Top AI Staff Augmentation Services

Index.dev vs SciForce: full comparison for 2026

Quick verdict

Index.dev (4.5/5) edges ahead of SciForce (3.7/5) overall. Index.dev is the better choice for startups that want their money back if the first month doesn't work. SciForce is the stronger option for healthcare data teams buying a monthly NLP or data science team. The right choice depends on your project size, budget, and required tech stack.

Index.dev vs SciForce: head-to-head summary

Criterion Index.dev SciForce
Founded 2019 2015
HQ London, United Kingdom Lviv, Ukraine (office in Tallinn, Estonia)
Team size 30,000+ network 50–99
Rating 4.5 / 5 3.7 / 5
Primary differentiator A refundable 30-day trial on every placement, plus direct hire Medical data science with a multi-year staffing reference
Pricing model Monthly rate per engineer; direct-hire fee; 30-day refundable trial; rates on request Dedicated team billed monthly; rates on request
Min. engagement Not published Not published
Primary tech stack Python, PyTorch, LangChain Python, PyTorch, spaCy
Industries served SaaS, Fintech, E-commerce, AI labs, Healthcare Healthcare, Financial services, Logistics, Agriculture, Education

Index.dev vs SciForce: overview

Index.dev

Index.dev, legally Index Soft Limited, is a London talent platform that its job ads date to 2019. Its buying terms are the clearest of any network here: every placement carries a 30-day trial with a full refund if the match fails. You can contract one engineer, build a dedicated offshore team or hire someone directly. The main pool of more than 30,000 engineers sits in Latin America and Central and Eastern Europe, and a separate AI unit supplies Master's and PhD-level people for fine-tuning and retrieval work. Vetting runs through five stages with human reviewers.

SciForce

SciForce has worked on AI and data science since 2015 from Lviv and Kharkiv, with a representative office in Tallinn and 50 to 99 people. Buyers usually take a dedicated team on monthly terms. A Clutch review from a financial services IT director describes a staffing engagement from 2019 to 2023 in which SciForce sourced and placed engineers and supplied a team of six to ten. Its specialist area is medical data science, including NLP on clinical text.

Services and capabilities: Index.dev vs SciForce

Capability Index.dev SciForce
Full-time dedicated engineers ✓ ✓
Part-time / fractional experts ✗ ✗
Dedicated team ✓ ✓
Trial before commitment ✓ ✗
Published rates ✗ ✗
Direct hire option ✓ ✗
Subscription or output-based pricing ✗ ✗
Nearshore time-zone overlap ✓ ✗
LLM / GenAI engineers ✓ ✗
MLOps ✗ ✗
Computer vision ✗ ✗
Data engineering ✗ ✓

Tech stack comparison: Index.dev vs SciForce

Framework / platform Index.dev SciForce
PyTorch ✓ ✓
TensorFlow N/A N/A
LangChain ✓ N/A
Hugging Face ✓ ✓
OpenAI ✓ N/A
AWS ✓ ✓
Azure N/A N/A
Google Cloud ✓ N/A
Databricks N/A N/A
Kubernetes N/A N/A

Pricing comparison: Index.dev vs SciForce

Criterion Index.dev SciForce
Minimum engagement Not published Not published
Engagement models Full-time dedicated, Dedicated team, Direct hire, Trial period Full-time dedicated, Dedicated team, Project delivery
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Index.dev vs SciForce

Dimension Index.dev SciForce
Best company size Startup to mid-market Startup to mid-market
Best industries SaaS, Fintech, E-commerce Healthcare, Financial services, Logistics
Best use cases Trialling a Latin American LLM engineer for a month, Hiring a PhD-level specialist to fine-tune a model Buying a monthly clinical NLP team, Adding data scientists to a logistics project
Typical project type Full-time dedicated Full-time dedicated

Index.dev vs SciForce: pros and cons

Index.dev
+ A full refund in the first 30 days lowers the cost of a bad match
+ Contract and direct-hire routes from one provider
+ Talent in both U.S.-friendly and European time zones
- Engineers are network members, not employees
- Acceptance-rate figures are the company's own
- No published monthly rates
SciForce
+ Four-year staffing engagement rated 5.0 on Clutch
+ Medical NLP experience
+ Lower cost base
- Small team
- Staffing evidence rests mainly on one review
- Wartime continuity risk

Who should choose Index.dev?

A typical fit: trialling a Latin American LLM engineer for a month.

A refundable 30-day trial on every placement, plus direct hire. Minimum engagement is not publicly disclosed. Works best with clients in SaaS, Fintech, E-commerce, AI labs, Healthcare.

Who should choose SciForce?

A typical fit: buying a monthly clinical NLP team.

Medical data science with a multi-year staffing reference. Minimum engagement is not publicly disclosed. Works best with clients in Healthcare, Financial services, Logistics, Agriculture, Education.

Decision matrix: Index.dev vs SciForce

Your situation Recommended choice
You want one engineer full-time on a monthly contract Both; Index.dev rates higher overall
You only need a specialist a few days a week Neither advertises part-time experts; ask about reduced hours
You want to test an engineer before committing Index.dev
You need a rate before the first call Neither publishes rates; ask both for a written rate card
Your budget is at the lower end Compare: Index.dev (Not published) vs SciForce (Not published)
You may want to hire the engineer permanently later Index.dev
You want several engineers working as one team SciForce

Use case fit: Index.dev vs SciForce

Use case Index.dev fit SciForce fit Winner
Trialling a Latin American LLM engineer for a month Strong Limited Index.dev
Hiring a PhD-level specialist to fine-tune a model Strong Limited Index.dev
Buying a monthly clinical NLP team Limited Strong SciForce
Adding data scientists to a logistics project Limited Strong SciForce

Verdict: Index.dev vs SciForce

Index.dev (4.5/5) is the stronger overall choice for most AI Staff Augmentation projects. A refundable 30-day trial on every placement, plus direct hire.

SciForce (3.7/5) is worth a look if you need adding data scientists to a logistics project. If your situation matches that, SciForce is a competitive option.

Related comparisons

Index.dev vs SciForce FAQ

Is Index.dev better than SciForce?

Index.dev (4.5/5) scores higher overall, but "better" depends on your use case. Index.dev's strongest advantage: a full refund in the first 30 days lowers the cost of a bad match. SciForce's strongest advantage: four-year staffing engagement rated 5.0 on Clutch.

How do Index.dev and SciForce differ in pricing?

Index.dev uses monthly rate per engineer; direct-hire fee; 30-day refundable trial; rates on request pricing. SciForce uses dedicated team billed monthly; rates on request pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Index.dev or SciForce?

Index.dev is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each provider before shortlisting.

What are the main differences between Index.dev and SciForce?

Index.dev's primary differentiator is: a refundable 30-day trial on every placement, plus direct hire. SciForce's primary differentiator is: medical data science with a multi-year staffing reference. They also differ in team size (30,000+ network vs 50–99), minimum engagement (Not published vs Not published), and primary industries served (SaaS, Fintech vs Healthcare, Financial services).

Verify all details directly with each provider before making a decision.