DeepSeek LLM integration
that cuts AI costs

We integrate and self-host open-source DeepSeek v3 models that match gpt-class accuracy at a fraction of the cost, with benchmark-first selection and full ownership built in.

Trusted by Fortune-500 brands and ambitious startups across 36 countries
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What changes for you

GPT-class accuracy
at open-source cost

You get GPT-class results on real tasks while cutting per-token spend dramatically.

  • The honest benchmark first

    We take 200 real examples from your actual task distribution and run them through GPT-4o and the OSS candidate. We measure accuracy, hallucination rate, latency and cost per call. We produce a comparison report with a clear recommendation. Sometimes frontier wins; we say so.

  • Same governance as frontier models

    We deploy OSS models with the same eval rigour, the same observability, the same fallback architecture we'd use for GPT-4o. OSS doesn't mean ungoverned. It means your infrastructure, with our production discipline applied.

  • Full IP ownership at handoff

    Model weights, fine-tuning pipeline, eval suite, deployment config - all yours at handoff. Retrain quarterly on new data without engaging us. Serve on your infrastructure without a licence. No dependency on us for ongoing operation.

Where most integrations break

Why DeepSeek pilots miss production cost

Most DeepSeek demos ignore GPU, latency, and ops the costs that decide production.

Who we work with

Built for the AI cost owner

Whoever owns the AI bill: we benchmark accuracy and cost before you commit.

CTO · VP Engineering

We need GPT-4o quality without GPT-4o's per-token cost or vendor lock-in.

We benchmark OSS vs frontier on your actual tasks. If OSS wins on accuracy at lower cost, we build the business case and deploy.
  • Benchmark on your real data before recommending
  • Same eval discipline as frontier deployments
  • Full IP transfer · weights yours at handoff
CFO · Finance Director

Our OpenAI bill grew 340% last year and nobody can tell me why.

Token spend profiling, task distribution analysis, OSS break-even modelling. We show you the number before we start building.
  • Token spend audit · task distribution analysis
  • Break-even model: GPT-4o API vs self-hosted OSS
  • Typically 60-80% cost reduction at scale
CIO · IT Director

Our data sovereignty policy prohibits any US cloud AI API, full stop.

OSS models in your environment. Your country, your cloud, your hardware. Zero external API calls. Your DPO can sign off on the architecture.
  • VPC / sovereign cloud / air-gap deployment options
  • Zero external API calls at any point in the pipeline
  • Data stays in your jurisdiction at all times
CISO · Head of Security

We can't get a vendor risk assessment approved for public LLM APIs.

Zero vendor risk - the model weights are open-source. You hold the weights, you control the serving, you own the audit logs.
  • No vendor subprocessor · no data sharing agreement required
  • You own the model weights and deployment config
  • Full audit trail within your own infrastructure
Head of ML · Chief Data Scientist

We want to fine-tune on our proprietary data to beat general model accuracy.

QLoRA fine-tuning on your domain data, eval harness to prove it beats the base model, retraining pipeline at handoff.
  • QLoRA / LoRA fine-tuning on your proprietary data
  • Eval-proven accuracy before production access
  • Retraining pipeline handed over at end of engagement
VP Engineering

I need to know OSS will actually match our current GPT-4o quality.

We run the benchmark on 200 real examples from your task distribution. You see the accuracy comparison before we propose anything.
  • 200-example benchmark on your real data
  • Accuracy comparison: OSS vs GPT-4o side-by-side
  • We recommend frontier if OSS doesn't pass the eval
Production workflows we've shipped

DeepSeek workflows in daily use

Extraction, classification, and code tasks running on self-hosted DeepSeek every day.

Ecommerce
Finance

Invoice extraction

DeepSeek-V3 · MNPI - no cloud egress · SQL generation for financial queries

↓ 89% inference cost vs GPT-4o
B2B SaaS
Healthcare

Clinical note structuring

Llama 3.1 70B · PHI on-premise required · fine-tuned on clinical notes

↓ 71% inference cost · HIPAA-compliant
Healthcare
Legal

Contract analysis

Llama 3.1 405B · client data sensitivity · complex reasoning on contracts

Within 4% of GPT-4o on contract review eval
Finance
Ecommerce

Product description generation

Mixtral 8x7B · volume: 80k descriptions/day · cost primary constraint

↓ 87% inference cost vs GPT-4o
Legal
Government

Document intelligence

Llama 3.1 70B · data sovereignty requirement · air-gapped deployment

On-premise · zero external API calls
Logistics
Manufacturing

Technical Q&A

DeepSeek-V3 · proprietary technical documentation · well-defined structured task

↓ 82% inference cost · 96% task accuracy
services
SaaS

Code completion

DeepSeek-V3 · coding benchmark within 3-5% of GPT-4o · 10x cheaper at scale

↓ 90% inference cost on coding tasks
Education
Media

Content classification

50M paper chunk vectors. HNSW for high recall. Runs alongside GPU inference cluster.

