You will get Multi-model AI in your app — Claude, GPT-5.5, Gemini, DeepSeek
Rising Talent
Rising Talent
Project details
Not sure which AI model is right for your use case? Or do you want to route between models based on cost, speed, or capability? I build multi-model AI features with intelligent model selection — so you're not locked into one provider and can switch or balance load as the frontier evolves rapidly.
This is the right integration for teams who want flexibility: run Claude Opus 4.7 for complex reasoning, GPT-5.5 for general multimodal tasks, Gemini 3.1 Pro for multimodal pipelines, DeepSeek-V4-Pro for cost-efficient high-throughput, or Kimi K2.6 for long-context agentic workloads — and fall back between them automatically.
I've integrated all of these model families into production applications and know their differences at the API level: token formats, streaming implementations, tool use schemas, rate limits, and cost profiles.
What I build:
• Unified AI service layer supporting Claude, GPT, Gemini, DeepSeek, and more
• Model routing logic (by cost, speed, capability, user preference)
• Consistent streaming interface across all providers
• Unified tool use and function calling schema
• Fallback and retry logic across providers
• Per-model cost tracking and usage analytics
This is the right integration for teams who want flexibility: run Claude Opus 4.7 for complex reasoning, GPT-5.5 for general multimodal tasks, Gemini 3.1 Pro for multimodal pipelines, DeepSeek-V4-Pro for cost-efficient high-throughput, or Kimi K2.6 for long-context agentic workloads — and fall back between them automatically.
I've integrated all of these model families into production applications and know their differences at the API level: token formats, streaming implementations, tool use schemas, rate limits, and cost profiles.
What I build:
• Unified AI service layer supporting Claude, GPT, Gemini, DeepSeek, and more
• Model routing logic (by cost, speed, capability, user preference)
• Consistent streaming interface across all providers
• Unified tool use and function calling schema
• Fallback and retry logic across providers
• Per-model cost tracking and usage analytics
AI Algorithms
Large Language Model, Multimodal Large Language ModelAI Applications
AI Chatbot, Conversational AI, Natural Language GenerationAI Tools
Azure OpenAIAI Models
ChatGPT, GPT-4, LaMDA, LLaMA, WhisperWhat's included
| Service Tiers |
Starter
$299
|
Standard
$499
|
Advanced
$749
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 7 days |
Number of Revisions | 2 | 3 | 3 |
AI Model Integration | - | - | - |
Batch Normalization | - | - | - |
Database Integration | - | - | - |
Detailed Code Comments | - | - | - |
Image Upscaling | - | - | - |
MLOps | - | - | - |
Model Deployment | - | - | - |
Model Documentation | - | - | - |
Model Monitoring | - | - | - |
Model Testing & Optimization | - | - | - |
Model Tuning | - | - | - |
Natural Language Processing | - | - | - |
NLP Tokenization | - | - | - |
Pre-Training | - | - | - |
Prompt Engineering | - | - | - |
Setup File | - | - | - |
Source Code |
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RM
Robert M.
Mar 21, 2024
Flutter mobile build and ongoing upgrades
Sailesh is one of the best engineers i have ever worked with. He has deep skills across many software engineering practises. We could leave major technical decision making to him, as well as lean on him to lead the build and launch of multiple products.
PV
Pedro V.
Aug 25, 2023
Flutter Mobile App Debugging for App Store Submission
I've troubleshot my Flutter app for some weeks and there were a few different and unexpected bugs. Sailesh was an amazing support throughout this process because he always knew how to solve these niche issues in a matter of hours. It's been a pleasure working with him and I appreciate the communication and relationship established along the way.
PV
Pedro V.
Aug 23, 2023
Flutter: Location Backend Fix
Always a very positive experience working with Sailesh. Very skilled, attentive to detail and great availability.
PV
Pedro V.
Jul 20, 2023
iOS - UI Unresponsiveness Error
Trust is very important when working with someone from Upwork and I am very happy for the relationship I have with Sailesh. For this project, he provided assistance beyond the scope and assisted in providing alternative solutions. Always a pleasure working together
MS
Matthew S.
Jul 11, 2023
Sailesh was a great! He helped us fix some issues with our Android App. From the moment we started chatting I knew he would be good. He was able to understand instructions clearly and provide critical feedback. He was quick in his work and ongoing communication was excellent. Completed the job 100% successfully. Would highly recommend.
About Sailesh
AI Integration Consultant | React Native & Flutter Developer
100%
Job Success
Dhulikhel, Nepal - 4:50 pm local time
I've been the sole mobile/full-stack engineer on products that went from nothing to real users — React Native, Flutter, Expo, Vite, Express, Hono, MongoDB, PostgreSQL — so you're not waiting on five different people to ship one thing.
WHAT I'VE BUILT
→ OneTake — mobile lead for a year. Every pivot, every weekend bug, handled.
→ Solas Compliance — policy-to-rules compliance review for finance and iGaming, with a full audit trail back to source clauses
→ Rayu — an AI nutritionist paired with a wearable, grounded in live health data
→ Palete, Sambad — AI agents running customer operations over WhatsApp and omnichannel inbox
→ Sajilo Sewa — Nepal's home-services marketplace, 50+ services
→ Flexera — connected fitness hardware + app
AI WORK
→ RAG pipelines, eval suites that gate deploys, cost/latency budgets
→ Agents and internal workflows with typed tools, permissions, audit trails
→ OpenAI, Gemini, Claude API integration — production use, not demos
→ Claude Code, Codex — daily use
STACK
→ Mobile: React Native, Expo, Flutter, Dart
→ Web: React, Vite, TypeScript
→ Backend: Express, Hono, Node.js
→ Database: MongoDB, PostgreSQL
→ Cloud: Firebase, AWS, GCP
I reply within 12 hours. Scope is clear? I can usually start the same day.
Drop me a message — glad to take a look at what you're building.
Steps for completing your project
After purchasing the project, send requirements so Sailesh can start the project.
Delivery time starts when Sailesh receives requirements from you.
Sailesh works on your project following the steps below.
Revisions may occur after the delivery date.
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