, POS peripherals
- AI integration: chatbots, knowledge-base Q&A, workflow automation, streaming voice
- Python/FastAPI backends
I give weekly progress updates and deliver clean, documented code. Message me before ordering.
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FAQ
Are provider and hosting costs included?
No. Provider API usage and hosting are paid separately by you unless the scope explicitly states otherwise. Cost tracking is an estimate based on available usage data and configured rates.
Will every OpenAI API feature be supported?
The package covers agreed chat endpoints and features. Provider capabilities differ, so we will define supported models, streaming, tools and other features before the order.
Which model providers can be integrated?
Provider support depends on the agreed package and available API adapters. Please share the providers, models and required endpoints before ordering so compatibility and routing can be confirmed.
Is deployment included?
Basic includes setup guidance but no deployment. Standard includes one staging deployment assist; Premium includes one production deployment assist. The buyer pays hosting, domain and provider API charges.
Can you guarantee model output or provider uptime?
No. Model responses may be incorrect and provider outages or rate limits are outside the gateway’s control. Routing and resilience features depend on the agreed scope; usage cost figures are estimates, not invoices.