↓ 85% inference cost at classification volume
Cross
Retail

Sentiment analysis at scale

Fine-tuned Llama · domain-specific accuracy exceeds GPT-4o on retail reviews after fine-tuning

↑ 8pt accuracy vs base GPT-4o on domain eval
The delivery sprint

Oss benchmark to live dashboard

We benchmark open-source against your real data, then ship with cost on a dashboard.

Week 1-2 · Benchmark & decision

OSS vs frontier on your data

Run comparative benchmark: GPT-4o vs OSS candidate on your 200-example task set. Cost model for infrastructure vs API pricing at your projected volume. Clear recommendation with rationale.

Deliverable Benchmark report · cost model · recommendation
Week 2-4 · Deployment & fine-tuning

Deploy + fine-tune if needed

Model deployment on your infrastructure. Fine-tuning on your domain data where benchmark shows closeable gap. Eval harness.

Deliverable Deployed model · fine-tuned variant · eval results
Week 4-7 · Integration & production

API gateway + monitoring

API gateway. Application integration. Cost monitoring. Accuracy alerting. Fallback to frontier model on low-confidence outputs.

Deliverable Production deployment · cost dashboard · fallback configured
Week 7-8 · Hand-off

Full IP transfer

Runbooks. Retraining pipeline. Model version management. On-call docs.

Deliverable Full IP transfer · retraining pipeline · runbooks
STACK-SPECIALIZED

The stack behind self-hosted DeepSeek

The serving, GPU, and routing stack that keeps DeepSeek fast and affordable.

AI & Frontend
Deep integrations.
Maximum performance.
React / Next.js
Angular / Vue.js
HTML5 / CSS3
JavaScript
React Native
Swift / Kotlin
Intelligent interfaces built for modern user interactions.
Backend & AI Systems
Scalable. Secure.
Production-ready.
Node.js / Laravel
Python / FastAPI
Azure DevOps
Docker / Jenkins
AWS / Google Cloud
Microsoft Azure
Secure, scalable architectures powering intelligent systems.
Data & Enterprise Systems
One codebase.
Many platforms.
MongoDB / MySQL
SQLite / SQL Server
WordPress / Magento
Shopify
Vector Databases
AI Retrieval Systems
Reliable data foundations for automation and intelligence.
No vendor lock-in Pause, pivot or stop anytime.
Tailored to your goals Tech that fits your roadmap.
Built for speed & scale Deliver value, faster.
Secure by default Best practices, every time.
AI PRODUCTS, IN PRODUCTION

DeepSeek systems matching gpt accuracy

Live systems hitting GPT-class accuracy on your tasks at a fraction of the cost.

Industry expertise

We've shipped here. Many times over

Deep teams with industry context - not generalists googling compliance acronyms. Each industry below has 30+ shipped projects and a partner who knows the regulator.

Word of mouth

What clients tell their peers.

Real names, real companies, real numbers. Video on the left, written notes on the right - choose whichever feels more honest.

trieval

"They feel like our team — not a vendor."

RH
Ismail Abualsmah
CEO, Trieval
01:18
Repeat client
Although regulations prevented the site's launch, it met all requirements in terms of form and function. Fullestop's project plan charted a clear course to completion. The team's flexible, diverse talent pool enabled them to manage each stage of the project with consistent levels of skill.
Fast turnaround
Weekly demos, no surprises, and they push back when we're wrong. That last part is rare. Cut our cloud bill 47% in the first audit.

News & insights

Check Out the Latest Trends and Tech Discussions

We constantly come up with top-tier resources and breathtaking ideas that would help you stay informed about
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Frequently Asked Questions

The questions every founder asks us.

  1. DeepSeek provides superior performance in coding and reasoning, combined with greater control and clear, predictable cost-efficiency over proprietary alternatives.

  2. DeepSeek demonstrates exceptional performance in technical and logical domains, making it an ideal engine for sophisticated reasoning and multi-step problem solving.

  3. Its powerful logical deduction and reasoning capabilities are used to architect agents for complex tasks like financial analysis and logistics optimization.

  4. It enables the deployment of high-quality chatbots and virtual assistants within your own infrastructure, avoiding high, per-transaction API costs.

  5. Fine-tuning adapts the foundation model using your proprietary data, creating a specialized AI asset that understands unique terminology and processes.

  6. We architect the full-stack solution, from secure private cloud deployment to complex fine-tuning data pipelines, creating a proprietary, optimized asset.

Pick your starting line

Three ways to cut your AI costs with DeepSeek.

OpenAI bill that's no longer sustainable or a new product that needs GPT-level performance at a fraction of the cost we have a low-risk first step for both.