Openrouter tech stack
Openrouter builds mostly with TypeScript, Python, SQL, JavaScript. Its stack also includes OpenAI, ClickHouse, GCP, BigQuery. LLM is named in 17 of the 29 job postings Openrouter published in the last 12 months (59%). Counted by Alion from the job postings of Openrouter, updated Sep 28, 2026.
What programming languages does Openrouter use?
TypeScript is named in 31% of job postings at Openrouter, followed by Python (21%), SQL (14%), JavaScript (14%).
What frameworks and libraries does Openrouter use?
Next.js is named in 7% of job postings at Openrouter, followed by React.js (7%), LangChain (3%), LlamaIndex (3%).
What databases does Openrouter use?
ClickHouse is named in 17% of job postings at Openrouter, followed by BigQuery (10%), Google BigQuery (10%), PostgreSQL (7%).
BigQuery 
What cloud and platforms does Openrouter use?
OpenAI is named in 52% of job postings at Openrouter, followed by GCP (14%), Postman (10%), Cloudflare (10%).
GCP
4 14%
Postman
3 10%
Cloudflare
3 10%
Vercel
3 10%
AWS
2 7%
Azure
2 7%
Datadog
2 7%
Show all (13)
What developer tools does Openrouter use?
Model Context Protocol is named in 7% of job postings at Openrouter, followed by Claude Code (3%), OpenAI Codex (3%), dbt (3%).
What AI and ML technologies does Openrouter use?
LLM is named in 59% of job postings at Openrouter, followed by ChatGPT (3%).
Which engineering practices does Openrouter ask for?
AI Agents is named in 24% of job postings at Openrouter, followed by Embeddings (14%), LLM Guardrails (10%), Machine Learning (10%).
AI Agents
7 24%
Embeddings
4 14%
Prompt Engineering
3 10%
Function Calling
2 7%
Fine-tuning
2 7%
Show all (21)
What does each Openrouter team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Sales
7 postingsSolutions
3 postingsBackend
3 postingsHow does your stack fit Openrouter?
How much does Openrouter pay by technology?
Median stated pay of the postings that name each technology, against the median of all Openrouter postings with stated pay: $270k across 24 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| LLM | 16 | $270k | 0% |
| OpenAI | 12 | $245k | −9% |
| TypeScript | 9 | $280k | +4% |
| Python | 6 | $250k | −7% |
| ClickHouse | 5 | $285k | +6% |
How is the Openrouter stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Openrouter stack?
Openrouter scores 83 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How common is the Openrouter stack in its industry?
Share of the 494 companies in the same industries, whose stack Alion knows, that use each technology.
Openrouter products in its job postings
Postings at Openrouter name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Openrouter
Questions about the Openrouter tech stack
What programming languages does Openrouter use?
The languages named in Openrouter job postings are TypeScript (31%), Python (21%), SQL (14%), JavaScript (14%), Go (3%), as a share of the 29 postings of the last 12 months.
Does Openrouter use Next.js?
Yes. Next.js is named in 2 of 29 job postings (7%) and required in 2 of them.
What cloud and platforms does Openrouter use?
The cloud and platforms named in Openrouter job postings are OpenAI (15), GCP (4), Postman (3) (postings in brackets).
What skills do you need for a Sales job at Openrouter?
Sales postings at Openrouter most often require OpenAI (7), LLM (2), out of 7 postings in the last 12 months.
Is the Openrouter tech stack changing?
Yes. Function Calling, Tool Use, Model Context Protocol, Datadog first appeared in Openrouter job postings in the last six months.
How modern is the Openrouter tech stack?
Openrouter scores 83 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How does Alion know the Openrouter tech stack?
Alion reads every job posting Openrouter publishes and tags the technologies each one names. The figures on this page count the 29 postings of the last 12 months and were updated on Sep 28, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Openrouter tech stack: 58 technologies from 29 job postings", as of Sep 28, 2026. https://alion.io/company/openrouter-ai/technologies